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  • Philip T Krein
2015

Voltage regulation of a series-stacked system of processors by differential power processing

Das, D. & Krein, P. T., Sep 1 2015, 2015 IEEE 16th Workshop on Control and Modeling for Power Electronics, COMPEL 2015. Institute of Electrical and Electronics Engineers Inc., 7236445. (2015 IEEE 16th Workshop on Control and Modeling for Power Electronics, COMPEL 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Designing solar arrays to account for reduced performance from self-shading

Galtieri, J. & Krein, P. T., Mar 20 2015, 2015 IEEE Power and Energy Conference at Illinois, PECI 2015. Institute of Electrical and Electronics Engineers Inc., 7064935. (2015 IEEE Power and Energy Conference at Illinois, PECI 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

A single-stage three-phase AC module for high-voltage photovoltaics

Johnson, B., Krein, P. T., Zheng, Z. & Lentine, A., Apr 30 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 885-891 7 p. 6165923. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Utilization of median filters in power electronics: Traction drive applications

Bazzi, A. M. & Krein, P. T., Jul 1 2013, 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2013. p. 3055-3060 6 p. 6520735. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 journalArticle

2013

Development of closed-form solutions for fast thermal modeling of rotating electric machinery

Buyukdegirmenci, V. T., Magill, M. P., Nategh, S. & Krein, P. T., Aug 22 2013, Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013. p. 832-838 7 p. 6556189. (Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Differential power processing for efficiency and performance leaps in utility-scale photovoltaics

Shenoy, P. S., Kim, K. A., Krein, P. T. & Chapman, P. L., Nov 26 2012, Program - 38th IEEE Photovoltaic Specialists Conference, PVSC 2012. p. 1357-1361 5 p. 6317852. (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

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 journalArticle

2013

A fast and flexible analytical approach for thermal modeling of a linear stator structure

Buyukdegirmenci, V. T., Nategh, S., Magill, M. P. & Krein, P. T., Aug 22 2013, Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013. p. 793-800 8 p. 6556184. (Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

System-level power loss sensitivity to various control variables in vector-controlled induction motor drives

Bazzi, A. M., Buyukdegirmenci, V. T. & Krein, P. T., Apr 30 2012, APEC 2012 - 27th Annual IEEE Applied Power Electronics Conference and Exposition. p. 1619-1624 6 p. 6166037. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

An overview of loss minimization methods in machines

Bazzi, A. M. & Krein, P. T., 2013, Electrical Manufacturing and Coil Winding Expo 2010-2013. p. 13-18 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Review of charging power levels and infrastructure for plug-in electric and hybrid vehicles

Yilmaz, M. & Krein, P. T., May 15 2012, 2012 IEEE International Electric Vehicle Conference, IEVC 2012. 6183208. (2012 IEEE International Electric Vehicle Conference, IEVC 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Impact of differential power processing on inter-row shading in solar arrays

Galtieri, J. & Krein, P. T., Sep 1 2015, 2015 IEEE 16th Workshop on Control and Modeling for Power Electronics, COMPEL 2015. Institute of Electrical and Electronics Engineers Inc., 7236461

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

Opportunities for photovoltaic system operation below parity: Costs and benefits of active grid support

Magerko, J. A. & Krein, P. T., Nov 18 2016, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., p. 2025-2029 5 p. 7749984. (Conference Record of the IEEE Photovoltaic Specialists Conference; vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2011

Small inverter-interfaced distributed energy resources for reactive power support

Domínguez-García, A. D., Hadjicostis, C. N., Krein, P. T. & Cady, S. T., May 13 2011, 2011 26th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2011. p. 1616-1621 6 p. 5744811. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Photovoltaic hot spot mitigation using voltage-threshold control at the panel level

Kim, K. A., Ehlmann, J. & Krein, P. T., Jul 27 2015, 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 1916-1921 6 p. 7168040. (9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

An average modeling approach for mobile refrigeration hybrid power systems with improved battery simulation

