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电压互感器符号三个线圈，第二个线圈有何用？
电压互感器符号三个线圈，第二个线圈有何用？
电流电压互感器26/52
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![商都县气象台发布寒潮蓝色预警[IV级/一般]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0015/oYQ7GIAeIvOD6BBxQC4ljGLsOO4emBeJ14AdsV~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=2024103008143804EA4C791D0CDBF6A0B9&requestFrom=101&x-expires=1761783278&x-signature=kGCjumQmMllzxW1Lx5BKOQpWgPI%3D)
