三相四线表 零线带电是否影响度量？什么原因会导致零线带电 三相四线制供电零线带电是什么原因
\u4e09\u76f8\u56db\u7ebf\u7535\u8868\u63a5\u8868\u4ee5\u540e\u96f6\u7ebf\u600e\u4e48\u5e26\u7535\u5462\u4ec0\u4e48\u539f\u56e0\u4e09\u76f8\u56db\u7ebf\u7535\u8868\u7684\u96f6\u7ebf\u8c61\u706f\u8d1f\u8f7d\u4e00\u6837\uff0c\u8fdb\u4e00\u68391.5---2.5\u7684\u7ebf\u5230\u8868\u7684\u96f6\u7ebf\u7aef\u538b\u63a5\u597d\u5c31\u884c\u3002\u8fd9\u6761\u7ebf\u5c31\u662f\u7ed9\u7535\u5ea6\u8868\u7535\u538b220V\u7ebf\u5708\u4e00\u96f6\u7535\u4f4d\u800c\u5df2\u3002\u5176\u4f59\u7cfb\u7edf\u96f6\u7ebf\u8be5\u591a\u5927\u5c31\u591a\u5927\u3002\u4e00\u70b9\u4e0d\u5f71\u54cd\u8ba1\u91cf\u3002
1.1\u3001\u4e09\u76f8\u8d1f\u8377\u4e25\u91cd\u4e0d\u5e73\u8861
\u5728\u751f\u6d3b\u533a\u4e2d\uff0c\u7531\u4e8e\u5355\u76f8\u8d1f\u8377\u8f83\u591a\uff0c\u6240\u4ee5\u7535\u6e90\u4fa7\u7684\u4e09\u76f8\u8d1f\u8377\u5c31\u4e0d\u53ef\u80fd\u5e73\u8861\uff0c\u6b64\u65f6\uff0c\u96f6\u7ebf\uff08\u4e2d\u6027\u7ebf\uff09\u4fbf\u6709\u8f83\u5927\u7684\u7535\u6d41\u6d41\u8fc7\uff0c\u53d8\u538b\u5668\u4e2d\u6027\u70b9\u5de5\u4f5c\u63a5\u5730\u5904\u867d\u7136\u7535\u538b\u4e3a\u96f6\uff0c\u4f46\u79bb\u4e2d\u6027\u70b9\u8d8a\u8fdc\u7684\u7684\u96f6\u7ebf\u4e0a\uff0c\u96f6\u7ebf\u8d8a\u957f\uff0c\u5176\u963b\u6297\u8d8a\u5927\uff0c\u7535\u538b\u4e5f\u5c31\u8d8a\u9ad8\uff0c\u6b64\u65f6\uff0c\u5982\u679c\u6709\u4eba\u9760\u8fd1\u8d1f\u8377\u4fa7\u7684\u96f6\u7ebf\u4e0a\uff0c\u5c31\u6709\u53ef\u80fd\u5bfc\u81f4\u89e6\u7535\uff0c\u53d1\u751f\u89e6\u7535\u4e8b\u6545\u3002
1.2\u3001\u96f6\u7ebf\u65ad\u8def\u6216\u63a5\u89e6\u4e0d\u826f
\u5728\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5728\u8d1f\u8f7d\u4e3a\u4e09\u76f8\u8d1f\u8377\u65f6\uff0c\u4e09\u76f8\u7535\u8def\u57fa\u672c\u662f\u5e73\u8861\u7684\uff0c\u8fd9\u79cd\u7535\u8def\u79f0\u4e3a\u5bf9\u79f0\u7535\u8def\u3002\u4f46\u662f\u5728\u751f\u6d3b\u533a\u4e2d\uff0c\u7531\u4e8e\u5927\u90e8\u5206\u6c11\u7528\u8d1f\u8377\u5747\u4e3a\u5355\u76f8\u8d1f\u8377\uff0c\u6240\u4ee5\u7531\u53d8\u538b\u5668\u9001\u51fa\u7684ABC\u4e09\u76f8\u7ebf\u8def\u4e0a\u7684\u8d1f\u8377\u662f\u4e0d\u5e73\u8861\u7684\uff0c\u6709\u7684\u76f8\u8d1f\u8f7d\u8f7b\uff0c\u6709\u7684\u76f8\u8d1f\u8f7d\u91cd\uff0c\u8fd9\u79cd\u7535\u8def\u79f0\u4e3a\u4e0d\u5bf9\u79f0\u4e09\u76f8\u7535\u8def\u3002\u4f8b\u5982\uff0c\u5bf9\u79f0\u4e09\u76f8\u7535\u8def\u7684\u67d0\u4e00\u6761\u7aef\u7ebf\u65ad\u5f00\uff0c\u6216\u67d0\u4e00\u76f8\u8d1f\u8f7d\u53d1\u751f\u77ed\u8dd1\u6216\u5f00\u8def\uff0c\u5b83\u5c31\u5931\u53bb\u4e86\u5bf9\u79f0\u6027\uff0c\u6210\u4e3a\u4e0d\u5bf9\u79f0\u7535\u8def\u3002
