怎样测地线对地电阻值?只有万能表。 如何用万用表判断地线是否已正确接地？
\u600e\u6837\u6d4b\u5730\u7ebf\u5bf9\u5730\u7535\u963b\u503c?\u53ea\u6709\u4e07\u80fd\u8868\u30021\u3001\u53ef\u4ee5\u6d4b\u8bd5\u3002\u4e07\u7528\u8868\u6a2a\u3001\u7ad6\u3001\u5e73\u76f4\u72b6\u6001\u653e\u7f6e\u65f6\u6307\u9488\u8d8a\u5728\u96f6\u4f4d\u7f6e\uff0c\u8bf4\u660e\u4e07\u7528\u8868\u51c6\u786e\u5ea6\u8d8a\u9ad8\uff0c\u7136\u540e\u8fdb\u884c\u4e00\u4e9b\u7535\u963b\u3001\u7535\u538b\u6d4b\u91cf\uff0c\u770b\u529f\u80fd\u6863\u662f\u5426\u826f\u597d\uff0c\u51c6\u786e\u5ea6\u5982\u4f55\uff0c\u5fc5\u8981\u65f6\u4f60\u8fd8\u8981\u770b\u4e00\u770b\u4f7f\u7528\u8bf4\u660e\u4e66\u3002
2\u3001\u5728\u6d4b\u91cf\u5404\u79cd\u53c2\u6570\u65f6\uff0c\u9ed1\u8868\u7b14\u63a5COM\u516c\u5171\u63d2\u5ea7\uff0c\u7ea2\u8868\u7b14\u6839\u636e\u6d4b\u91cf\u4e0d\u540c\u9879\u76ee\u800c\u63d2\u76f8\u5e94\u63d2\u5b54\uff0c\u5982\u56fe1\u6240\u793a\u3002\u4e0d\u540c\u578b\u53f7\u7684\u4e07\u7528\u8868\uff0c\u5176\u63d2\u53e3\u5e03\u5c40\u548c\u4f7f\u7528\u63d2\u6cd5\u6709\u6240\u4e0d\u540c\u3002
\u6269\u5c55\u8d44\u6599\u6b63\u786e\u9009\u62e9\u63a5\u5730\u7535\u963b\u6d4b\u91cf\u65b9\u5f0f\u53ca\u6d4b\u91cf\u539f\u7406
1. \u4e24\u7ebf\u6cd5
\u6761\u4ef6\uff1a\u5fc5\u987b\u6709\u5df2\u77e5\u63a5\u5730\u826f\u597d\u7684\u5730\uff0c\u5982PEN\u7b49\uff0c\u6240\u6d4b\u91cf\u7684\u7ed3\u679c\u662f\u88ab\u6d4b\u5730\u548c\u5df2\u77e5\u5730\u7684\u7535\u963b\u548c\u3002\u5982\u679c\u5df2\u77e5\u5730\u8fdc\u5c0f\u4e8e\u88ab\u6d4b\u5730\u7684\u7535\u963b\uff0c\u6d4b\u91cf\u7ed3\u679c\u53ef\u4ee5\u4f5c\u4e3a\u88ab\u6d4b\u5730\u7684\u7ed3\u679c\u3002
\u9002\u7528\u4e8e\uff1a\u697c\u7fa4\u7a20\u5bc6\u6216\u6c34\u6ce5\u5730\u7b49\u5bc6\u5c01\u65e0\u6cd5\u6253\u5730\u6869\u7684\u5730\u533a\u3002
\u63a5\u7ebf\uff1aE+ES\u63a5\u5230\u88ab\u6d4b\u5730\uff0cH+S\u63a5\u5230\u5df2\u77e5\u5730\u3002
2. \u4e09\u7ebf\u6cd5
