This webpage is under RECONSTRUCTION. Meantime, please note that most of the PDFs, which include high resolution figures, are available from the UKnowledge university online repository.

Publications

Chulaee, Y., Heins, G., Robinson, B., Mohammadi, A., Thiele, M., Patterson, D., and Ionel, D. M., “Design and Optimization of High-Efficiency Coreless PCB Stator Axial Flux PM Machines With Minimal Eddy and Circulating Current Losses,” IEEE Transactions on Industry Applications, Vol. 60, No. 6, doi: 10.1109/TIA.2024.3447620, pp. 8722-8735 (2024) pdf
Alden, R., McCulloch, M., and Ionel, D. M., "Solar PV and EV Controls for Reactive Power Support on Large Distribution Systems Modeled with Experimental and Synthetic Loads", Proceedings, IEEE ECCE, Phoenix, AZ, 6p (Oct 2024) pdf
Badewa, O. A., and Ionel, D. M., "Analysis and Design of Synchronous Machines with Reluctance Rotor and PM Stator Combined Excitation", Proceedings, IEEE ECCE, Phoenix, AZ, 6p (Oct 2024) pdf
Badewa, O. A., Mohammadi, A., Lewis, D. D., and Ionel, D. M., "Optimal Design and Comparison of Synchronous Machines with Inner and Outer Reluctance Rotors and PM or DC Stator Combined Excitation", Proceedings, IEEE ECCE, Phoenix, AZ, 5p (Oct 2024) pdf
Lewis, D. D., Stewart, D. R., Vatani, M., Badewa, O. A., Mohammadi, A., and Ionel, D. M., “Fault-Tolerant Topologies with Halbach Array and PM-Free Multi-Stage Multi-Module Electric Machines for Electric Aircraft Propulsion,” Proceedings, IEEE ECCE, Phoenix, AZ, 5p (Oct 2024) pdf
Lewis, D. D., Gastineau, L., Onar, O., McCulloch, M., Eastham, J. F., and Ionel, D. M., “Design of High-Power Polyphase PCB Systems for Wireless Power Transfer,” Proceedings, IEEE ECCE, Phoenix, AZ, 6p (Oct 2024) pdf
Mohammadi, A., Badewa, O. A., Chulaee, Y., and Ionel, D. M., "Two-level Design Optimization of AC Machines with DC Stator Excitation and Minimal Torque Ripple using Reluctance Rotor Profile Shaping", Proceedings, IEEE ECCE, Phoenix, AZ, 6p (Oct 2024) pdf
Notash, F. Y., Vatani, M., He, J., and Ionel, D. M., "Model Predictive Control of 5L-ANPC Inverter Fed Coreless AFPM Motor with Mitigated CMV in Electric Aircraft Propulsion," Proceedings, IEEE Energy Conversion Congress & Expo (ECCE), Phoenix, AZ, 8p (Oct 2024) pdf
Poore, S. B., Alden, R. E., Rooney, T., and Ionel, D. M., "New Loads and Service Factors for Distribution Transformers Following the Transition to High-Efficiency Heat Pumps, Solar PV, and EV Charging," Proceedings, IEEE ECCE, Phoenix, AZ, 6p (Oct 2024) pdf
Vatani, M., Chulaee, Y., Eastham, J.F., and Ionel, D. M., "Analytical and FE Modeling for the Design of Coreless Axial Flux Machines with Halbach Array and Surface PM Rotors," Proceedings, IEEE Energy Conversion Congress & Expo (ECCE), Phoenix, AZ, 7p (Oct 2024) pdf
Vatani, M., Eastham, J.F., and Ionel, D. M., " Multi-Disk Coreless Axial Flux Permanent Magnet Synchronous Motors with Surface PM and Halbach Array Rotors for Electric Aircraft Propulsion," Proceedings, IEEE Energy Conversion Congress & Expo (ECCE), Phoenix, AZ, 7p (Oct 2024) pdf
Vatani, M., Chulaee, Y., Eastham, J.F., Pei, X., and Ionel, D. M., "Multi-Wound Axial Flux Generators with Halbach Array Rotors," Proceedings, IEEE Energy Conversion Congress & Expo (ECCE), Phoenix, AZ, 6p (Oct 2024) pdf
Mohammadi, A., Badewa, O. A., Chulaee, Y., Lewis, D. D., Essakiappan, S., Manjrekar, M. D., and Ionel, D. M., “Design Optimization of a Direct-Drive Wind Generator with a Reluctance Rotor and a Flux Intensifying Stator Using Different PM Types,” IEEE Transactions on Industry Applications, Vol. 60, No. 4, doi:10.1109/TIA.2024.3396792, pp. 6113-6123 (2024) pdf
Mohammadi, A., Chulaee, Y., Cramer, A. M., Boldea, I. G., and Ionel, D. M., "Large-scale Design Optimization of an Axial-flux Vernier Machine with Dual Stator and Spoke PM Rotor for EV In-wheel Traction," IEEE Transactions on Transportation Electrification, Vol. 10, doi:10.1109/TTE.2024.3423713, 13p (2024) pdf
Chulaee, Y. and Ionel, D. M., “Ultra‐fast Finite Element Analysis of Coreless Axial Flux Permanent Magnet Synchronous Machines,” IET Electric Power Applications, doi: 10.1049/elp2.12439, 14p (2024) pdf
Badewa, O. A., and Ionel, D. M., "Comparative Analysis of Motors with Inner and Outer Reluctance Rotors and PM Stators", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, doi: 10.1109/ITEC60657.2024.10599010, 6p (Jun 2024) pdf
Chulaee, Y., Mohammadi, A., Cramer, A. M., and Ionel, D. M., "Sensorless Control of Low Inductance Coreless AFPM Machines for Fault-tolerant Operation of Propulsion Systems," Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, 5p (Jun 2024) pdf
Chulaee, Y., Mohammadi, A., Vatani, M., and Ionel, D. M., "Fault-tolerant Axial Flux Coreless PM Machines with Independent Phase Modules", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, 5p (Jun 2024) pdf
Lewis, D. D., Onar, O., Gastineau, L., Eastham, J. F., and Ionel, D. M., "High-Power Polyphase PCB-Type Inductive Coupler for Wireless Electric Vehicle Charging," Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, doi:10.1109/ITEC60657.2024.10598983, 6p (Jun 2024) pdf
Mohammadi, A., Cramer, A. M., and Ionel, D. M., "Comparative Analysis of Vernier Machines with Spoke, Surface Mounted, and Halbach PM Rotors for In-wheel Traction", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, 6p (Jun 2024) pdf
Poore, S., Alden, R., and Ionel, D. M., "Coordinated Controls of Residential EV Chargers Considering High Power Appliances,” Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, 5p (Jun 2024) pdf
Vatani, M., Chulaee, Y., Mohammadi, A., Stewart, D. R., Eastham, J.F., and Ionel, D. M., "On the Optimal Design of Coreless AFPM Machines with Halbach Array Rotors for Electric Aircraft Propulsion," Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Rosemont, IL, 5p (Jun 2024) pdf
Alden, R. E., and Ionel, D. M., “Combined Experimental and Synthetic Data with Example Simulations on Large-Scale Distribution Test Feeders for Power Quality Analysis”, Poster, IEEE T&D 2024, Anaheim, CA, 1p (May 2024) pdf
Kyeremeh, K. A., Alden, R. E., and Ionel, D. M., “Impact of EV Fast DC Charging on Large Electric Power Distribution Systems”, Poster, IEEE T&D 2024, Anaheim, CA, 1p (May 2024) pdf
Lewis, D. D., and Ionel, D. M., “Dynamic Wireless V2X Opportunities for Future Power Distribution Systems”, Poster, IEEE T&D 2024, Anaheim, CA, 1p (May 2024) pdf
Poore, S., and Ionel, D. M., “Virtual Power Plant Control of Heat Pump Water Heaters and EVs on Distribution Feeders with Thousands of Residential Loads”, Poster, IEEE T&D 2024, Anaheim, CA, 1p (May 2024) pdf
Goli, C. S., Kesgin, M. G., Han, P., Ionel, D. M., Essakiappan, S., Gafford, J., and Manjrekar, M. D., “Analysis and Design of an Electric Machine Employing a Special Stator with Phase Winding Modules and PMs and a Reluctance Rotor,” IEEE Access, Vol.12, doi:10.1109/ACCESS.2024.3353041, pp. 9621-9631 (2024) pdf
Poore, S., Alden, R., Jones, E., and Ionel, D. M., "Distribution System Optimal Operation of Smart Homes with Battery and Equivalent HVAC Energy Storage for Virtual Power Plant Controls", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362535, 6p (Oct 2023) pdf
