单选题
1分
You are reconnecting a three-phase induction motor to the supply line. To prevent possible damage to...
You are reconnecting a three-phase induction motor to the supply line. To prevent possible damage to the load, due to the wrong direction of rotation, you should ______.
参考答案: D
参考解析: 三相感应电机重新联接电源,为防止转向错误对负载可能造成的损坏,应用合适仪表检查电源相序和电机转向,然后连接对应标记的导线。