起重機械之危險電壓警報器

起重機械之危險電壓警報器

    bijiaxingqizhongjizaishudianxianlinjinzuoyeshi，yinweicaozuobutuo，bijiagangsishengdengguoyuaijinshenzhipengchudianxian，douhuixingchenggandianhuochudianshiduan。weilebimianzheleishiduanyanzhichuweixiandianyabaojingqi
，qiyuanlishi：報警器輸電線路為三項交流電，各相間相位差為120°，kongjiandianchangfenbushijiaobiandianchang，conglilunshangjiang，jugexiangxianjiangexiangdengdediandedianweiyingweiling。danshijianxianlubushe
，bucunzaidianweiweilingdedian，genjudianchangfenbutexing

，zhixujiancechuchudianweidejueduizhihedianweitidu
，yuyuxianshezhidejizhundianyabijiao，jiunenggoupanduanbijiajudianxiandejiange，bingjishifachujingbao。

    baojingqiyoujianceqihejingbaoqizucheng。jianceqishebeizaiqizhongjibiduan，qishangduandejinshuqiuzuoweijiancetantou
，nenggoujiancedianxianzhouweidedianchang。jianceqineibudeqianzhikuodaqijiangruoxiaodedianchangxinhaokuodahou，songjingbaoqijinxingbijiaochuli。