Mohammadi, A., Chulaee, Y., Cramer, A. M., Boldea, I., and Ionel, D. M., "Parameter Identification, Non-linearity, and Harmonic Effects in a Vernier Machine of the MAGNUS Type", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362809, 6p (Oct 2023) pdf
Lewis, D. D., Badewa, O. A., Onar, O., Mohammad, M., Eastham, J. F., and Ionel, D. M., "Overview of Electrically Conductive and Active Shielding for Wireless Power Transfer with a Polyphase Wireless Electric Vehicle Charging Study", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362692, 6p (Oct 2023) pdf
Goli, C. S., Essakiappan, S., Ionel, D. M., Gafford, J., and Manjrekar, M. D., "Analysis of Mechanically Doubly Salient Electric Machine using FE and Lumped Parameter Magnetic Equivalent Circuit Models", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362390, 6p (Oct 2023)
Chulaee, Y., Mohammadi, A., Cramer, A., and Ionel, D. M., "Flexible Control for Wide Speed Range Operation of High Polarity Stator Coreless AFPM Machines with WBG Semiconductor Devices", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362842, 6p (Oct 2023) pdf
Chulaee, Y., Heins, G., Robinson, B., Thiele, M., Patterson, D., and Ionel, D. M., "Design Optimization Considering a Detailed PCB Stator Layout for Coreless AFPM Machines with Minimal Eddy and Circulating Current Losses", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362072, 6p (Oct 2023) pdf
Badewa, O. A., Mohammadi, A., Ionel, D. M., Essakiappan, S., and Manjrekar, M., "Electric Vehicle Traction Motor with a Reluctance Outer Rotor and a Modular Stator with AC Concentrated Toroidal Windings and PM or DC Wave Winding Excitation", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362185, 6p (Oct 2023) pdf
Alden, R., Lewis, D., and Ionel, D. M., "Overview of HIL Co-simulation for Very Large Distribution Systems and Power Electronic Converters with a DC Fast Charging EV Benchmark Study on an IEEE Test Feeder", Proceedings, IEEE ECCE, Nashville, TN, doi:10.1109/ECCE53617.2023.10362436, 6p (Oct 2023) pdf
Alden, R. E., Halloran, C., Lewis, D. D., Ionel, D. M., and McCulloch, M., "Assessment of Land and Renewable Energy Resource Potential for Regional Power System Integration with ML Spatio-temporal Clustering", Proceedings, IEEE International Conference on Renewable Energy Research and Applications (ICRERA), Oshawa, Ontario, CA, doi:10.1109/ICRERA59003.2023.10269363, 7p (Aug 2023) pdf
Lewis, D. D., Badewa, O. A., Mohammadi, A., Vatani, M., and Ionel, D. M., "Fault Tolerant Electric Machine Concept for Aircraft Propulsion with PM Rotor and DC Current Stator Dual-Stage Excitation", Proceedings, IEEE International Conference on Renewable Energy Research and Applications (ICRERA), Oshawa, Ontario, CA, doi:10.1109/ICRERA59003.2023.10269383, 5p (Aug 2023) pdf
Vatani, M., Mohammadi, A., Lewis, D., Eastham, J. F., and Ionel, D. M., "Coreless Axial Flux Halbach Array Permanent Magnet Generator Concept for Direct-Drive Wind Turbine", Proceedings, IEEE International Conference on Renewable Energy Research and Applications (ICRERA), Oshawa, Ontario, CA, doi:10.1109/ICRERA59003.2023.10269322, 6p (Aug 2023) pdf
Mohammadi, A., Chulaee, Y., Cramer, A. M., Boldea, I., and Ionel, D. M., "Axial Flux Permanent Magnet Vernier Machine with Single-wound Dual-stator and Spoke Permanent Magnet Rotor for Electric Vehicle In-wheel Traction", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Detroit, MI, doi:10.1109/ITEC55900.2023.10187109, 5p (Jun 2023) pdf
Lewis, D. D., Onar, O., Galigekere, V. P., Mohammad, M., and Ionel, D. M., "Optimal Power Sharing Speed Compensation in On-road Wireless EV Charging Systems," Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Detroit, MI, doi:10.1109/ITEC55900.2023.10186946, 5p (Jun 2023) pdf
Goli, C. S., Essakiappan, S., Ionel, D. M., Gafford, J., and Manjrekar, M. D., "Complex Vector Current Regulation Strategy for a High-Speed Doubly Salient Machine with Stator PMs", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Detroit, MI, doi:10.1109/ITEC55900.2023.10186990, 7p (Jun 2023)
Badewa, O. A., Mohammadi, A., Lewis, D., Ionel, D. M., Essakiappan, S., and Manjrekar, M., "Optimization of an Electric Vehicle Traction Motor with a PM Flux Intensifying Stator and a Reluctance Outer Rotor", Proceedings, IEEE Transportation Electrification Conference & Expo (ITEC), Detroit, MI, doi:10.1109/ITEC55900.2023.10186958, 6p (Jun 2023) pdf
Alden, R. E., Timilsina, A., Silvestri, S., and Ionel, D. M., “V2G Optimization for Dispatchable Residential Load Operation and Minimal Utility Cost”, IEEE Transportation Electrification Conference & Expo (ITEC), Detroit, MI, doi:10.1109/ITEC55900.2023.10186955, 4p (Jun 2023) pdf
Alden, R. E., Gong, H., Rooney, T., Branecky, B., and Ionel, D. M., "Electric Water Heater Modeling for Large-scale Distribution Power Systems Studies with Energy Storage CTA-2045 based VPP and CVR," Energies, Vol. 16, No. 12, 4747, doi:10.3390/en16124747, 21p (2023) pdf
Jones, E. S., Alden, R. E., Gong, H., and Ionel, D. M., "Co-Simulation of Electric Power Distribution Systems and Buildings including Ultra-Fast HVAC Models and Optimal DER Control," Sustainability, Vol. 15, No. 12, 9433, doi:10.3390/su15129433, 20p (2023) pdf
Chulaee, Y., Lewis, D., Vatani, M., Eastham, J. F., and Ionel, D. M., "Torque and Power Capabilities of Coreless Axial Flux Machines with Surface PMs and Halbach Array Rotors", Proceedings, IEEE IEMDC, San Francisco, CA, doi:10.1109/IEMDC55163.2023.10239021, 6p (May 2023) pdf
Mohammadi, A., Badewa, O. A., Chulaee, Y., Ionel, D. M., Essakiappan, S., and Manjrekar, M., "Design Optimization of a Direct-drive Wind Generator with Non-rare-earth PM Flux Intensifying Stator and Reluctance Rotor", Proceedings, IEEE IEMDC, San Francisco, CA, 6p (May 2023) pdf
Rallabandi, V., Badewa, O. A., Ozpineci, B., and Ionel, D. M., "A Comparison of Outer Rotor Radial and Axial Flux Machines for Application in Electric Vehicles", Proceedings, IEEE IEMDC, San Francisco, CA, doi:10.1109/IEMDC55163.2023.10239014, 5p (May 2023)
Goli, C.S., Salehi, M., Essakiappan, S., Manjrekar, M., Ionel, D.M., and Gafford, J., "Comparative Analysis of Doubly Salient Special Machine and Flux Switching Machine with PMs in Stator", Proceedings, IEEE IEMDC, San Francisco, CA, doi:10.1109/IEMDC55163.2023.10239064 (May 2023)
Chulaee, Y., Lewis, D., Mohammadi, A., Heins, G., Patterson, D., and Ionel, D.M., "Circulating and Eddy Current Losses in Coreless Axial Flux PM Machine Stators with PCB Windings", IEEE Transactions on Industry Applications, Vol. 59, No. 4, doi: 10.1109/TIA.2023.3267026, pp. 4010-4020 (2023) pdf
Lewis, D. D., Patrick, A., Jones, E. S., Alden, R. E., Hadi, A., McCulloch, M. D., and Ionel, D. M., "Decarbonization Analysis for Thermal Generation and Regionally Integrated Large-Scale Renewables Based on Minutely Optimal Dispatch with a Kentucky Case Study," Energies, Vol. 16, No. 4, 1999, doi:10.3390/en16041999, 23p (2023) pdf
Jones, E. S., Jewell, N., Liao, Y., and Ionel, D. M., "Optimal Capacitor Placement and Rating for Large-Scale Utility Power Distribution Systems Employing Load-Tap-Changing Transformer Control," IEEE Access, Vol.11, doi: 10.1109/ACCESS.2023.3244572, pp. 19324-19338 (2023) pdf
