China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
我国矿井提升绞车大多是采用交流异步电机拖动,其电气控制系统采用转子串、切电阻调速,由继电器-接触器构成逻辑控制装置。
The motor- and control voltage is to be connected to a common network, where the sealing-in of the power contactor is cancelled in case of an interruption of circuit.
电动机和控制电压应连接到一个公用网,从这里,当发生电流断路时,电力开关的触点被断开。
The utility model discloses an energy consumption braking circuit of a three-phase asynchronous motor, which is composed of a three-phase asynchronous motor and a main control contactor.
本实用新型公开了一种三相异步电动机能耗制动电路。它由三相异步电动机与主控接触器构成。
The utility model discloses an energy consumption braking circuit of a three-phase asynchronous motor, which is composed of a three-phase asynchronous motor and a main control contactor.
本实用新型公开了一种三相异步电动机能耗制动电路。它由三相异步电动机与主控接触器构成。
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