Cao, Y. & Krein, P. T., Sep 16 2013, 2013 IEEE Transportation Electrification Conference and Expo: Components, Systems, and Power Electronics - From Technology to Business and Public Policy, ITEC 2013. 6574501. (2013 IEEE Transportation Electrification Conference and Expo: Components, Systems, and Power Electronics - From Technology to Business and Public Policy, ITEC 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

Control for high momentary torque from vector-controlled induction machines

Buyukdegirmenci, V. T. & Krein, P. T., Feb 16 2016, Proceedings - 2015 IEEE International Electric Machines and Drives Conference, IEMDC 2015. Institute of Electrical and Electronics Engineers Inc., p. 897-903 7 p. 7409167. (Proceedings - 2015 IEEE International Electric Machines and Drives Conference, IEMDC 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

System-level loss minimization of VSI-based induction motor drives

Sridharan, S. & Krein, P. T., Feb 16 2016, Proceedings - 2015 IEEE International Electric Machines and Drives Conference, IEMDC 2015. Institute of Electrical and Electronics Engineers Inc., p. 1761-1767 7 p. 7409302. (Proceedings - 2015 IEEE International Electric Machines and Drives Conference, IEMDC 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

The load as an energy asset in a distributed DC smartgrid architecture

Balog, R. S., Weaver, W. W. & Krein, P. T., Mar 1 2012, In : IEEE Transactions on Smart Grid. 3, 1, p. 253-260 8 p., 6064918.

Research output: Contribution to journalArticle

2013

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

Yao, W., Jin, J. & Krein, P. T., Oct 4 2013, In : IEEE Transactions on Magnetics. 49, 10, p. 5346-5355 10 p., 6517909.

Research output: Contribution to journalArticle

An efficient domain decomposition method for 3-D finite element analysis of nonlinear electric machine problems

Yao, W., Jin, J. M. & Krein, P. T., Aug 22 2013, Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013. p. 709-715 7 p. 6556171. (Proceedings of the 2013 IEEE International Electric Machines and Drives Conference, IEMDC 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

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 journalArticle

2011

Gaining vehicle-to-grid benefits with unidirectional electric and plug-in hybrid vehicle chargers

Fasugba, M. A. & Krein, P. T., Nov 7 2011, 2011 IEEE Vehicle Power and Propulsion Conference, VPPC 2011. 6043207. (2011 IEEE Vehicle Power and Propulsion Conference, VPPC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Review of benefits and challenges of vehicle-to-grid technology

Yilmaz, M. & Krein, P. T., Dec 17 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 3082-3089 8 p. 6342356. (2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 journalArticle

2012

Analysis of electromechanical problems using the dual-primal finite element tearing and interconnecting method

Yao, W., Jin, J. & Krein, P. T., May 17 2012, 2012 IEEE Power and Energy Conference at Illinois, PECI 2012. 6184595. (2012 IEEE Power and Energy Conference at Illinois, PECI 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2019

One year submillisecond fast solar database: Collection, investigation, and application

Cao, Y., Magerko, J. A., Serna, R., Qin, S., Pilawa-Podgurski, R. C. N. & Krein, P. T., Sep 2019, 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019. Institute of Electrical and Electronics Engineers Inc., p. 2047-2053 7 p. 8913161. (2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2016

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 journalArticle

2018

Building a Path Toward Ubiquitous Plug-in Vehicle Charging Infrastructure

Krein, P. T., Aug 28 2018, 2018 IEEE Transportation and Electrification Conference and Expo, ITEC 2018. Institute of Electrical and Electronics Engineers Inc., p. 815-820 6 p. 8450224. (2018 IEEE Transportation and Electrification Conference and Expo, ITEC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Markov reliability modeling for induction motor drives under field-oriented control

Bazzi, A. M., Dominguez-Garcia, A. & Krein, P. T., Jan 16 2012, In : IEEE Transactions on Power Electronics. 27, 2, p. 534-546 13 p., 6021377.

Research output: Contribution to journalArticle

2013

Photovoltaic hot spot analysis for cells with various reverse-bias characteristics through electrical and thermal simulation

Kim, K. A. & Krein, P. T., 2013, 2013 IEEE 14th Workshop on Control and Modeling for Power Electronics, COMPEL 2013. 6626399

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2012

Minimum energy and capacitance requirements for single-phase inverters and rectifiers using a ripple port

Krein, P. T., Balog, R. S. & Mirjafari, M., Jul 3 2012, In : IEEE Transactions on Power Electronics. 27, 11, p. 4690-4698 9 p., 6145693.

