Philip T Krein

2025

A Transformerless Soft-Switching Multiport Integrated Converter with Leakage Current Suppression for Residential Energy Management

Zhou, L., Gao, Y., Dong, M., Zhang, X., Ma, H. & Krein, P. T., 2025, In: IEEE Journal of Emerging and Selected Topics in Power Electronics. 13, 1, p. 6-22 17 p.

Research output: Contribution to journal › Article › peer-review

Bumpless Electronic Pole-Changing for Variable-Pole Induction Machines

Libbos, E., Chaubal, S., Maheshwari, A., Banerjee, A. & Krein, P. T., 2025, In: IEEE Transactions on Transportation Electrification. 11, 1, p. 1201-1213 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2024

Frequency-Domain Analytical Prediction of PWM-Induced Current Harmonics in Slotless Surface-Mounted PM Synchronous Machines

Zhang, X., Haran, K. S., Krein, P. T. & Garces, L. J., Jun 1 2024, In: IEEE Transactions on Energy Conversion. 39, 2, p. 1059-1074 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Real-Time Diagnosis Based on Signal Convolution-Pooling Processing and Shared Filter Learning for Transistor Open-Circuit Faults in a T-Type Inverter

Wang, B., Chen, G., Song, J., Peng, C., Krein, P. T. & Ma, H., May 1 2024, In: IEEE Transactions on Power Electronics. 39, 5, p. 6281-6297 17 p.

Research output: Contribution to journal › Article › peer-review

Transitioning the PELS Newsletter Into a Full-Fledged Magazine [Guest Editorial]

Pitel, I. J., Guenther, R. N., Peterson, W., Krein, P. T., Enjeti, P. & Tan, D., 2024, IEEE Power Electronics Magazine, 11, 3, p. 22-25 4 p.

Research output: Contribution to specialist publication › Article

2023

All-Detuned Three-Coil Configuration for Advantages in Inductive Power Transfer Systems

Yao, Z., Luo, S., Wei, X., Zhang, Z., Li, G., Shen, X., Zhang, N., Krein, P. T. & Ma, H., Oct 1 2023, In: IEEE Transactions on Power Electronics. 38, 10, p. 11870-11884 15 p.

Research output: Contribution to journal › Article › peer-review

Analysis and Design of Multifrequency Compensation Strategy for Wide Misalignment Tolerance in Inductive Power Transfer Systems

Yao, Z., Luo, S., Zhang, Z., Li, G., Wei, X., Shen, X., Zhang, N., Krein, P. T. & Ma, H., Sep 1 2023, In: IEEE Transactions on Power Electronics. 38, 9, p. 11705-11718 14 p.

Research output: Contribution to journal › Article › peer-review

Efficiency Enhancement of DC Solid-State Transformers by Dynamically Adjusting Active Cells

Weng, H., Jiang, Y., Chen, M., Hu, C., Krein, P. T. & Xu, D., Dec 1 2023, In: IEEE Transactions on Power Electronics. 38, 12, p. 14942-14955 14 p.

Research output: Contribution to journal › Article › peer-review

Electromagnetic-Thermal Modeling of Nonlinear Magnetic Materials

Li, H., Krein, P. T. & Jin, J. M., 2023, In: IEEE Journal on Multiscale and Multiphysics Computational Techniques. 8

Research output: Contribution to journal › Article › peer-review

From 'Power Electronics Inside' to 'Human-Centered Power Electronics'

Krishnamoorthy, H. S., Krein, P. & Zahnstecher, B., Sep 1 2023, IEEE Power Electronics Magazine, 10, 3, p. 61-63 3 p.

Research output: Contribution to specialist publication › Article

Winding Layout Considerations for Variable-Pole Induction Motors in Electric Vehicles

Libbos, E., Krause, E., Banerjee, A. & Krein, P. T., Dec 1 2023, In: IEEE Transactions on Transportation Electrification. 9, 4, p. 5214-5225 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2022

A Coil Positioning Method Integrated With an Orthogonal Decoupled Transformer for Inductive Power Transfer Systems

Zhang, Z., Zheng, S., Yao, Z., Xu, D., Krein, P. T. & Ma, H., Aug 1 2022, In: IEEE Transactions on Power Electronics. 37, 8, p. 9983-9998 16 p.

