NDLI: An inrush current mitigation approach of The output transformer for inverter

Content Provider	IEEE Xplore Digital Library
Author	Zhi Chen Xuejun Pei Li Peng Shunchao Wang
Copyright Year	2015
Description	Author affiliation: State Key Lab. of Adv. Electromagn. Eng. & Technol. (AEET), Huazhong Univ. of Sci. & Technol. (HUST), Wuhan, China (Zhi Chen; Xuejun Pei; Li Peng; Shunchao Wang)
Abstract	When a short circuit fault occurs on the load side of inverter, the control system based on hardware and software current limiting strategy can confine output currents to a certain value. In order to shorten outage time, output voltages should be restored to rated value as soon as possible after the fault is cleared by the circuit breaker of the faulty branch. However, the voltage recovery may cause significant inrush current phenomenon because of magnetic saturation of the output transformer. The high inrush current could lead to voltage distortion and even trigger the protection mechanism. To effectively eliminate the inrush current, this paper proposes an inrush current mitigation approach for three-phase inverter. The phase angle of recovery voltage is controlled so that it is equal to that of fault occurring, which is detected and saved utilizing the double synchronous rotating d-q transformation algorithm. Both simulation and experimental results are provided to demonstrate the feasibility of this method.
Starting Page	2295
Ending Page	2300
File Size	1700295
Page Count	6
File Format	PDF
ISBN	9781479967353
DOI	10.1109/APEC.2015.7104669
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-03-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit faults Surges Surge protection Inverters Voltage measurement Control systems Voltage control mitigation short circuit inverter inrush current
Content Type	Text
Resource Type	Article

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