\u6761\u4ef6\uff1a\u5fc5\u987b\u6709\u4e24\u4e2a\u63a5\u5730\u68d2\uff1a\u4e00\u4e2a\u8f85\u52a9\u5730\u548c\u4e00\u4e2a\u63a2\u6d4b\u7535\u6781\u3002\u5404\u4e2a\u63a5\u5730\u7535\u6781\u95f4\u7684\u8ddd\u79bb\u4e0d\u5c0f\u4e8e20\u7c73\u3002\u539f\u7406\u662f\u5728\u8f85\u52a9\u5730\u548c\u88ab\u6d4b\u5730\u4e4b\u95f4\u52a0\u4e0a\u7535\u6d41\uff0c\u6d4b\u91cf\u88ab\u6d4b\u5730\u548c\u63a2\u6d4b\u7535\u6781\u95f4\u7684\u7535\u538b\u964d\uff0c\u6d4b\u91cf\u7ed3\u679c\u5305\u62ec\u6d4b\u91cf\u7535\u7f06\u672c\u8eab\u7684\u7535\u963b\u3002
\u9002\u7528\u4e8e\uff1a\u5730\u57fa\u63a5\u5730\uff0c\u5efa\u7b51\u5de5\u5730\u63a5\u5730\u548c\u9632\u96f7\u63a5\u5730\u3002\u63a5\u7ebf\uff1aS\u63a5\u63a2\u6d4b\u7535\u6781\uff0cH\u63a5\u8f85\u52a9\u5730\uff0cE\u548cES\u8fde\u63a5\u540e\u63a5\u88ab\u6d4b\u5730\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u4e07\u80fd\u8868
\u7528\u4e07\u7528\u8868\u662f\u4e0d\u80fd\u5224\u65ad\u5730\u7ebf\u662f\u5426\u6b63\u786e\u63a5\u5730\u7684\u3002
\u9700\u8981\u4f7f\u7528\u4e13\u95e8\u7684\u63a5\u5730\u7535\u963b\u6d4b\u91cf\u4eea\u8868\uff0c\u53ea\u8981\u5728\u706b\u7ebf\u4e0e\u5730\u7ebf\u4e4b\u95f4\u63a5\u5165\u4e00\u4e2a200W\u4ee5\u4e0a\u7684\u8d1f\u8f7d\uff0c\u8fd9\u65f6\u6d4b\u91cf\u8d1f\u8f7d\u4e0a\u7684\u5b9e\u9645\u7535\u538b\uff0c\u5982\u679c\u7535\u538b\u80fd\u8fbe\u5230200V\u4ee5\u4e0a\uff0c\u5c31\u8bf4\u660e\u63a5\u5730\u7ebf\u5df2\u7ecf\u63a5\u5730\u3002\u8fd9\u4e2a\u7535\u538b\u8d8a\u9ad8\uff0c\u63a5\u7ebf\u6548\u679c\u8d8a\u597d\u3002
\u7535\u538b\u662f\u4e24\u70b9\u95f4\u7535\u4f4d\u5dee\uff0c\u6709\u4e86\u7535\u538b\uff0c\u7535\u8377\u5c31\u4f1a\u5728\u7535\u7ebf\u4e2d\u6d41\u52a8\u5f62\u6210\u7535\u6d41\u3002\u8fd9\u5c31\u50cf\u6c34\u4ece\u9ad8\u5904\u5411\u4f4e\u5904\u6d41\u52a8\u7684\u9053\u7406\u662f\u4e00\u6837\u7684\u3002\u6c34\u5728\u6d41\u52a8\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u505a\u529f\uff0c\u7535\u5728\u6d41\u52a8\u8fc7\u7a0b\u4e2d\u4e5f\u4f1a\u505a\u529f \u3002\u706b\u7ebf\u548c\u96f6\u7ebf\u4e4b\u95f4\u6709\u7535\u538b\u5dee\uff0c\u6211\u56fd\u5355\u76f8\u7535\u6807\u51c6\u7535\u538b\u662f220V\u3002
