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分析了目前国内660V单台大容量变压器供配电系统中存在的安全隐患,提出了解决方案,并结合现场实例进行了详细的论证。同时也对我国科研机构等相关单位提出了期望,希望国产高分断能力的塑壳断路器能尽早问世。
This paper analyzes the potential safety problems existing in the power supply and distribution system of a single 660V single-capacity transformer in China and puts forward the solutions. The case studies are given in detail. At the same time, China’s scientific research institutions and other related units also put forward their expectations, hope that the domestic high breaking capacity of molded case circuit breakers can come out as soon as possible.