高电压技术2018，Vol.44Issue(2)：380-387,8.DOI:10.13336/j.1003-6520.hve.20180131006
耦合型机械式高压直流断路器设计及仿真
Design and Simulation of Coupling Mechanical High Voltage DC Circuit Breaker
陈名 1徐惠 2张祖安 1黎小林 1饶宏 1袁召2
作者信息
- 1. 南方电网科学研究院有限责任公司,广州510080
- 2. 华中科技大学强电磁工程与新技术国家重点实验室,武汉430074
- 折叠
摘要
Abstract
Using high voltage DC circuit breakers (DCCBs) has become the key technology of establishing and developing multi-terminal DC power grid.So,we proposed a structure scheme of a new type of mechanical DC circuit breaker to overcome the deficiencies of traditional mechanical hybrid DC breaker,and analyzed its working principle.Based on the Nan'ao 160 kV VSC-HVDC transmission system,the PSCAD simulation model was built and the breaking simulation under different currents was carried out.Compared with the simulation results of traditional mechanical DC breaker,its technical characteristics and technical advantages of high breaking reliability and low voltage level of key parts were analyzed.A 20 kV DCCB prototype module has been built and 1.8～2.3 kA current breaking test results have verified the breaking principle of the topology.The simulation and test results prove that the coupling mechanical DC breaking scheme can reduce the voltage level of trigger switch and pre-charging device,ensure the reliability of bidirectional breaking,and achieve the unity of reliability and economy.关键词
直流电网/机械式直流断路器/耦合电抗器/PSCAD仿真/开断试验Key words
DC power network/mechanical DC circuit breaker/coupling reactor/PSCAD simulation/breaking test引用本文复制引用
陈名,徐惠,张祖安,黎小林,饶宏,袁召..耦合型机械式高压直流断路器设计及仿真[J].高电压技术,2018,44(2):380-387,8.