Gong, H., Jones, E. S., Jakaria, A. H. M., Huque, A., Renjit, A., and Ionel, D. M., "Large-Scale Modeling and DR Control of Electric Water Heaters with Energy Star and CTA-2045 Control Types in Distribution Power Systems," IEEE Transactions on Industry Applications, Vol. 58, No. 4, doi: 10.1109/TIA.2022.3178066, pp. 5136-5147 (2022) pdf
Goli, C. S., Essakiappan, S., Gafford, J., Ionel, D. M., Manjrekar, M., and Shah, N., "Modeling and Speed Control for a Doubly-Salient Special Machine Employing a High-Fidelity Plant Model," 2022 IEEE Vehicle Power and Propulsion Conference (VPPC), Merced, CA, 2022, doi: 10.1109/VPPC55846.2022.10003271, 8p (Nov 2022)
Mohammadi, A., Badewa, O. A., Chulaee, Y., Ionel, D. M., Essakiappan, S., and Manjrekar, M., "Direct-Drive Wind Generator Concept with Non-Rare-Earth PM Flux Intensifying Stator and Reluctance Outer Rotor", Proceedings, IEEE ICRERA, Istanbul, TR, doi: 10.1109/ICRERA55966.2022.9922808, pp. 582-587 (Sep 2022) pdf
Poore, S. B., Alden, R. E., Gong, H., and Ionel, D. M., “Multi-Physics and Artificial Intelligence Models for Digital Twin Implementations of Residential Electric Loads”, Proceedings, IEEE ICRERA, Istanbul, TR, doi: 10.1109/ICRERA55966.2022.9922831, pp. 576-581 (Sep 2022) pdf
Alden, R. E., Jones, E. S., Poore, S., Gong, H., Hadi, A. and Ionel, D. M., “Digital Twin for HVAC Load and Energy Storage based on a Hybrid ML Model with CTA-2045 Controls Capability”, Proceedings, IEEE ECCE 2022, Detroit, MI, doi: 10.1109/ECCE50734.2022.9948141, 5p (Oct 2022) pdf
Chulaee, Y., Lewis, D., Heins, G., Patterson, D., and Ionel, D. M., “Winding Losses in Coreless Axial Flux PM Machines with Wave and Spiral PCB Stator Topologies”, Proceedings, IEEE ECCE 2022, Detroit, MI, doi: 10.1109/ECCE50734.2022.9947897, 6p (Oct 2022) pdf
Jones, E. S., Alden, R. E., Gong, H., Hadi, A., and Ionel, D. M., “Co-simulation of Smart Grids and Homes including Ultra-fast HVAC Models with CTA-2045 Control and Consideration of Thermal Comfort”, Proceedings, IEEE ECCE 2022, Detroit, MI, doi: 10.1109/ECCE50734.2022.9948200, 6p (Oct 2022) pdf
Zhang, Y., Liao, Y., Jones, E., Jewell, N., and Ionel, D.M., "ZIP Load Modeling for Single and Aggregate Loads and CVR Factor Estimation," International Journal of Emerging Electric Power Systems, Vol. 23, No. 6, doi: 10.1515/ijeeps-2022-0052, pp. 839-858 (2022)
Poore, S., Alden, R. E., Hadi, A., and Ionel, D. M., "Residential Load and Building Temperature Dynamic Models for DR and VPP Studies", Poster, IEEE PES GM 2022, Denver, CO, 1p (Jul 2022) pdf
Lewis, D., and Ionel, D.M., "Electric Vehicle Dynamic Wireless Charging Load Profile and System Sizing for Highways", Poster, IEEE PES GM 2022, Denver, CO, 1p (Jul 2022) pdf
Jones, E. S., Jewell, N., and Ionel, D. M., "Optimal Capacitor Planning for Large-Scale Electric Utility Distribution System", Poster, IEEE PES GM 2022, Denver, CO, 1p (Jul 2022) pdf
Alden, R. E., Gong, H., and Ionel, D.M., "Community EV-based Large Energy Storage Capacity Assessment for VPP Services", Poster, IEEE GM 2022, Denver, CO, 1p (Apr 2022) pdf
Gong, H., Alden, R. E., and Ionel, D. M., “Stochastic Battery SOC Model of EV Community for V2G Operations Using CTA-2045 Standards”, Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Anaheim, CA, doi: 10.1109/ITEC53557.2022.9813889, pp. 1144-1147 (Jun 2022) pdf
Lewis, D. D., Gong, H., Erhardt, G., Zeng, R., Onar, O., Galigekere, V. P., Ozpineci, B., and Ionel, D. M., " Sizing Considerations for EV Dynamic Wireless Charging Systems with Integrated Energy Storage," Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Anaheim, CA, doi: 10.1109/ITEC53557.2022.9813893, pp. 611-616 (Jun 2022) pdf
Yadav, G., Liao, Y., Jewell, N., and Ionel, D. M., “CVR Study and Active Power Loss Estimation Based on Analytical and ANN Method,” Energies, Vol. 15, 4689, doi: 10.3390/en15134689, 19p (2022)
Gong, H., Alden, R. E., Patrick, A., and Ionel, D. M., “Forecast of Community Total Electric Load and HVAC Component Disaggregation through a New LSTM-Based Method,” Energies, Vol. 15, No. 9, 2974, doi: 10.3390/en15092974, 17p (2022) pdf
Alden, R. E., and Ionel, D. M., “Simulation of Smart Home Loads for Large Scale DR and VPP Studies using Synthetic Data from Hybrid ML Black Box Models,” Poster, IEEE T&D 2022, New Orleans, LA, 1p (Apr 2022) pdf
Gong, H., and Ionel, D. M., “Distribution Power System Level DR and Detailed Modeling for Electric Water Heaters with CTA-2045 Controls,” Poster, IEEE T&D 2022, New Orleans, LA, 1p (Apr 2022) pdf
Jones, E. S., Hadi, A., and Ionel, D. M., “Co-simulation Framework for Smart Homes and Grids employing an Ultra-fast HVAC and Building Model for VPP Control”, Poster, IEEE T&D 2022, New Orleans, LA, 1p (Apr 2022) pdf
Lewis, D. D., and Ionel, D. M., “Grid Impact Studies for Dynamic Wireless Charging of Moving Electric Vehicles,” Poster, IEEE T&D 2022, New Orleans, LA, 1p (Apr 2022) pdf
Gong, H., Jones, E. S., Alden, R. E., Frye, A. G., Colliver, D., and Ionel, D. M., “Virtual Power Plant Control for Large Residential Communities using HVAC Systems for Energy Storage,” IEEE Transactions on Industry Applications, Vol. 58, No. 1, doi: 10.1109/TIA.2021.3120971, pp. 622-633 (2022) pdf
Taran, N., Klink, D., Heins, G., Rallabandi, V., Patterson, D. and Ionel, D. M., "A Comparative Study of Yokeless and Segmented Armature versus Single Sided Axial Flux PM Machine Topologies for Electric Traction," IEEE Transactions on Industry Applications, Vol. 58, No. 1, doi: 10.1109/TIA.2021.3131427, pp. 325-335 (2022) pdf
Alden, R. E., Gong, H., Jones., E. S., Ababei, C., and Ionel, D. M, “Artificial Intelligence Method for the Forecast and Separation of Total and HVAC Loads with Application to Energy Management of Smart and NZE Homes,” IEEE Access, Vol. 9, doi:10.1109/ACCESS.2021.3129172, pp. 160497-160509 (2021) pdf
Gong, H., Rooney, T., Akeyo, O. M., Branecky, B., and Ionel, D. M., “Equivalent Electric and Heat-pump Water Heater Models for Aggregated Community-level Demand Response Virtual Power Plant Controls,” IEEE Access, Vol. 9, doi:10.1109/ACCESS.2021.3119581, pp.141233-141244 (2021) pdf
Han, P., Zhang, Y., Kesgin, M. G., Heins, G., Patterson, D., Thiele, M., and Ionel, D.M., “Modeling of Bearing Voltage in Electric Machines Based on Electromagnetic FEA and Measured Bearing Capacitance,” IEEE Transactions on Industry Applications, Vol. 57, No. 5,doi: 10.1109/TIA.2021.3092700, pp. 4765-4775, (Oct.2021) pdf
Han, P., Kesgin, M. G., Ionel, D. M., Gosalia, R., Shah, N., Flynn, J. F., Goli, C. S., Essakiappan, S., and Manjrekar, M. “Design Optimization of a Very High Power Density Motor with a Reluctance Rotor and a Modular Stator Having PMs and Toroidal Windings,” Proceedings, IEEE ECCE 2021, Vancouver, Canada, doi:10.1109/ECCE47101.2021.9595129, pp. 4424-4430 (Oct 2021) pdf
Gong, H., Jones, E. S., Jakaria, A. H. M., Huque, A., Renjit, A., and Ionel, D. M., “Generalized Energy Storage Model-In-the-Loop Suitable for Energy Star and CTA-2045 Control Types,” Proceedings, IEEE ECCE 2021, Vancouver, Canada, doi: 10.1109/ECCE47101.2021.9595892, pp. 814-818 (Oct 2021) pdf
Han, P., Lawhorn, D., Chulaee, Y., Lewis, D., Heins, G., and Ionel, D. M., “Design Optimization and Experimental Study of Coreless Axial-flux PM Machine with Wave Winding PCB Stator,” Proceedings, IEEE ECCE 2021, Vancouver, Canada, doi: 10.1109/ECCE47101.2021.9595963, pp. 4347-4352 (Oct 2021) pdf
