【判断题】
电流互感器的结构和工作原理与普通变压器相似，它的一次线圈并联在被测电路中。
A. 对
B. 错
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答案
B
解析
暂无解析
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【判断题】
SS4型电力机车低压试验准备工作之一：将逆变电源选择开关置A或B，并将相应的钮子开关打向工作位，确认逆变电源插件板上24 V、36 V、48 V信号灯亮。
A. 对
B. 错
【判断题】
SS4型电力机车低压试验准备工作之一：将逆变电源选择开关置A或B，并将相应的钮子开关打向工作位，主台显示屏“前节车”、“后节车”、“预备”、“主断”和“零压”灯亮。
A. 对
B. 错
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