Synthetic test circuit with two‐level voltage source for HVDC circuit breakers-Reference-Cited by-同舟云学术

Synthetic test circuit with two‐level voltage source for HVDC circuit breakers

Published:2023-03-23 Issue:8 Volume:17 Page:1857-1869
ISSN:1751-8687
Container-title:IET Generation, Transmission & Distribution
language:en
Short-container-title:IET Generation Trans & Dist

Author:

Xiu Shixin¹,Long Zhisong¹,Qin Ke¹,Jia Shenli¹²,Tang Qiang¹,Shi Zongqin¹,Zhang Feifan¹

Affiliation:

1. State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University Xi'an People's Republic of China

2. College of Electrical Engineering Sichuan University Chengdu People's Republic of China

Abstract

AbstractIn order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification. In this paper, the interruption process of the HVDC CB is analyzed, and the equivalent requirements for the breaking test of HVDC CB are summarized. In the breaking test of high voltage and high current, the transient interruption voltage (TIV) duration is short, which leads to insufficient voltage stress. A new synthetic test circuit for testing the interruption performance of HVDC CBs is proposed, which can solve the problem of insufficient TIV duration caused by insufficient test capacity. Subsequently, the working principle of the test circuit is introduced in detail and the design method of the circuit parameters is given. The short‐circuit current breaking test simulation of HVDC CB is carried out. The simulation results fit most well with the results of actual test cases, which verifies the universality of this test method. Finally, a test platform is built to verify the principle of the test circuit. TIV rose to 2.5 kV compared to the predetermined system voltage of 1.67 kV during the test, which means that the key stress provided by the test circuit can meet the expected requirements.

Funder

National Natural Science Foundation of China

Publisher

Institution of Engineering and Technology (IET)

Subject

Electrical and Electronic Engineering,Energy Engineering and Power Technology,Control and Systems Engineering

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1049/gtd2.12823

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