\u7535\u6d41\u901a\u8fc7\u7ebf\u5f84\u7ec6\u3001\u7535\u963b\u5927\u7684\u5bfc\u7ebf\u65f6\uff0c\u4f1a\u53d1\u751f\u7c7b\u4f3c\u585e\u8f66\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u53d1\u70ed\u3002\u7535\u706f\u7684\u94a8\u4e1d\u80fd\u627f\u53d7\u9ad8\u6e29\uff0c\u94a8\u4e1d\u5728\u9ad8\u70ed\u60c5\u51b5\u4e0b\u5c31\u53d1\u5149\u4e86\u3002
\u6269\u5c55\u8d44\u6599
\u63a5\u5730\u5de5\u4f5c\u539f\u7406
1\u3001\u5730\u7535\u4f4d\uff0c\u4e0e\u5927\u5730\u7d27\u5bc6\u63a5\u89e6\u5e76\u5f62\u6210\u7535\u6c14\u63a5\u89e6\u7684\u4e00\u4e2a\u6216\u4e00\u7ec4\u5bfc\u7535\u4f53\u79f0\u4e3a\u63a5\u5730\u6781\uff0c\u901a\u5e38\u91c7\u7528\u5706\u94a2\u6216\u89d2\u94a2\uff0c\u4e5f\u53ef\u91c7\u7528\u94dc\u68d2\u6216\u94dc\u677f\u3002
2\u3001\u7535\u6c14\u5730\uff0c\u5927\u5730\u662f\u4e00\u4e2a\u7535\u963b\u975e\u5e38\u4f4e\u3001\u7535\u5bb9\u91cf\u975e\u5e38\u5927\u7684\u7269\u4f53\uff0c\u62e5\u6709\u5438\u6536\u65e0\u9650\u7535\u8377\u7684\u80fd\u529b\uff0c\u800c\u4e14\u5728\u5438\u6536\u5927\u91cf\u7535\u8377\u540e\u4ecd\u80fd\u4fdd\u6301\u7535\u4f4d\u4e0d\u53d8\uff0c\u56e0\u6b64\u4f5c\u4e3a\u7535\u6c14\u7cfb\u7edf\u4e2d\u7684\u53c2\u8003\u7535\u4f4d\u4f53\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u63a5\u5730
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u4e07\u7528\u8868
接地电阻用摇表。
绛旓細鎺ュ湴鐢甸樆娴嬭瘯浠娴嬮噺鍦扮嚎鐢甸樆鐨勬柟娉曚富瑕佹湁涓ょ锛氫笁绾挎硶鍜岄挸褰㈡硶銆備笁绾挎硶 涓夌嚎娉曟槸娴嬮噺鍦扮嚎鐢甸樆鏈甯哥敤鐨勬柟娉曘傚叾鍩烘湰鍘熺悊鏄細鍦ㄨ娴嬫帴鍦颁綋闄勮繎鎵撳叆涓や釜杈呭姪鎺ュ湴妫掞紝鍒嗗埆浣滀负鐢垫祦鏋佸拰鐢靛帇鏋侊紝鐒跺悗鍒╃敤鎺ュ湴鐢甸樆娴嬭瘯浠祴閲忓嚭琚祴鎺ュ湴浣撱佺數娴佹瀬鍜岀數鍘嬫瀬涔嬮棿鐨鐢甸樆鍊锛屽啀鏍规嵁娆у瀹氬緥璁＄畻鍑鸿娴嬫帴鍦颁綋鐨勬帴鍦扮數闃...
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绛旓細鍦ㄦ祴鎺ュ湴鐢甸樆鏃,鏈変簺鍥犵礌閫犳垚鎺ュ湴鐢甸樆涓嶅噯纭: (1)鍦扮綉鍛ㄨ竟鍦熷￥鏋勬垚涓嶄竴鑷,鍦拌川涓嶄竴,绱у瘑銆佸共婀跨▼搴︿笉涓鏍,鍏锋湁鍒嗘暎鎬,鍦拌〃闈㈡潅鏁ｇ數娴併佺壒鍒槸鏋剁┖鍦扮嚎銆佸湴涓嬫按绠°佺數缂嗗鐨瓑绛,瀵规祴璇曞奖鍝嶇壒鍒ぇ銆傝В鍐崇殑鏂规硶:鍙栦笉鍚岀殑鐐硅繘琛屾祴閲,鍙栧钩鍧囧笺 (2)娴嬭瘯绾挎柟鍚戜笉瀵,璺濈涓嶅闀裤傝В鍐崇殑鏂规硶:鎵惧噯娴嬭瘯鏂瑰悜鍜岃窛绂汇
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