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Title: Investigation of the voltage collapse mechanism in three-phase PWM rectifiers
Authors: Han, Xiaoqing
Ren, Chunguang
Yang, Yu
Wang, Peng
Li, Huipeng
Keywords: Stability Boundary
DRNTU::Engineering::Electrical and electronic engineering
Non-ideal Circuit Parameters
Issue Date: 2017
Source: Ren, C., Li, H., Yu, Y., Han, X., & Wang, P. (2017). Investigation of the voltage collapse mechanism in three-phase PWM rectifiers. Journal of Power Electronics, 17(5), 1268-1277. doi:10.6113/JPE.2017.17.5.1268
Series/Report no.: Journal of Power Electronics
Abstract: Three-phase pulse width modulation (PWM) rectifiers are usually designed under the assumption of ideal ac power supply and input inductance. However, non-ideal circuit parameters may lead to a voltage collapse of PWM rectifiers. This paper investigates the mechanism of voltage collapse in three-phase PWM rectifiers. An analytical stability boundary expression is derived by analyzing the equilibrium point of the averaging state space model, which can not only accurately locate the voltage collapse boundary in the circuit parameter domain, but also reveal the essential characteristic of the voltage collapse. Results are obtained and compared with those of the trial-error method and the Jacobian method. Based on the analysis results, the system parameters can be divided into two categories. One of these categories affects the critical point, and other affects only the instability process. Furthermore, an effective control strategy is proposed to prevent a vulnerable system from being driven into the instability region. The analysis results are verified by the experiments.
ISSN: 1598-2092
DOI: 10.6113/JPE.2017.17.5.1268
Schools: School of Electrical and Electronic Engineering 
Rights: © 2017 KIPE. This paper was published in Journal of Power Electronics and is made available as an electronic reprint (preprint) with permission of KIPE. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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