NDLI: A novel safe shutdown strategy for matrix converter even under fault condition

Content Provider	IEEE Xplore Digital Library
Author	Lina Wang Fuyuan Xu Kai Sun Lipei Huang
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Lina Wang; Fuyuan Xu; Kai Sun; Lipei Huang)
Abstract	The reliability of power electronic devices is of paramount importance in practical application. This paper firstly presents detailed fault condition of the matrix converter-induction motor drive system. Then a novel protection strategy is proposed. The key of the proposed protection strategy is to provide a controlled free-wheeling path for the motor currents when a fault happens. By using the new protection strategy, the motor currents can be reduced to zero as soon as possible, while the safety of the semiconductors is assured. In order to avoid unexpected overvoltage fault, a clamp circuit is still needed. But in cooperation with the proposed protection strategy, the capacitance requirement of the capacitor in the protection circuit is small. And the use of an electrolytic type can be avoided. In the end, the simulation and experimental results validate the proposed strategy.
Starting Page	1786
Ending Page	1790
File Size	767504
Page Count	5
File Format	PDF
ISBN	0780389751
DOI	10.1109/APEC.2005.1453289
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Matrix converters Circuit faults Power system protection Power system reliability Power electronics Motor drives Safety Voltage control Clamps Capacitance
Content Type	Text
Resource Type	Article

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