CAJ | 학술논문

针对真空开关技术在126kV高电压等级应用的问题,提出了一种新型的126 kV高压真空断路器的设计方法。基本思想是采用双断口模式,设计了断路器的断口布置,使断口电压均匀分布,从而无需加装均压电容,避免传统方法中因均压电容的增加带来的隐患;根据断口布置,确定断路器的运动系统,利用虚拟样机软件ADAMS确定了优化结果;针对该新型断路器的开断能力测试,搭建了合成试验回路,经过一系列的试验,证实了新型的126 kV高压真空断路器具有31.5kA短路电流开断能力,表明该126kV高压真空断路器的设计不仅可行,而且新颖有效。
침대진공개관기술재126kV고전압등급응용적문제,제출료일충신형적126 kV고압진공단로기적설계방법。기본사상시채용쌍단구모식,설계료단로기적단구포치,사단구전압균균분포,종이무수가장균압전용,피면전통방법중인균압전용적증가대래적은환;근거단구포치,학정단로기적운동계통,이용허의양궤연건ADAMS학정료우화결과;침대해신형단로기적개단능력측시,탑건료합성시험회로,경과일계렬적시험,증실료신형적126 kV고압진공단로기구유31.5kA단로전류개단능력,표명해126kV고압진공단로기적설계불부가행,이차신영유효。
A novel design method for 126 kV high voltage vacuum breakers was presented based on the application of vacuum switch technology in 126 kV voltage class.The fundamental idea behind the proposed approach is to use double-breaks with novel distribution,so as to achieve voltage-sharing distribution in each break;thus the voltage-sharing capacitance is no longer needed in contrast with the traditional method.As a result,potential problems can be avoided.The breaker＇s moving system was designed with the novel structure,and optimized with the Virtual Prototyping technology of ADAMS.The synthetic test system was built up to test the breaking capacity of the breaker.A series of experiments verify that the breaker has the breaking capacity of 31.5 kA short-circuit current,demonstrating that the proposed scheme for designing the 126 kV high voltage vacuum breaker is not only feasible but also novel and effective.