Open AccessDesign and test of a new kind of coupling mechanical HVDC circuit breaker
Author(s) -
Liu Liming,
Yuan Zhao,
Xu Hui,
Chen Lixue,
He Junjia,
Pan Yuan,
Cen Yishun
Publication year - 2019
Publication title -
iet generation, transmission and distribution
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.92
H-Index - 110
eISSN - 1751-8695
pISSN - 1751-8687
DOI - 10.1049/iet-gtd.2018.5658
Subject(s) - circuit breaker , transient recovery voltage , transformer , electrical engineering , voltage , interrupt , engineering , transient (computer programming) , coupling (piping) , high voltage , computer science , voltage source , mechanical engineering , transmission (telecommunications) , dropout voltage , operating system
In this paper, a new kind of coupling mechanical high‐voltage direct current (HVDC) circuit breaker topology based on pulse transformer is proposed and its working principle is analysed in detail. On the basis of the requirement of 160 kV rated voltage, and 9 kA breaking current, the varying trend and design principle of parameters are given by the theoretical calculation. The prototype design of 160 kV HVDC circuit breaker is completed and type test passes. Results prove that the prototype of 160 kV HVDC circuit breaker has natural bi‐directional breaking capacity. It can interrupt the current below 9 kA and withstand transient interruption voltage 272 kV. The breaking time is <5 ms.