【判断题】
变压器的低压负荷电流测量,测量人员手持仪表,按动钳型电流表手柄使铁芯钳口张开,缓慢接近低压出线,让钳口抵达铁芯中央,再使钳口闭合,然后读数
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三相三线有功电能表适应于测量任何三相电路的有功电能
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在电容器串联电路中,电容量较小的电容器所承受的电压较高
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吊装时要使用断路器本身专用吊环,卡环要拧好,起吊要平衡,不能倾斜
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零线端子板上各支路的排列位置,应与各支路的熔断器位置相对应
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