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Inverter Drives Adopting the Two-Phase Space Vector SRP-PWM Scheme with Fixed Switching Frequency  

정영국 (대불대학교 컴퓨터정보공학부)
위석오 (한국천문연구원)
임영철 (전남대학교 전기공학과)
양승학 (호남대학교 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.8, no.3, 2003 , pp. 230-238 More about this Journal
Abstract
In this paper, Inverter drives adopting 2 phase space vector SRP-PWM (Separately Randomized Pulse Position PWM) with fixed switching frequency is proposed. The proposed 2 phase space vector SRP-PWM scheme is based on the 3 phase SRP-PWM. In the proposed SRP-PWM scheme, each of two phase pulses is located randomly in each switching interval. The experimental results show that the voltage and acoustic noise harmonics are spread to a wide band area. Also, the performance of the proposed 2 phase SRP-PWM and the conventional center aligned SVM are compared to each other. In result, the speed response is nearly similar to each other from the viewpoint of the v/f constant control.
Keywords
SRP-PWM (Separately Randomized Pulse Position PWM); Inverter Drives; Acoustic Noise; Speed Feedback System;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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