Soft-switching voltage-edge-rate-limiting power inverter

Wasynczuk, Oleg; Cai, Minyu

Soft-switching voltage-edge-rate-limiting power inverter

Patent · Mon Dec 13 23:00:00 EST 2021

OSTI ID:1860175

Wasynczuk, Oleg; Cai, Minyu

An auxiliary resonant soft-edge pole inverter circuit is provided. The power inverter circuitry may include a first pair of capacitors in parallel with a corresponding pair of main power switching modules, each power switching module comprising a switch and a diode in parallel and sharing a common central node with the first pair of capacitors. The power inverter circuit may further include a first pair of auxiliary switches connected in series with a first pair of inductors, respectively, to generate resonant current from a DC power source, the first pair of inductors also sharing the common central node. The power inverter circuitry may further include a second pair of auxiliary switches connected in series with a second pair of capacitors, respectively, the second pair of auxiliary switches also sharing the common central node, the circuit producing an alternating current output at the common central node.

Research Organization:: Purdue University, West Lafayette, IN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0005568

Assignee:: Purdue Research Foundation (West Lafayette, IN)

Patent Number(s):: 11,201,562

Application Number:: 16/887,013

OSTI ID:: 1860175

Country of Publication:: United States

Language:: English

References (5)

Experimental investigation of the performance of two new types of soft-switching power converters for electric ships Engelkemeir, F. D.; Gattozzi, A. L.; Herbst, J. D. 2015 IEEE Electric Ship Technologies Symposium (ESTS) https://doi.org/10.1109/ESTS.2015.7157901	conference	June 2015
A novel prototype of auxiliary edge resonant bridge leg link snubber-assisted soft-switching sine-wave PWM inverter Nakamura, Mantaro; Yamazaki, Takayuki; Fujii, Yuma Electrical Engineering in Japan, Vol. 155, Issue 4 https://doi.org/10.1002/eej.20207	journal	January 2006
Design of 400V class inverter drive using SiC 6-in-1 power module Shirabe, Kohei; Swamy, Mahesh; Kang, Jun-koo 2013 IEEE Energy Conversion Congress and Exposition (ECCE) https://doi.org/10.1109/ECCE.2013.6647003	conference	September 2013
The auxiliary resonant commutated pole converter De Doncker, R. W.; Lyons, J. P. Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting https://doi.org/10.1109/IAS.1990.152341	conference	January 1990
Development of an Active dv/dt Control Algorithm for Reducing Inverter Conducted EMI with Minimal Impact on Switching Losses Kagerbauer, Joshua D.; Jahns, T. M. 2007 IEEE Power Electronics Specialists Conference https://doi.org/10.1109/PESC.2007.4342107	conference	June 2007

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Soft-switching voltage-edge-rate-limiting power inverter

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