摘要
本文对锡矿山矿务局南矿空压机房３５０ｋＷ、６ｋＶ高压同步电动机阻尼铜条断裂的原因进行了分析，并提出对于在已出现高温的电机等类型的金属设备上灭火时应慎用以钠盐为基料的干粉灭火器的建议。
According to the analysis of breaking of damperbar in the high voltage (6kV, 350kW) synchronous motorswhich operate in air-compressing center of the North Mine,Tin Mining Bureau, this paper puts forward the suggestion: becareful in using powder-fire-extinquishers with sodium as thebasic material to extinquish the fire on such metal equipmentas the motors.
