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ABB Models Earthing Switches to Improve Generator Circuit Breakers

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Francesco Agostini, Alberto Zanetti, Jean-Claude Mauroux, ABB, Switzerland

ABB 集团是电气化产品与电网技术领域的领导者。他们研发的发电机断路器(generator circuit breaker)为世界各地的发电厂提供安全防护。为了保护电网与发电厂免遭损坏,必要时发电机断路器需要在几十毫秒内切断短路电流。接地开关是防护系统的关键设计,其作用是将系统的带电部分接地。ABB 的工程师使用多物理场仿真模拟接地开关中的电流与电磁力,保证开关符合国际电工委员会制定的电流承载能力标准。

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