The relay protection of power supply system in a coal mine is of great importance to safe production of the mine.In this paper, the author advances some views on the management of the relay protection of power supply system according to his experience from the management of mechanical and electrical equipment and site work in many years, which can be as reference for the persons of the same occupation.%结合本单位 6kV供电系统继电保护的设置，就如何加强管理等问题提出了一些看法，供同行参考。
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