Han, P., Zhang, Y., Kesgin, M. G., Heins, G., Patterson, D., Thiele, M., and Ionel, D.M., “On the Modeling of Bearing Voltage and Current in PWM Converter-fed Electric Machines Using Electromagnetic Finite Element Analysis,” Proceedings, IEEE ECCE 2021, Vancouver, Canada, pp. 4606-4610 (Oct 2021) pdf
Anderson, H., Hadi, A., Jones, E. S., and Ionel, D. M., "Power Factor and Reactive Power in US Residences - Survey and EnergyPlus Modeling," Proceedings, IEEE ICRERA 2021, doi: 10.1109/ICRERA52334.2021.9598561, pp. 418-422 (Sep 2021) pdf
Gong, H., and Ionel, D. M., "Improving the Power Outage Resilience of Buildings with Solar PV through the Use of Battery Systems and EV Energy Storage," Energies, Vol. 14, No. 18, 5749, doi: 10.3390/en14185749, 16p (2021) pdf
Gong, H., Akeyo, O. M., Rooney, T., Branecky, B., and Ionel, D. M., "Aggregated Generic Load Curve for Residential Electric Water Heaters," Proceedings, IEEE PESGM 2021, Virtual Event, doi:10.1109/PESGM46819.2021.9638032, 5p (Jul 2021) pdf
Alden, R. E., Ababei, C., and Ionel, D. M., “Artificial Intelligence-based Short-term Electric Load Forecasts for Experimental Smart Homes including HVAC, EWH, and PV Components,” Poster, IEEE PESGM 2021, Virtual Event, 1p (Jul 2021) pdf
Jones, E. S., and Ionel, D. M., “Co-simulation of Electric Power Distributions and Buildings with EnergyPlus and OpenDSS,” Poster, IEEE PESGM 2021, Virtual Event, 1p (Jul 2021) pdf
Bankes, G., Akeyo, O. M., and Ionel, D. M., “Large-Scale Solar PV and Battery Energy Storage Model Study on a Proposed Benchmark Transmission System,” Poster, IEEE PESGM 2021, Virtual Event, 1p (Jul 2021) pdf
Gong, H., Alden, R. E., and Ionel, D. M., “Home Energy Management System for Coordinated PV and HVAC Controls based on AI Forecasting,” Poster, IEEE PESGM 2021, Virtual Event, 1p (Jul 2021) pdf
Lawhorn, D., Han, P., Lewis, D., Chulaee, Y., and Ionel, D. M., “On the Design of Coreless Permanent Magnet Machines for Electric Aircraft Propulsion,” Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Online, doi: 10.1109/ITEC51675.2021.9490162, pp. 278-283 (Jun 2021) pdf
Gong, H., and Ionel, D. M., “Combined Use of EV Batteries and PV Systems for Improving Building Resilience to Blackouts,” Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Online, doi:10.1109/ITEC51675.2021.9490056, pp. 584-587 (Jun 2021) pdf
Kesgin, M. G., Han, P., Lawhorn, D., and Ionel, D. M., "Analysis of Torque Production in Axial-flux Vernier PM Machines of the MAGNUS Type" Proceedings, IEEE IEMDC 2021, Hartford, CT, doi:10.1109/IEMDC47953.2021.9449556, 5p (May 2021) pdf
Zhang, Y., Lawhorn, D. L., Han, P., and Ionel, D. M., “Integrated AC to AC Converters for Single-phase Input to Two-phase Output Motor Drives,” Proceedings, IEEE IEMDC 2021, Hartford, CT, doi:10.1109/IEMDC47953.2021.9449490, 5p (May 2021) pdf
Han, P., Heins, G., Zhang, Y., and Ionel, D.M., “Integrated Modular Motor Drives Based on Multiphase Axial-flux PM Machines with Fractional-slot Concentrated Windings,” Proceedings, IEEE IEMDC 2021, Hartford, CT, doi:10.1109/IEMDC47953.2021.9449608, 6p (May 2021) pdf
Zhang, Y., Liao, Y., Jones, E., Jewell, N., and Ionel, D. M., "Kalman Filter Based Approach for ZIP Load Modeling for Aggregate Loads," 2021 IEEE Kansas Power and Energy Conference (KPEC), Manhattan, KS, doi: 10.1109/KPEC51835.2021.9446202, 6p (Apr 2021)
Lawhorn, D., Rallabandi, V., and Ionel, D. M., "Multi-objective Optimization for Aircraft Power Systems using a Network Graph Representation," IEEE Transactions on Transportation Electrification, Vol. 7, No. 4, doi: 10.1109/TTE.2021.3066123., pp. 3021-3031 (2021) pdf
Gong, H., Rallabandi, V., McIntyre, M. L., Hossain, E., and Ionel, D. M., “Peak Reduction and Long Term Load Forecasting for Large Residential Communities including Smart Homes with Energy Storage,” IEEE Access, Vol. 9, doi: 10.1109/ACCESS.2021.3052994, pp.19345-19355 (2021) pdf
Akeyo, O. M., Patrick, A., and Ionel, D. M., "Study of Renewable Energy Penetration on a Benchmark Generation and Transmission System," Energies, Vol. 14, No. 1, 169, doi: 10.3390/en14010169, 14p (2021) pdf
Taran, N., Ionel, D. M., Rallabandi,V., Heins, G., and Patterson, D., "An Overview of Methods and a New Three-Dimensional FEA and Analytical Hybrid Technique for Calculating AC Winding Losses in PM Machines," IEEE Transactions on Industry Applications, Vol. 57, No. 1, doi: 10.1109/TIA.2020.3034558, pp. 352-362 (2021) pdf
Rallabandi, V., Han, P., Wu J., Cramer, A., Ionel, D. M., and Zhou, P., “Design Optimization and Comparison of Direct-Drive Outer-Rotor SRMs Based on Fast Current Profile Estimation and Transient FEA,” IEEE Transactions on Industry Applications, Vol. 57, No. 1, doi: 10.1109/TIA.2020.3029995, pp. 236-245 (2021) pdf
Akeyo, O. M., Rallabandi, V., Jewell, N., Patrick, A., and Ionel, D. M., “Parameter Identification for Cells, Modules, Racks, and Battery for Utility-Scale Energy Storage Systems,” IEEE Access, Vol. 8, doi: 10.1109/ACCESS.2020.3039198, pp. 215816-215826 (2020) pdf
Yuan, X., Han, P., Duan, Y., Alden, R., Rallabandi, V., and Ionel, D. M., "Residential Electrical Load Monitoring and Modeling - State of the Art and Future Trends for Smart Homes and Grids," Electric Power Components and Systems, Vol. 48, No. 11, doi: 10.1080/15325008.2020.1834019, pp. 1125-1143 (2020)
Gong, H., Jones, E. S., Alden, R. E., Frye, A. G., Colliver, D., and Ionel, D. M., “Demand Response of HVACs in Large Residential Communities Based on Experimental Developments,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9235465, pp.4545-4548 (Oct 2020) pdf
Han, P., Heins, G., Patterson, D., Thiele, M., and Ionel, D. M., “Evaluation of Bearing Voltage Reduction in Electric Machines by Using Insulated Shaft and Bearings,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9235474, pp. 5584-5589 (Oct 2020) pdf
Kesgin, M. G., Han, P., Taran, N., Lawhorn, D., Lewis, D., and Ionel, D. M., ”Design Optimization of Coreless Axial-flux PM Machines with Litz Wire and PCB Stator Windings,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9236194, pp. 22-26 (Oct 2020) pdf
Han, P., Heins, G., Patterson, D., Thiele, M., and Ionel, D. M., “Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9235700, pp. 5590-5594 (Oct 2020) pdf
Kesgin, M. G., Han, P., Taran, N., and Ionel, D. M., ‘‘Optimal Study of a High Specific Torque Vernier-type Axial-flux PM Machine with Two Different Stators and a Single Winding,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9235901, pp. 4064-4067 (Oct 2020) pdf
Zhang, Y., Lawhorn, D. L., Han, P., Cramer, A. M., and Ionel, D. M., “Electric Drives with Wide Bandgap Devices for Two-Phase Very Low Inductance Machines,” Proceedings, IEEE ECCE 2020, Detroit, MI, doi: 10.1109/ECCE44975.2020.9235388, pp. 6125-6129 (Oct 2020) pdf
Jones, E. S., Akeyo, O. M., Waters, K., and Ionel, D. M., “Electric Power System Studies for a Multi-MW PV Farm and Large Rural Community with Net Zero Energy and Microgrid Capabilities,” Proceedings, IEEE IAS 2020, Detroit, MI, doi:10.1109/IAS44978.2020.9334740, 4p (Oct 2020) pdf
Duerr, S., Ababei, C., and Ionel, D. M., "A Case for Using Distributed Energy Storage for Load Balancing and Power Loss Minimization in Distribution Networks, Electric Power Components and Systems," Electric Power Components and Systems, Vol. 48, No. 9-10, doi: 10.1080/15325008.2020.1825556, pp. 1063-1076 (2020)
