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Input Parallel Output Parallel QRC fed DC Servo Drive
Abstract
This paper deals with simulation of input parallel,
output parallel QRC fed DC servo drive. The salient feature of QRC is that the switching devices can be either switched on at zero voltage or switched off at zero current, so that switching losses are zero ideally. Switching stresses are low, volumes are low and the power density is high. This property imparts high efficiency and high power
density to the converters. The output of QRC is regulated by varying the switching frequency of the converter. Hence it is called Frequency modulated Zero current/zero voltage switching quasi resonant converter. The aim of this work is to study the performance of input parallel output parallel QRC fed DC servo drive. Simulation results show that the ZCS-QRC’s have low total harmonic distortion.
Input parallel output parallel QRC fed DC servo drive is simulated and the results are presented. This converter is proposed for DC servo motors with higher power rating. The simulation results are compared
with analytical results.
Keywords
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