Research output: Contribution to journalArticle

2014

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 journalArticle

2012

Review of integrated charging methods for plug-in electric and hybrid vehicles

Yilmaz, M. & Krein, P. T., Oct 12 2012, 2012 IEEE International Conference on Vehicular Electronics and Safety, ICVES 2012. p. 346-351 6 p. 6294276. (2012 IEEE International Conference on Vehicular Electronics and Safety, ICVES 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Differential power processing for increased energy production and reliability of photovoltaic systems

Shenoy, P. S., Kim, K. A., Johnson, B. B. & Krein, P. T., Nov 14 2013, In : IEEE Transactions on Power Electronics. 28, 6, p. 2968-2979 12 p.

Research output: Contribution to journalArticle

2016

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 journalArticle

2014

Low-cost solar simulator design for multi-junction solar cells in space applications

Kim, K. A., Dostart, N., Huynh, J. & Krein, P. T., Jan 1 2014.

Research output: Contribution to conferencePaper

2016

Energy improvements from subpanel DC-DC converters in PV arrays with distributed mismatch

Galtieri, J. & Krein, P. T., Nov 18 2016, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., p. 3213-3218 6 p. 7750259. (Conference Record of the IEEE Photovoltaic Specialists Conference; vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Fault modeling and simulation for more-electric aircraft systems

Mak, C., Sridharan, S. & Krein, P. T., Sep 1 2015, 2015 IEEE 16th Workshop on Control and Modeling for Power Electronics, COMPEL 2015. Institute of Electrical and Electronics Engineers Inc., 7236524. (2015 IEEE 16th Workshop on Control and Modeling for Power Electronics, COMPEL 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2019

Variable-pole induction machine drive for electric vehicles

Libbos, E., Ku, B., Agrawal, S., Tungare, S., Banerjee, A. & Krein, P. T., May 2019, 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019. Institute of Electrical and Electronics Engineers Inc., p. 515-522 8 p. 8785212. (2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

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 publicationArticle

2012

Near-null response to large-signal transients in an augmented buck converter: A geometric approach

Kapat, S., Shenoy, P. S. & Krein, P. T., Apr 19 2012, In : IEEE Transactions on Power Electronics. 27, 7, p. 3319-3329 11 p., 6111490.

Research output: Contribution to journalArticle

2013

Hot spotting and second breakdown effects on reverse I-V characteristics for mono-crystalline Si Photovoltaics

Kim, K. A. & Krein, P. T., Dec 31 2013, 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013. p. 1007-1014 8 p. 6646813. (2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Dynamic filtering of stochastic solar resources using HVAC drive control - A determination of feasible bandwidth

Cao, Y., Magerko, J. A., Navidi, T. & Krein, P. T., Oct 27 2015, 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., p. 3127-3134 8 p. 7310098. (2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2014

System-level optimization of switched-capacitor VRM and core for sub/near-Vt 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 journalArticle

2011

Power delivery for series connected voltage domains in digital circuits

Shenoy, P. S., Fedorov, I., Neyens, T. & Krein, P. T., 2011, 2011 International Conference on Energy Aware Computing, ICEAC 2011. 6136698

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2015

Modular switched-capacitor DC-DC converters tied with lithium-ion batteries for use in battery electric vehicles

Cao, Y., Lei, Y., Pilawa-Podgurski, R. C. N. & Krein, P. T., Oct 27 2015, 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., p. 85-91 7 p. 7309673

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2011

Control for high instantaneous torque from induction machines: Methods and limits

Buyukdegirmenci, V. T. & Krein, P. T., Sep 14 2011, 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011. p. 777-782 6 p. 5994910. (2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2017

A high-performance permanent-magnet-free machine for wide load ranges

Xu, L., Wang, H. & Krein, P. T., Aug 3 2017, 2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017. Institute of Electrical and Electronics Engineers Inc., 8002080. (2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution