大煤块 meaning in English

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In case that coal process system in power plant is lack of certain process , and while timber block , big coal block , stone , sack or metallic block and relevant foreign matter easily clog out belt and make motor overloaded , this sets up overload protection in electric control system , and this sets up overload protection in frequency inverter setup program ; in addition , this sets up branch breaker and switch up power supply in case of lack of phase or overload
若电厂燃煤处理处理系统缺少某些环节，木块、大煤块、石块、草袋、金属块等杂物，容易卡死皮带，使电机过载，因此在电气控制系统中设有热过载保护，变频器设定程序中设有过载保护；另外设有支路断路器，在过载缺相情况下，切断电源。