Bhaskar M.S., Ramachandaramurthy, V. K., Sanjeevikumar, P., Blaabjerg, F., and Ionel, D.M., "Survey of DC-DC Non-Isolated Topologies for Unidirectional Power Flow in Fuel Cell Vehicles," IEEE Access, Vol. 8, doi: 10.1109/ACCESS.2020.3027041, pp. 178130-178166 (2020)
Bhaskar, M. S., Almakhles, D., Padmanaban, S., Ionel, D. M., Blaabjerg, F., He, J., and Kumar, A., "Investigation of a Transistor Clamped T-Type Multilevel H-Bridge Inverter with Inverted Double Reference Single Carrier PWM Technique for Renewable Energy Applications," IEEE Access, Vol. 8, doi: 10.1109/ACCESS.2020.3020625, pp.161787-161804 (2020)
Alden, R. E., Gong, H., Ababei, C., and Ionel,D. M., “LSTM Forecasts for Smart Home Electricity Usage,” Proceedings, IEEE ICRERA 2020, Glasgow, UK, doi: 10.1109/ICRERA49962.2020.9242804, pp. 434-438 (Sep 2020) pdf
Jones, E. S., Alden, R. E., Gong, H., Frye, A. G., Colliver, D., and Ionel, D. M., “The Effect of High Efficiency Building Technologies and PV Generation on the Energy Profiles for Typical US Residences,” Proceedings, IEEE ICRERA 2020, Glasgow, UK, doi: 10.1109/ICRERA49962.2020.9242665, pp. 471-476 (Sep 2020) pdf
Lewis, D., Lawhorn, D., and Ionel, D. M., “On the Feasibility of Electrification for Large Mobile Cranes,” Proceedings, IEEE ICRERA 2020, Glasgow, UK, doi: 10.1109/ICRERA49962.2020.9242871, pp. 467-470 (Sep 2020) pdf
Gong, H., Jones, E. S., and Ionel, D. M., "An Aggregated and Equivalent Home Model for Power System Studies with Examples of Building Insulation and HVAC Control Improvements," Proceedings, IEEE PESGM 2020, Montreal, Canada, doi:10.1109/PESGM41954.2020.9281438, 4p (Aug 2020) pdf
Akeyo, O.M., Patrick, A., and Ionel, D.M., “Study of Large Solar PV Penetration on a Proposed Generation and Transmission Benchmark System,” Proceedings, IEEE PESGM 2020, Montreal, Canada (Aug 2020)
Alden, R., Ababei, C., and Ionel, D. M., “Tradeoffs in Forecasting of Residential Electric Loads with Data from Smart Meters and Intelligent Circuit Breakers,” Proceedings, IEEE PESGM 2020, Montreal, Canada (Aug 2020)
Gong, H., and Ionel, D. M., “Optimization of Aggregated EV Power in Residential Communities with Smart Homes,” Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, doi:10.1109/ITEC48692.2020.9161532, pp. 779-782 (Jun 2020) pdf
Lawhorn, D., Rallabandi, V., and Ionel, D. M., “A Network Graph Technique for the Design of Electric Aircraft Power Systems,” Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, doi: 10.1109/ITEC48692.2020.9161492, pp.809-813 (Jun 2020) pdf
Gong, H., Rallabandi, V., Ionel, D. M., Colliver, D., Duerr, S., and Ababei, C., "Dynamic Modeling and Optimal Design for Net Zero Energy Houses Including Hybrid Electric and Thermal Energy Storage," IEEE Transactions on Industry Applications, Vol. 56, No. 4, doi: 10.1109/TIA.2020.2986325, pp. 4102-4113 (2020) pdf
Taran, N., Heins, G., Rallabandi, V., Patterson, D., and Ionel, D. M., "Evaluating the Effects of Electric and Magnetic Loading on the Performance of Single- and Double-Rotor Axial-Flux PM Machines," IEEE Transactions on Industry Applications, Vol. 56, No. 4, doi: 10.1109/TIA.2020.2983632, pp. 3488-3497 (2020) pdf
Bhaskar, M.S., Almakhles D.J., Padmanaban S., Blaabjerg F., Subramaniam U., and Ionel D.M., "Analysis and Investigation of Hybrid DC–DC Non-Isolated and Non-Inverting Nx Interleaved Multilevel Boost Converter (Nx-IMBC) for High Voltage Step-Up Applications: Hardware Implementation," IEEE Access, Vol. 8, doi: 10.1109/ACCESS.2020.2992447, pp. 87309-87328 (2020)
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., “The Design and Analysis of Large Solar PV Farm Configurations with DC Connected Battery Systems,” IEEE Transactions on Industry Applications, Vol. 56, No. 2, doi: 10.1109/TIA.2020.2969102, pp. 2903-2912 (2020) pdf
Taran, N., Rallabandi, V., Heins, G., and Ionel, D. M., "Systematically Exploring the Effects of Pole Count on the Performance and Cost Limits of Ultra-High Efficiency Fractional hp Axial Flux PM Machines," IEEE Transactions on Industry Applications, Vol. 56, No. 1, doi: 10.1109/TIA.2019.2943814, pp. 117-127 (2020) pdf
Jones, E. S., Gong, H., and Ionel, D. M., "Optimal Combinations of Utility Level Renewable Generators for a Net Zero Energy Microgrid Considering Different Utility Charge Rates," Proceedings, IEEE ICRERA 2019, Brasov, RO, doi: 10.1109/ICRERA47325.2019.8996529, pp. 1014-1017 (Nov 2019) pdf
Alden, R. E., Han, P., and Ionel, D. M., “Smart Plug and Circuit Breaker Technologies for Residential Buildings in the US,” Proceedings, IEEE ICRERA 2019, Brasov, RO, doi: 10.1109/ICRERA47325.2019.8996877, pp. 1018-1021 (Nov 2019) pdf
Kesgin, M. G., Han, P., Taran, N., and Ionel, D. M., "Overview of Flywheel Systems for Renewable Energy Storage with a Design Study for High-speed Axial-flux Permanent-magnet Machines," Proceedings, IEEE ICRERA 2019, Brasov, RO, doi: 10.1109/ICRERA47325.2019.8996526, pp. 1026-1031 (Nov 2019) pdf
Taran, N., Heins, G., Rallabandi, V., Patterson, D., and Ionel, D. M., “Systematic Comparison of Two Axial Flux PM Machine Topologies: Yokeless and Segmented Armature versus Single Sided," Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8913104, pp. 4477-4482 (Oct 2019) pdf
Gong, H., Rallabandi, V., McIntyre M. L., and Ionel, D. M., “On the Optimal Energy Controls for Large Scale Residential Communities including Smart Homes,” Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8912490, pp. 503-507 (Oct 2019) pdf
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., "Measurement and Estimation of the Equivalent Circuit Parameters for Multi-MW Battery Systems," Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8912233, pp. 2499-2504 (Oct 2019) pdf
Rallabandi, V., Han, P., Kesgin, M. G., Taran, N., and Ionel, D. M., "Axial-field Vernier-type Flux Modulation Machines for Low-speed Direct-drive Applications," Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8912550, pp. 3123-3128 (Oct 2019) pdf
Zhang, Y., Akeyo, O M., He, J., and Ionel, D. M., "On the Control of a Solid State Transformer for Multi-MW Utility-Scale PV-Battery Systems," Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8912477, pp. 6481-6486 (Oct 2019) pdf
Taran, N. and Ionel, D. M., "A Hybrid Analytical and FE-based Method for Calculating AC Eddy Current Winding Losses Taking 3D Effects into Account," Proceedings, IEEE ECCE 2019, Baltimore, MD, doi: 10.1109/ECCE.2019.8912784, pp. 4867-4872 (Oct 2019) pdf
Lawhorn, D., Rallabandi V., and Ionel, D. M., "Scalable Graph Theory Approach for Electric Aircraft Power System Optimization," Proceedings, 2019 AIAA/IEEE Electric Aircraft Technology Symposium (EATS), Indianapolis, IN, doi: 10.2514/6.2019-4488, 5p (Aug 2019)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., Staton, D. A., Wrobel, R., and Chong, Y. C., "Computationally Efficient Strand Eddy Current Loss Calculation in Electric Machines," IEEE Transactions on Industry Applications, Vol. 55, No. 4, doi: 10.1109/TIA.2019.2903406, pp. 3497-3489 (2019)
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., "Modeling and Simulation of a Utility-Scale Battery Energy Storage System," Proceedings, IEEE PESGM 2019, Atlanta, GA, doi: 10.1109/PESGM40551.2019.8974042, 5p (Aug 2019) pdf
