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1 Prace Naukowe Instytutu Maszyn, Napędów i Pomiarów Elektrycznych Politechniki Wrocławskiej. Studia i Materiały
1 Scientific Papers of The Institute of Electrical Machines, Drives and Measurements of the Wrocław University of Science and Technology Series: Studies and Research

1 2009

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Design of high current fast switching power stage for pmsm servodrives

Nalepa R., Muckian J., Levy H., Kearney M.

Prace Naukowe Instytutu Maszyn, Napędów i Pomiarów Elektrycznych Politechniki Wrocławskiej. Studia i Materiały

2009

Vol. 63, nr 29

439-446

Practical design and implementation of high performance and high reliability, dual axes, MOSFETs based Voltage Source Inverter (VSI) for two 28 V/500 Apk PMSMs is presented in this paper. An existing drive system based on IGBTs was used as the start point for this work. New power end is presented in brief. Main parasitic components of the power amplifier are identified and discussed. Locations for a standard R and C snubber components are included. Simple and reliable short circuit protection solution for paralleled MOSFETs is presented and its performance is analyzed over wide operating temperature range. Design solutions and experimental results are included and discussed.