Research output: Contribution to journal › Article › peer-review

A DC Solid-State Transformer With DC Fault Ride-Through Capability

Weng, H., Li, J., Shi, K., Chen, M., Krein, P. T. & Xu, D., Aug 1 2022, In: IEEE Journal of Emerging and Selected Topics in Power Electronics. 10, 4, p. 3617-3630 14 p.

Research output: Contribution to journal › Article › peer-review

An Inductive Power Transfer Charging System With a Multiband Frequency Tracking Control for Misalignment Tolerance

Zhang, Z., Zheng, S., Luo, S., Xu, D., Krein, P. T. & Ma, H., Sep 1 2022, In: IEEE Transactions on Power Electronics. 37, 9, p. 11342-11355 14 p.

Research output: Contribution to journal › Article › peer-review

Inverter Design Considerations for Variable-Pole Induction Machines in Electric Vehicles

Libbos, E., Krause, E., Banerjee, A. & Krein, P. T., Nov 1 2022, In: IEEE Transactions on Power Electronics. 37, 11, p. 13554-13565 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Stochastic power loss analysis of differential power processing

Wang, P., Pilawa Podgurski, R. C. N., Krein, P. & Chen, M., Jan 2022, In: IEEE Transactions on Power Electronics. 37, 1, p. 81-99 19 p.

Research output: Contribution to journal › Article › peer-review

2021

Active Management of Photovoltaic System Variability with Power Electronics

Krein, P. T. & Galtieri, J. A., Dec 1 2021, In: IEEE Journal of Emerging and Selected Topics in Power Electronics. 9, 6, p. 6507-6523 17 p.

Research output: Contribution to journal › Article › peer-review

Analysis, Design, and Implementation of a Spatially Nested Magnetic Integration Method for Inductive Power Transfer Systems

Zhang, Z., Zheng, S., Yao, Z., Xu, D., Krein, P. T. & Ma, H., Jul 2021, In: IEEE Transactions on Power Electronics. 36, 7, p. 7537-7549 13 p., 9296812.

Research output: Contribution to journal › Article › peer-review

A Voltage Vector Residual Estimation Method Based on Current Path Tracking for T-Type Inverter Open-Circuit Fault Diagnosis

Wang, B., Li, Z., Bai, Z., Krein, P. T. & Ma, H., Dec 2021, In: IEEE Transactions on Power Electronics. 36, 12, p. 13460-13477 18 p., 9448412.

Research output: Contribution to journal › Article › peer-review

Minimizing Current in Inductive Power Transfer Systems with an Asymmetrical Factor for Misalignment Tolerance and Wide Load Range

Yao, Z., Zhang, J., Luo, S., Luo, Z., Zheng, S., Li, G., Zhang, Z., Krein, P. T. & Ma, H., Sep 2021, In: IEEE Transactions on Power Electronics. 36, 9, p. 9886-9896 11 p., 9362334.

Research output: Contribution to journal › Article › peer-review

Wide-Load Range Multiobjective Efficiency Optimization Produces Closed-Form Control Solutions for Dual Active Bridge Converter

Zhou, L., Gao, Y., Ma, H. & Krein, P. T., Aug 2021, In: IEEE Transactions on Power Electronics. 36, 8, p. 8612-8616 5 p., 9337193.

Research output: Contribution to journal › Article › peer-review

2020

An Integrated Inductive Power Transfer System Design with a Variable Inductor for Misalignment Tolerance and Battery Charging Applications

Zhang, Z., Zhu, F., Xu, D., Krein, P. T. & Ma, H., Nov 2020, In: IEEE Transactions on Power Electronics. 35, 11, p. 11544-11556 13 p., 9069415.

Research output: Contribution to journal › Article › peer-review

A Redundant Unit to Form T-Type Three-Level Inverters Tolerant of IGBT Open-Circuit Faults in Multiple Legs

Wang, B., Li, Z., Bai, Z., Krein, P. T. & Ma, H., Jan 2020, In: IEEE Transactions on Power Electronics. 35, 1, p. 924-939 16 p., 8693980.

Research output: Contribution to journal › Article › peer-review

Loss Minimization and Maximum Torque-Per-Ampere Operation for Variable-Pole Induction Machines

Libbos, E., Ku, B., Agrawal, S., Tungare, S., Banerjee, A. & Krein, P. T., Sep 2020, In: IEEE Transactions on Transportation Electrification. 6, 3, p. 1051-1064 14 p., 9099876.

