20152020
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Research Output 2015 2020

  • 10 Conference contribution
  • 4 Article
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Conference contribution
2019

A 6-level flying capacitor multi-level converter for single phase buck-type power factor correction

Candan, E., Stillwell, A., Brooks, N. C., Abramson, R. A., Strydom, J. & Pilawa-Podgurski, R. C. N., May 24 2019, 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1180-1187 8 p. 8722199. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2019-March).

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

Capacitors
Heat sinks
Transistors
Electric potential
2018

Constant Effective Duty Cycle Control for Flying Capacitor Balancing in flying Capacitor Multi-Level Converters

Stillwell, A., Candan, E. & Pilawa-Podgurski, R. C. N., Sep 10 2018, 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018. Institute of Electrical and Electronics Engineers Inc., 8460000. (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018).

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

Capacitor
Converter
Balancing
Capacitors
Cycle

Design of a 1 kV bidirectional DC-DC converter with 650 v GaN transistors

Stillwell, A., Blackwell, M. E. & Pilawa-Podgurski, R. C. N., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., p. 1155-1162 8 p. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2018-March).

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

DC-DC converters
Transistors
Capacitors
Zero voltage switching
Electric potential

Dynamic Level Selection for Full Range ZVS in Flying Capacitor Multi-Level Converters

Blackwell, M. E., Stillwell, A. & Pilawa-Podgurski, R. C. N., Sep 10 2018, 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018. Institute of Electrical and Electronics Engineers Inc., 8460086. (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018).

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

Zero voltage switching
Capacitor
Converter
Capacitors
Voltage
2017

A 5-level flying capacitor multi-level converter with integrated auxiliary power supply and start-up

Stillwell, A., Robert, C. N. & Pilawa-Podgurski, May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2932-2938 7 p. 7931113. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

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

Capacitors
Power converters
Voltage measurement
Electric potential
Switches
2016

A 2 kW, single-phase, 7-level, GaN inverter with an active energy buffer achieving 216 W/in3 power density and 97.6% peak efficiency

Lei, Y., Barth, C., Qin, S., Liu, W. C., Moon, I., Stillwell, A., Chou, D., Foulkes, T., Ye, Z., Liao, Z. & Pilawa Podgurski, R. C. N., May 10 2016, 2016 IEEE Applied Power Electronics Conference and Exposition, APEC 2016. Institute of Electrical and Electronics Engineers Inc., p. 1512-1519 8 p. 7468068. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2016-May).

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

Capacitors
Specifications
Domestic appliances
Energy harvesting
Electromagnetic compatibility

A method to extract low-voltage auxiliary power from a flying capacitor multi-level converter

Stillwell, A., Lei, Y. & Pilawa Podgurski, R. C. N., Aug 30 2016, 2016 IEEE 17th Workshop on Control and Modeling for Power Electronics, COMPEL 2016. Institute of Electrical and Electronics Engineers Inc., 7556747. (2016 IEEE 17th Workshop on Control and Modeling for Power Electronics, COMPEL 2016).

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

Low Voltage
Capacitor
Converter
Capacitors
Electric potential

An interleaved 1-to-6 step-up resonant switched-capacitor converter utilizing split-phase control

Stillwell, A., Heeger, D., Meyer, C., Bedair, S. & Pilawa-Podgurski, R. C. N., Jan 1 2016, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854854. (ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings).

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

Phase control
Capacitor
Converter
Capacitors
High Power

A reliability assessment of series-stacked servers with server-to-bus differential power processing

Candan, E., Stillwell, A. & Pilawa Podgurski, R. C. N., Nov 18 2016, 2016 IEEE International Telecommunications Energy Conference, INTELEC 2016. Institute of Electrical and Electronics Engineers Inc., 7749094. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2016-November).

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

Servers
Processing
Cloud computing
Electric power utilization
Industry
2015

A resonant switched-capacitor converter with GaN transistors for series-stacked processors with 99.8% power delivery efficiency

Stillwell, A. & Pilawa Podgurski, R. C. N., Oct 27 2015, 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., p. 563-570 8 p. 7309739. (2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015).

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

Transistors
Capacitors
Processing
Ladders
Switching frequency