Gong, H., Rallabandi, V., and Ionel, D. M., "Load Variation Reduction by Aggregation in a Community of Rooftop PV Residences," Proceedings, IEEE PESGM 2019, Atlanta, GA, doi: 10.1109/PESGM40551.2019.8974029, 4p (Aug 2019) pdf
Lawhorn, D., Rallabandi, V., and Ionel, D. M., “Electric Aircraft System Co-simulation including Body, Propeller, Propulsion, and Energy Storage Models,” Proceedings, IEEE Transportation Electrification Conference and Expo (ITEC), Novi, MI, doi: 10.1109/ITEC.2019.8790529, 5p (Jun 2019) pdf
Zhang, Y., He, J., and Ionel, D. M., "Modeling and Control of a Multiport Converter based EV Charging Station with PV and Battery," Proceedings, 2019 IEEE Transportation Electrification Conference and Expo (ITEC), Novi, MI, doi: 10.1109/ITEC.2019.8790632, 5p (Jun 2019) pdf
Taran, N., Rallabandi, V., and Ionel, D. M., “WAVED: A Coreless Axial Flux PM Motor for Drive Systems with Constant Power Operation," Proceedings, 2019 IEEE Transportation Electrification Conference and Expo (ITEC), Detroit, MI, doi: 10.1109/ITEC.2019.8790489, 6p (Jun 2019) pdf
Taran, N., Rallabandi, V., Ionel, D. M., Heins, G., Patterson, D., and Zhou, P., "Design Optimization of Electric Machines with 3D FEA and a New Hybrid DOE-DE Numerical Algorithm," "Proceedings, 2019 IEEE International Electric Machines & Drives Conference (IEMDC), San Diego, CA, doi: 10.1109/IEMDC.2019.8785088, pp. 603-608 (May 2019) pdf
Taran, N., Rallabandi, V., Ionel, D. M., Heins, G., and Patterson, D., "A Comparative Study of Methods for Calculating AC Winding Losses in Permanent Magnet Machines," Proceedings, 2019 IEEE International Electric Machines & Drives Conference (IEMDC), San Diego, CA, doi: 10.1109/IEMDC.2019.8785396, pp. 2265-2271 (May 2019) pdf
Rallabandi, V., Taran, N., Ionel, D. M., and Zhou, P., “Inductance Testing for IPM Synchronous Machines According to the New IEEE Std 1812 and Typical Laboratory Practices,” IEEE Transactions on Industry Applications, Vol. 55, No. 3, doi: 10.1109/TIA.2019.2897668, pp. 2649-2659 (2019) pdf
Taran, N., Rallabandi, V., Ionel, D. M., Zhou, P., Thiele, M., and Heins, G., “A Systematic Study on the Effects of Dimensional and Materials Tolerances on Permanent Magnet Synchronous Machines based on the IEEE Std 1812,” IEEE Transactions on Industry Applications, Vol. 55, No. 2, doi: 10.1109/TIA.2018.2877144, pp. 1360-1371 (2019) pdf
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., "Battery Testing According to the New EPRI Guide and Applications to Distribution Systems," Proceedings, DistribuTECH 2019, New Orleans, LA (Feb 2019)
Gong, H., Akeyo, O. M., Rallabandi, V., Colliver, D., and Ionel, D. M., "On the Control of Distribution Power System for Low-income Low-cost Net Zero Energy Communities," Proceedings, DistribuTECH 2019, New Orleans, LA (Feb 2019)
Alawhali, N., Akeyo, O. M., Rallabandi, V., and Ionel, D. M., "Community-based Hybrid Wind and Solar PV Farm," Proceedings, DistribuTECH 2019, New Orleans, LA (Feb 2019)
Rallabandi, V., Akeyo, O. M., Jewell, N., and Ionel, D. M., “Incorporating Battery Energy Storage Systems into Multi-MW Grid Connected PV Systems,” IEEE Transactions on Industry Applications, Vol. 55, No. 1, doi: 10.1109/TIA.2018.2864696, pp. 638-647 (2019) pdf
Taran, N., Rallabandi, V., Heins, G., Ionel, D. M., "Coreless and Conventional Axial Flux Permanent Magnet Motors for Solar Cars," IEEE Transactions on Industry Applications, Vol. 54, No. 6, doi: 10.1109/TIA.2018.2855123, pp. 5907-5917 (2018) pdf
Akeyo, O. M., Gong, H., Rallabandi, V., Jewell, N., and Ionel, D. M., "Power Utility Tests for Multi-MW High Energy Batteries," Proceedings, IEEE ICRERA 2018, Paris, France, doi:10.1109/ICRERA.2018.8566920, pp. 2504-2509 (Oct 2018) pdf
Gong, H., Akeyo, O. M., Rallabandi, V., and Ionel, D. M., "Real Time Operation of Smart Homes with PV and Battery Systems under Variable Electricity Rate Schedules and Transactive Power Flow," Proceedings, IEEE ICRERA 2018, Paris, France, doi: 10.1109/ICRERA.2018.8566895, pp.1392-1395 (Oct 2018) pdf
Rallabandi, V., Alawhali, N., Akeyo, O. M., and Ionel, D. M., "Simulation Studies for a Multi-MW Hybrid Wind-Solar PV System for Desalination Plants," Proceedings, IEEE ICRERA 2018, Paris, France, doi: 10.1109/ICRERA.2018.8566987, pp. 1413-1416 (Oct 2018) pdf
Taran, N., Rallabandi, V., Ionel, D. M., Heins, G., and Zhou, P., "Ultra-fast Multi-objective Optimization of Spoke-type Axial Flux PM Machines based on 3D FEA using Design of Experiments and Differential Evolution," Proceedings, IEEE CEFC 2018, Hangzhou, China, 1d (Oct 2018)
Wu, J., Rallabandi, V., and Ionel, D. M., "Directed Graph-based Multi-Objective Design Optimization of Electric Machines Using Differential Evolution," Proceedings, IEEE CEFC 2018, Hangzhou, China, 1d (Oct 2018)
Fatemi, A., Ionel, D. M., Popescu, M., Chong, Y. C. , and Demerdash, N. A. O., “Design Optimization of a High Torque Density Spoke-Type PM Motor for a Formula E Race Drive Cycle,” IEEE Transactions on Industry Applications, Vol. 54, No. 5, doi: 10.1109/TIA.2018.2844804, pp. 4343-4354 (2018)
Priyadarshi, N., Padmanaban, S., Ionel, D. M., Mihet-Popa, L., and Azam, F., "Hybrid PV-wind, Micro-grid Development using Quasi-Z-source Inverter Modeling and Control – Experimental Investigation," Energies, Vol. 11, No. 9, 2277, doi: 10.3390/en11092277, pp. 1-15 (2018)
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., "Improving the Capacity Factor and Stability of Multi-MW Grid Connected PV Systems with Results from a 1MW/2MWh Battery Demonstrator," Proceedings, IEEE ECCE 2018, Portland, OR, doi: 10.1109/ECCE.2018.8558253, pp. 2504-2509 (Sep 2018) pdf
Gong, H., Rallabandi, V., Ionel, D. M., Colliver, D., Duerr, S., and Ababei, C., "Net Zero Energy Houses with Dispatchable Solar PV Power Supported by Electric Water Heater and Battery Energy Storage," Proceedings, IEEE ECCE 2018, Portland, OR, doi: 10.1109/ECCE.2018.8557720, pp. 2498-2503 (Sep 2018) pdf
Rallabandi, V., Wu, J., Cramer, A. M., Ionel, D. M., and Zhou, P., “Optimal Design of Outer Rotor Switched Reluctance Machines for Direct Drive Rim Applications," Proceedings, IEEE ECCE 2018, Portland, OR, doi:10.1109/ECCE.2018.8557367, pp. 6104-6109 (Sep 2018)
Taran, N., Rallabandi, V., Heins, G., and Ionel, D. M., “Exploring the Efficiency and Cost Limits of Fractional hp Axial Flux PM Machine Designs,” Proceedings, IEEE ECCE 2018, Portland, OR, doi:10.1109/ECCE.2018.8557562, pp. 3272-3277 (Sep 2018) pdf
Zhang, Y., He, J., Padmanaban, S., and Ionel, D. M., “Transistor-Clamped Multilevel H-Bridge Inverter in Si and SiC Hybrid Configuration for High-Efficiency Photovoltaic Applications,” Proceedings, IEEE ECCE 2018, Portland, OR, doi: 10.1109/ECCE.2018.8557394, pp. 2536-2542 (Sep 2018) pdf
Taran, N., Heins, G., Rallabandi, V., Patterson, D., and Ionel, D. M., “Torque Production Capability of Axial Flux Machines with Single and Double Rotor Configuration,” Proceedings, IEEE ECCE 2018, Portland, OR, doi:10.1109/ECCE.2018.8557818, pp. 7336-7341 (Sep 2018) pdf
Lawhorn, D., Rallabandi, V., and Ionel, D. M., “Power Electronics Powertrain Architectures for Solar and Hybrid Aircraft with Distributed Propulsion,” Proceedings, 2018 AIAA/IEEE Electric Aircraft Technology Symposium (EATS), Cincinnati, OH, pp. 1-6 (Jul 2018) pdf
Rallabandi, V., Lawhorn, D., Ionel, D. M., and Li, X., “Multi-Physics Modeling for Electric and Hybrid Vehicles with In-wheel Electric Motors,” Proceedings, IEEE ITEC 2018, Long Beach, CA, doi: 10.1109/ITEC.2018.8450091, pp. 146-151 (Jun 2018) pdf
Lawhorn, D., Taran, N., Rallabandi, V., and Ionel, D. M., “A Comparative Study of Constant Power Operation Techniques for Low Inductance Machines," Proceedings, IEEE ITEC 2018, Long Beach, CA, doi: 10.1109/ITEC.2018.8450184, pp. 638-643 (Jun 2018) pdf
Taran, N., Ionel, D. M., and Dorrell, D. G., “Two-Level Surrogate–Assisted Differential Evolution Multi–Objective Optimization of Electric Machines Using 3D FEA,” IEEE Transactions on Magnetics, Vol. 54, No. 11, doi: 10.1109/TMAG.2018.2856858, pp. 1-5 (2018) pdf
Rallabandi, V., Wu, J., Zhou, P., Dorrell, D. G., and Ionel, D. M., “Optimal Design of a Switched Reluctance Motor With Magnetically Disconnected Rotor Modules Using a Design of Experiments Differential Evolution FEA-Based Method,” IEEE Transactions on Magnetics, Vol. 54, No. 11, doi: 10.1109/TMAG.2018.2850744, pp. 1-5 (2018) pdf
Taran, N., Ionel, D. M., and Dorrell, D. G., “Two-Level Surrogate-Assisted Differential Evolution Multi-Objective Optimization of Electric Machines Using 3D FEA," Proceedings, IEEE INTERMAG 2018, Singapore, doi: 10.1109/INTMAG.2018.8508483, 2d (Apr 2018)
Choi, S., et al., Ionel, D. M., “Fault Diagnosis Techniques for Permanent Magnet AC Machine and Drives; A Review of Current State of the Art,” IEEE Transactions on Transportation Electrification, Vol. 4, No. 2, doi: 10.1109/TTE.2018.2819627, pp. 444-463 (2018)
Akeyo, O. M., Rallabandi, V., Jewell, N., and Ionel, D. M., “Simulations and Experimentation for Demonstration Site with a 10MW PV and 1MW 2MWh Li-ion Battery," Proceedings, DistribuTECH 2018, San Antonio, TX (Jan 2018)
Zhang, Y., He, J., Rallabandi, V., and Ionel, D. M., “High-Performance Multi-Level Power Converters for PV Energy Generation Systems," Proceedings, DistribuTECH 2018, San Antonio, TX (Jan 2018)
Akeyo, O. M., Rallabandi, V., and Ionel, D. M., “Multi-MW Solar PV Pumping System with Capacity Modulation and Battery Voltage Support," Proceedings, IEEE ICRERA 2017, San Diego, CA, doi: 10.1109/ICRERA.2017.8191097, pp. 423-428 (Nov 2017) pdf
Rallabandi, V., Lawhorn, D., He. J., and Ionel, D. M., “Current Weakening Control of AFPM Motor Drives for Solar Race Cars with a Three-port Bi-directional DC/DC Converter," Proceedings, IEEE ICRERA 2017, San Diego, CA, doi: 10.1109/ICRERA.2017.8191158, pp. 1-6 (Nov 2017)
Duerr, S., Ababei, C., and Ionel, D. M., “Load Balancing with Energy Storage Systems based on Co-simulation of Multiple Smart Buildings and Distribution Networks," Proceedings, IEEE ICRERA 2017, San Diego, CA, doi: 10.1109/ICRERA.2017.8191262, pp. 1-6 (Nov 2017)
Zhou, P., Lin, D., Lu, C., Rosu, M., and Ionel, D. M., “An Adaptive Fixed Point Iteration Algorithm for Finite Element Analysis with Magnetic Hysteresis Materials," IEEE Transactions on Magnetics, Vol. 53, No. 10, Art No. 7300705, doi: 10.1109/TMAG.2017.2712572, pp. 1-5 (2017)
Rallabandi, V., Taran, N., Ionel, D. M., and Boldea, I. G., “MAGNUS: An Ultra-High Specific Torque PM Axial Flux Type Motor with Flux Focusing and Modulation," Proceedings, IEEE ECCE 2017, Cincinnati, OH, doi: 10.1109/ECCE.2017.8095930, pp. 1234-1239 (Oct 2017) pdf
Rallabandi, V., Taran, N., Ionel, D. M., and Zhou, P., “Inductance Testing According to the New IEEE Std 1812: Application and Possible Extensions for IPM Machines," Proceedings, IEEE ECCE 2017, Cincinnati, OH, doi: 10.1109/ECCE.2017.8096742, pp. 4302-4308 (Oct 2017) pdf
Taran, N., Rallabandi, V., Ionel, D. M., and Heins, G., “A Comparative Study of Coreless and Conventional Axial Flux Permanent Magnet Synchronous Machines for Low and High Speed Operation," Proceedings, IEEE ECCE 2017, Cincinnati, OH, doi: 10.1109/ECCE.2017.8095799, pp. 321-327 (Oct 2017)
Rallabandi, V., Taran, N., and Ionel, D. M., “Multilayer Concentrated Windings for Axial Flux PM Machines," IEEE Transactions on Magnetics, Vol. 53, No. 6, doi: 10.1109/TMAG.2017.2661312, pp. 1-4 (2017) pdf
Rallabandi, V., Taran, N., Ionel, D. M., and Eastham, J. F., “Coreless Multidisc Axial Flux PM Machine with Carbon Nanotube Windings," IEEE Transactions on Magnetics, Vol. 53, No. 6, doi: 10.1109/TMAG.2017.2660526, pp. 1-4 (2017) pdf
Ursu, D., Tutelea, L., Ionel, D. M., and Boldea, I., “Optimal Design of BLDC Multi-phase Reluctance Machines (MRM) for Variable Speed Drives," Proceedings, IEEE OPTIM 2017 & ACEMP 2017, Brasov, RO, doi: 10.1109/OPTIM.2017.7975015, pp. 483-488 (May 2017)
Taran, N., Rallabandi, V., Ionel, D. M., and Zhou, P., “On the Effect of Design Tolerances on the Performance of Synchronous PM Machines Evaluated According to the IEEE Std 1812," Proceedings, IEEE IEMDC 2017, Miami, FL, doi: 10.1109/IEMDC.2017.8002387, pp. 1-7 (May 2017) pdf
Kuai, S., Rallabandi, V., and Ionel, D. M., “Sensorless Control of Three Phase Switched Reluctance Motor Drives Using an Approximate Inductance Model," Proceedings, IEEE IEMDC 2017, Miami, FL, doi: 10.1109/IEMDC.2017.8002369, pp. 1-6 (May 2017)
Liu, X., Cramer, A. M., Rallabandi, V., and Ionel, D. M., “Switching Frequency Selection for Ultra-Low Inductance Machines," Proceedings, IEEE IEMDC 2017, Miami, FL, doi: 10.1109/IEMDC.2017.8002403, pp. 1-6 (May 2017)
Rallabandi, V., Taran, N., Ionel, D. M., and Boldea, I. G., “Axial-Flux PM Synchronous Machines with Air-gap Profiling and very High Ratio of Spoke Rotor Poles to Stator Concentrated Coils," Proceedings, IEEE IEMDC 2017, Miami, FL, doi: 10.1109/IEMDC.2017.8002371, pp. 1-7 (May 2017) pdf
Taran, N., Rallabandi, V., Heins, G., and Ionel, D. M., “A Comparative Study of Conventional and Coreless Axial Flux Permanent Magnet Synchronous Motors for Solar Cars," Proceedings, IEEE IEMDC 2017, Miami, FL, doi: 10.1109/IEMDC.2017.8002407, pp.1-7 (May 2017)
Duerr, S., Ababei, C., and Ionel, D. M., “SmartBuilds: An Energy and Power Simulation Framework for Buildings and Districts," IEEE Transactions on Industry Applications, Vol. 53, No. 1, doi: 10.1109/TIA.2016.2611667, pp. 402-410 (2017)
Wang, Y., Ionel, D. M., Rallabandi, V., Jiang, M., and Stretz, S., “Large Scale Optimization of Synchronous Reluctance Machines Using CE-FEA and Differential Evolution," IEEE Transactions on Industry Applications, Vol. 52, No. 6, doi: 10.1109/TIA.2016.2591498, pp. 4699-4709 (2016) pdf
Rallabandi, V., Taran, N., and Ionel, D. M., “Multilayer Concentrated Windings for Axial Flux PM Machines," Proceedings, IEEE CEFC 2016, Miami, FL, 2016, doi: 10.1109/CEFC.2016.7816369, 1d (Nov 2016)
Fatemi, A., Ionel, D. M., and Demerdash, N. A. O., “Distinguishing the Efficiency Requirements in Motoring and Generating Operations of PM Machines," Proceedings, IEEE CEFC 2016, Miami, FL, 2016, doi: 10.1109/CEFC.2016.7816150, 1d (Nov 2016)
Rallabandi, V., Taran, N., Ionel, D. M., and Eastham, J. F., “Coreless Multidisc Axial Flux PM Machine with Carbon Nanotube Windings," Proceedings, IEEE CEFC 2016, Miami, FL, 2016, doi: 10.1109/CEFC.2016.7816368, 1d (Nov 2016)
Rallabandi, V., Akeyo, O. M., and Ionel, D. M., “Modeling of a Multi-megawatt Grid Connected PV System with Integrated Batteries," Proceedings, IEEE ICRERA 2016, doi: 10.1109/ICRERA.2016.7884512, pp. 1146-1151 (Nov 2016) pdf
Zhang, P., Ionel, D. M., and Demerdash, N. A. O., “Saliency Ratio and Power Factor of IPM Motors with Distributed Windings Optimally Designed for High Efficiency and Low-Cost Applications," IEEE Transactions on Industry Applications, Vol. 52, No. 6, doi: 10.1109/TIA.2016.2598313, pp. 4730-4739 (2016)
Novakovic, B., Duan, Y., Solveson, M., Nasiri, A., and Ionel, D. M., “From Wind to the Electric Grid: Comprehensive Modelling of Wind Turbine systems," IEEE Industry Applications Magazine, Vol. 22, No. 5, doi: 10.1109/MIAS.2015.2459116, pp. 73-84 (2016)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., and Popescu, M., “Design Optimization of Spoke-Type PM Motors for Formula E Racing Cars," Proceedings, IEEE ECCE 2016, Milwaukee, WI, doi: 10.1109/ECCE.2016.7855032, pp. 1-8 (Sep 2016)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., Wrobel, R., and Staton, D., “A Computationally Efficient Method for Calculation of Strand Eddy Current Losses in Electric Machines," Proceedings, IEEE ECCE 2016, Milwaukee, WI, doi: 10.1109/ECCE.2016.7854667, pp. 1-8 (Sep 2016)
Rallabandi, V., Taran, N., Ionel, D. M., and Eastham, J. F., “On the Feasibility of Carbon Nanotube Windings for Electrical Machines: Case Study for a Coreless Axial Flux Motor," Proceedings, IEEE ECCE 2016, Milwaukee, WI, doi: 10.1109/ECCE.2016.7855306, pp. 1-7 (Sep 2016) pdf
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., Stretz, S., and Jahns, T. M., “RSM-DE-ANN Sensitivity Analysis of Material Cost in PM Motors with Distributed and Concentrated Windings," Proceedings, IEEE ECCE 2016, Milwaukee, WI, doi: 10.1109/ECCE.2016.7855414, pp. 1-7 (Sep 2016)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., and Nehl, T., “Large-scale Design Optimization of PM Machines over a Target Operating Cycle," IEEE Transactions on Industry Applications, Vol. 52, No. 5, doi: 10.1109/TIA.2016.2563383, pp. 3772-3782 (2016)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., and Nehl, T., “Optimal Design of IPM Motors with Different Cooling Systems and Winding Configurations," IEEE Transactions on Industry Applications, Vol. 52, No. 4, doi: 10.1109/TIA.2016.2553638, pp. 3041-3049 (2016)
Wang, Y., Ionel, D. M., Jiang, M., and Stretz, S., “Establishing the Relative Merits of Synchronous Reluctance and PM Assisted Technology Through Systematic Design Optimization," IEEE Transactions on Industry Applications, Vol. 52, No. 4, pp. 2971-2978 (2016)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., and Nehl, T. W., “Fast Multi-Objective CMODE-Type Optimization of PM Machines Using Multicore Desktop Computers," IEEE Transactions on Industry Applications, Vol. 52, No. 4, doi: 10.1109/TIA.2016.2542125, pp. 2941-2950 (2016)
Heins, G., Ionel, D. M., Patterson, D., Stretz, S., and Thiele, M., “Combined Experimental and Numerical Method for Loss Separation in Permanent Magnet Brushless Machines," IEEE Transactions on Industry Applications, Vol. 52, No. 2, doi: 10.1109/TIA.2015.2497247, pp. 1405-1412 (2016)
Wang, Y., Ionel, D. M., Dorrell, D. G., and Stretz, S., “Establishing the Power Factor Limitations for Synchronous Reluctance Machines," IEEE Transactions on Magnetics, Vol. 51, No. 11, Article #: 8111704, doi: 10.1109/TMAG.2015.2443713, pp. 1-4. (2015)
Wang, Y., Ionel, D. M., and Staton, D., “Ultrafast Steady-State Multiphysics Model for PM and Synchronous Reluctance Machines," IEEE Transactions on Industry Applications, Vol. 51, No. 5, doi: 10.1109/TIA.2015.2420623, pp. 3639-3646 (2015)
Duerr, S., Ababei, C., and Ionel, D. M., “SmartBuilds: An Energy and Power Simulation Framework for Buildings and Districts," Proceedings, IEEE ECCE 2015, Montreal, Canada, doi: 10.1109/ECCE.2015.7310604, pp. 6747-6754 (Sep 2015)
Fatemi, A., Ionel, D. M., Demerdash, N. A. O., and Nehl, T., “Fast Multi-Objective CMODE-Type Optimization of Electric Machines for Multicore Desktop Computers," Proceedings, IEEE ECCE 2015, Montreal, Canada, doi: 10.1109/ECCE.2015.7310447, pp. 5593-5600 (Sep 2015)
Fatemi, A., Nehl, T., Demerdash, N. A. O., and Ionel, D. M., “Large-scale Electromagnetic Design Optimization of PM Machines over a Target Operating Cycle," Proceedings, IEEE ECCE 2015, Montreal, Canada, doi: 10.1109/ECCE.2015.7310279, pp. 4383-4390 (Sep 2015)
Wang, Y., Ionel, D. M., Jiang, M., and Stretz, S., “Establishing the Relative Merits of Synchronous Reluctance and PM Assisted Motor Technology Through Systematic Design Optimization," Proceedings, IEEE ECCE 2015, Montreal, Canada, doi: 10.1109/ECCE.2015.7310220, pp. 3964-3971 (Sep 2015)
Ma, K., Tutelea, L., Boldea, I., Ionel, D. M., and Blaabjerg, F., “Power Electronic Drives, Controls, and Electric Generators for Large Wind Turbines – An Overview," Electric Power Components and Systems, Vol. 43, No. 12, doi: 10.1080/15325008.2015.1037470, pp. 1406-1421 (2015)
Hamidi, S. A., Ionel, D. M., and Nasiri, A., “Modeling and Management of Batteries and Ultracapacitors for Renewable Energy Support in Electric Power Systems – An Overview," Electric Power Components and Systems, Vol. 43, No. 12, doi: 10.1080/15325008.2015.1038757, pp. 1434-1452 (2015)
Fatemi, A., Demerdash, N. A. O., and Ionel, D. M., “Design Optimization of IPM Machines for Efficient Operation in Extended Speed Range," Proceedings, IEEE ITEC 2015, Dearborn, MI, doi: 10.1109/ITEC.2015.7165802, pp 1-8 (Jun 2015)
Wang, Y., Ionel, D. M., Jiang, M., and Stretz, S., “Large Scale Optimization of Electronically Controlled Synchronous Reluctance Machines Using CE-FEA and Differential Evolution," Proceedings, IEEE IEMDC 2015, Coeur D’Alene, ID, doi: 10.1109/IEMDC.2015.7409293, pp. 4383-4390 (May 2015)
He, J., Fatemi, A., Demerdash, N. A. O., and Ionel, D. M., “Diagnosis of Stator Short-Circuit Faults in Series and Parallel Winding Connections of Closed-Loop Controlled PMSMs," Proceedings, IEEE IEMDC 2015, Coeur D’Alene, ID, doi: 10.1109/IEMDC.2015.7409243, pp. 1387-1393 (May 2015)
Fatemi, A., Ionel, D. M., and Demerdash, N. A. O., “Identification of Design Rules for Interior PM Motors with Different Cooling Systems," Proceedings, IEEE IEMDC 2015, Coeur D’Alene, ID, doi: 10.1109/IEMDC.2015.7409218, pp. 1228-1234 (May 2015)
Zhang, P., Sizov, Y., Ionel, D. M., and Demerdash, N. A. O., “Establishing the Relative Merits of Interior and Spoke-Type Permanent-Magnet Machines with Ferrite or NdFeB Through Systematic Design Optimization," IEEE Transactions on Industry Applications, Vol. 51, No. 4, doi: 10.1109/TIA.2015.2394449, pp. 2940-2948 (2015)
Heins, G., Ionel, D. M., and Thiele, M., “Winding Factors and Magnetic Fields in Permanent-Magnet Brushless Machines with Concentrated Windings and Modular Stator Cores," IEEE Transactions on Industry Applications, Vol. 51, No. 4, doi: 10.1109/TIA.2015.2394444, pp. 2924-2932 (2015)
Blaabjerg, F., and Ionel, D. M., “Renewable Energy Devices and Systems – Research," Electric Power Components and Systems, Vol. 43, No. 8-10, doi: 10.1080/15325008.2015.1041854, pp. 837-838 (2015)
Blaabjerg, F., and Ionel, D. M., “Renewable Energy Devices and Systems – State-of-the-Art Technology, Research and Development, Challenges and Future Trends," Electric Power Components and Systems, Vol. 43, No. 12, doi: 10.1080/15325008.2015.1062819, pp. 1319-1328 (2015)