Research output: Contribution to journal › Article › peer-review

Open Access

Real-time diagnosis of multiple transistor open-circuit faults in a T-type inverter based on finite-state machine model

Wang, B., Li, Z., Bai, Z., Krein, P. T. & Ma, H., 2020, In: CPSS Transactions on Power Electronics and Applications. 5, 1, p. 74-85 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Recovering Partial Three-Level Operation in a T-Type Inverter with Fault Management Redundant Unit

Wang, B., Li, Z., Dong, M., Bai, Z., Krein, P. T. & Ma, H., Sep 2020, In: IEEE Transactions on Power Electronics. 35, 9, p. 8944-8955 12 p., 8989814.

Research output: Contribution to journal › Article › peer-review

2017

An Analytical Time-Domain Expression for the Net Ripple Produced by Parallel Interleaved Converters

Johnson, B. B. & Krein, P. T., Mar 2017, In: IEEE Transactions on Circuits and Systems II: Express Briefs. 64, 3, p. 289-293 5 p., 7457663.

Research output: Contribution to journal › Article › peer-review

Open Access

Minimization of system-level losses in VSI-based induction motor drives: Offline strategies

Sridharan, S. & Krein, P. T., Mar 1 2017, In: IEEE Transactions on Industry Applications. 53, 2, p. 1096-1105 10 p., 7752804.

Research output: Contribution to journal › Article › peer-review

2016

A 3D finite element analysis of large-scale nonlinear dynamic electromagnetic problems by harmonic balancing and domain decomposition

Yao, W., Jin, J. M. & Krein, P. T., Mar 1 2016, In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 29, 2, p. 166-180 15 p.

Research output: Contribution to journal › Article › peer-review

Multi-timescale parametric electrical battery model for use in dynamic electric vehicle simulations

Cao, Y., Kroeze, R. C. & Krein, P. T., Dec 2016, In: IEEE Transactions on Transportation Electrification. 2, 4, p. 432-442 11 p., 7469782.

Research output: Contribution to journal › Article › peer-review

Photovoltaic Hot-Spot Detection for Solar Panel Substrings Using AC Parameter Characterization

Kim, K. A., Seo, G. S., Cho, B. H. & Krein, P. T., Feb 1 2016, In: IEEE Transactions on Power Electronics. 31, 2, p. 1121-1130 10 p., 7072567.

Research output: Contribution to journal › Article › peer-review

Open Access

Power Electronics Implementation of Dynamic Thermal Inertia to Offset Stochastic Solar Resources in Low-Energy Buildings

Cao, Y., Magerko, J. A., Navidi, T. & Krein, P. T., Dec 2016, In: IEEE Journal of Emerging and Selected Topics in Power Electronics. 4, 4, p. 1430-1441 12 p., 7565466.

Research output: Contribution to journal › Article › peer-review

2015

Converter rating analysis for photovoltaic differential power processing systems

Kim, K. A., Shenoy, P. S. & Krein, P. T., Apr 2015, In: IEEE Transactions on Power Electronics. 30, 4, p. 1987-1997 11 p., 6945409.

Research output: Contribution to journal › Article › peer-review

Induction Machine Characterization for Short-Term or Momentary Stall Torque

Buyukdegirmenci, V. T. & Krein, P. T., May 1 2015, In: IEEE Transactions on Industry Applications. 51, 3, p. 2237-2245 9 p., 6939686.

Research output: Contribution to journal › Article › peer-review

PESC: The Early Years [A Look Back]

Burns, W. T. & Krein, P. T., Sep 2015, IEEE Power Electronics Magazine, 2, 3, p. 12-15 4 p.

Research output: Contribution to specialist publication › Article

Reexamination of Photovoltaic Hot Spotting to Show Inadequacy of the Bypass Diode

Kim, K. A. & Krein, P. T., Sep 1 2015, In: IEEE Journal of Photovoltaics. 5, 5, p. 1435-1441 7 p., 7131428.

Research output: Contribution to journal › Article › peer-review

Open Access

2014

A 0.79 pJ/K-Gate, 83% efficient unified core and voltage regulator architecture for sub/near-threshold operation in 130 nm CMOS

Zhang, S., Tu, J. S., Shanbhag, N. R. & Krein, P. T., Nov 1 2014, In: IEEE Journal of Solid-State Circuits. 49, 11, p. 2644-2657 14 p., 6901296.

