美国JOY公司7LS3采煤机中的电气回路保护

Electric circuit protection of TLS3 type coal-winning machine by USAJOY CO.

本文探讨美国久益 7LS采煤机先进的电气回路保护。通过电流传感器、电阻温度装置 (RTD)和牵引电机断路器 ,有效地保护电路 ,防止了过载。

This article describes the circuit protection of 7LS shearer of American Joy Company.The shearers are protected by current sensors,resistive temperature devices(RTDs)and the haulage circuit breaker from overload,short circuit and cutter motor over heating.