Research output: Contribution to journal › Article › peer-review

A finite-element-based domain decomposition method for efficient simulation of nonlinear electromechanical problems

Yao, W., Jin, J. M., Krein, P. T. & Magill, M. P., Jun 2014, In: IEEE Transactions on Energy Conversion. 29, 2, p. 309-319 11 p., 6774426.

Research output: Contribution to journal › Article › peer-review

Evaluation of induction and permanent-magnet synchronous machines using drive-cycle energy and loss minimization in traction applications

Buyukdegirmenci, V. T., Bazzi, A. M. & Krein, P. T., 2014, In: IEEE Transactions on Industry Applications. 50, 1, p. 395-403 9 p., 6524023.

Research output: Contribution to journal › Article › peer-review

High-current AlGaN/GaN high electron mobility transistors achieved by selective-area growth via plasma-assisted molecular beam epitaxy

Pang, L., Krein, P., Kim, K. W., Lee, J. H. & Kim, K., Jan 2014, In: Physica Status Solidi (A) Applications and Materials Science. 211, 1, p. 180-183 4 p.

Research output: Contribution to journal › Article › peer-review

Oscillator-based inverter control for islanded three-phase microgrids

Johnson, B. B., Dhople, S. V., Cale, J. L., Hamadeh, A. O. & Krein, P. T., Jan 2014, In: IEEE Journal of Photovoltaics. 4, 1, p. 387-395 9 p., 6620994.

Research output: Contribution to journal › Article › peer-review

Ripple correlation control: An extremum seeking control perspective for real-time optimization

Bazzi, A. M. & Krein, P. T., 2014, In: IEEE Transactions on Power Electronics. 29, 2, p. 988-995 8 p., 6492253.

Research output: Contribution to journal › Article › peer-review

Synchronization of nonlinear oscillators in an lti electrical power network

Johnson, B. B., Dhople, S. V., Hamadeh, A. O. & Krein, P. T., Mar 2014, In: IEEE Transactions on Circuits and Systems I: Regular Papers. 61, 3, p. 834-844 11 p., 6701226.

Research output: Contribution to journal › Article › peer-review

Synchronization of parallel single-phase inverters with virtual oscillator control

Johnson, B. B., Dhople, S. V., Hamadeh, A. O. & Krein, P. T., Nov 2014, In: IEEE Transactions on Power Electronics. 29, 11, p. 6124-6138 15 p., 6692879.

Research output: Contribution to journal › Article › peer-review

System-level optimization of switched-capacitor VRM and core for sub/near-V_t computing

Zhang, S., Shanbhag, N. R. & Krein, P. T., Sep 1 2014, In: IEEE Transactions on Circuits and Systems II: Express Briefs. 61, 9, p. 726-730 5 p., 6837454.

Research output: Contribution to journal › Article › peer-review

2013

A dual-primal finite-element tearing and interconnecting method combined with tree-cotree splitting for modeling electromechanical devices

Yao, W., Jin, J. M. & Krein, P. T., Mar 2013, In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 26, 2, p. 151-163 13 p.

Research output: Contribution to journal › Article › peer-review

A dynamic photovoltaic model incorporating capacitive and reverse-bias characteristics

Kim, K. A., Xu, C., Jin, L. & Krein, P. T., 2013, In: IEEE Journal of Photovoltaics. 3, 4, p. 1334-1341 8 p., 6584777.

Research output: Contribution to journal › Article › peer-review

Application of the LU recombination method to the FETI-DP method for solving low-frequency multiscale electromagnetic problems

Yao, W., Jin, J. M. & Krein, P. T., 2013, In: IEEE Transactions on Magnetics. 49, 10, p. 5346-5355 10 p., 6517909.

Research output: Contribution to journal › Article › peer-review

Coupled-inductor filter: A basic filter building block

Balog, R. S. & Krein, P. T., 2013, In: IEEE Transactions on Power Electronics. 28, 1, p. 537-546 10 p., 6145773.

Research output: Contribution to journal › Article › peer-review

Differential power processing for DC systems

Shenoy, P. S. & Krein, P. T., Apr 2013, In: IEEE Transactions on Power Electronics. 28, 4, p. 1795-1806 12 p.

Research output: Contribution to journal › Article › peer-review

Philip T Krein

Research output

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