\u7531\u4e8e\u5728\u96f6\u7ebf\u65ad\u8def\u6216\u63a5\u89e6\u4e0d\u826f\u65f6\uff0c\u4fbf\u4f1a\u51fa\u73b0\u8d1f\u8377\u4fa7\u7684\u4e2d\u6027\u70b9\u7535\u4f4d\u6f02\u79fb\u7684\u60c5\u51b5\u3002\u6b64\u65f6\u96f6\u7ebf\u4e0a\u4f1a\u51fa\u73b0\u5371\u9669\u7684\u7535\u538b\uff0c\u8d1f\u8377\u6700\u8f7b\u7684\u4e00\u76f8\u7535\u538b\u5347\u9ad8\uff0c\u4ece\u800c\u4f7f\u8be5\u76f8\u4e0a\u8d1f\u8377\u5148\u70e7\u6bc1\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u52a0\u5267\u4e09\u76f8\u8d1f\u8f7d\u7684\u4e0d\u5e73\u8861\uff0c\u4ee5\u81f4\u53d8\u6210\u4e86\u4e24\u76f8\u4f9b\u7535\u7684\u60c5\u51b5\u3002\u8fd9\u65f6\u4e24\u76f8\u8d1f\u8377\u7535\u538b\u7531\u76f8\u7535\u538b\u53d8\u4e3a\u7ebf\u7535\u538b\uff0c\u63a5\u7740\u8d1f\u8377\u6b21\u8f7b\u76f8\u63a5\u7740\u70e7\u6bc1\uff0c\u6700\u540e\u53ea\u5269\u4e0b\u8d1f\u8377\u6700\u91cd\u7684\u4e00\u76f8\u8bbe\u5907\u4e0d\u88ab\u70e7\u574f\u3002\u4e3a\u9632\u6b62\u8fd9\u79cd\u73b0\u8c61\uff0c\u5c31\u8981\u7ecf\u5e38\u8fdb\u884c\u68c0\u67e5\uff0c\u5f53\u53d1\u73b0\u4e09\u76f8\u7535\u8def\u4e2d\u67d0\u4e9b\u706f\u5f88\u4eae\uff0c\u6709\u7684\u53d1\u6697\uff0c\u751a\u81f3\u53d1\u751f\u7535\u706f\u201c\u7fa4\u7206\u201d\u73b0\u8c61\uff0c\u8bf4\u660e\u96f6\u7ebf\u65ad\u8def\uff0c\u5e94\u7acb\u5373\u65ad\u5f00\u7535\u6e90\u5f00\u5173\uff0c\u9632\u6b62\u4e8b\u6545\u7684\u6269\u5927\u3002
1.3\u3001\u4e09\u76f8\u7535\u6e90\u4e0d\u5bf9\u79f0
\u4e09\u76f8\u7535\u6e90\u4e0d\u5bf9\u79f0\u7684\u73b0\u8c61\uff0c\u5c31\u751f\u6d3b\u533a\u6765\u8bf4\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\uff0c\u5982\u53d8\u538b\u5668\u5206\u63a5\u5f00\u5173\u63a5\u89e6\u4e0d\u826f\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u53d8\u538b\u5668\u5728\u6295\u5165\u8fd0\u884c\u524d\uff0c\u5206\u63a5\u5f00\u5173\u5df2\u8c03\u81f3\u5408\u9002\u6863\u4f4d\uff0c\u4e0d\u9700\u8981\u8c03\u6574\u3002\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u5206\u63a5\u5f00\u5173\u7ecf\u5e38\u8c03\u6574\uff0c\u5c31\u6709\u53ef\u80fd\u9020\u6210\u63a5\u89e6\u4e0d\u826f\u3002
\u53e6\u5916\u4e00\u79cd\u60c5\u51b5\u662f\u53d8\u538b\u5668\u9ad8\u538b\u67d0\u76f8\u7194\u4e1d\u7194\u65ad\u3002\u5728\u751f\u6d3b\u533a\u53d8\u914d\u7535\u5ba4\u4e2d\uff0c\u76ee\u524d\u9ad8\u538b\u4fa7\u5747\u91c7\u7528FN3\u578b\u8d1f\u8377\u5f00\u5173\uff0c\u8fd9\u79cd\u5f00\u5173\u548c\u9ad8\u538b\u7194\u65ad\u5668\u914d\u5408\u4f7f\u7528\u3002\u4f4e\u538b\u4fa7\u91c7\u7528DW\u578b\u4e07\u80fd\u65ad\u8def\u5668\uff0c\u6240\u4ee5\u5728\u8d1f\u8377\u4fa7\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u5982\u4f4e\u538b\u4fdd\u62a4\u62d2\u52a8\uff0c\u6216\u53d8\u538b\u5668\u5185\u90e8\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u90fd\u4f1a\u5bfc\u81f3\u9ad8\u538b\u7194\u4e1d\u7194\u65ad\uff1b
\u8fd8\u6709\u4e00\u79cd\u662f\u7535\u7f06\u65ad\u76f8\u3002\u65ad\u76f8\u540e\uff0c\u5176\u5b83\u4e24\u76f8\u6216\u4e00\u76f8\u8fd0\u884c\uff0c\u6240\u6709\u8fd9\u4e9b\u60c5\u51b5\uff0c\u90fd\u4f1a\u4f7f\u4e09\u76f8\u7535\u6e90\u4e0d\u5bf9\u79f0\uff0c\u4ece\u800c\u4f7f\u96f6\u7ebf\u4e0a\u4ea7\u751f\u5371\u9669\u7684\u7535\u538b\u3002
1.4\u3001\u96f6\u7ebf\u63a5\u5730\u4e0d\u826f
\u7531\u4e8e\u751f\u6d3b\u533a\u53d8\u538b\u5668\u4e2d\u6027\u70b9\u5747\u91c7\u7528\u76f4\u63a5\u63a5\u5730\uff0c\u6240\u4ee5\u5fc5\u987b\u5bf9\u63a5\u5730\u7ebf\u7ecf\u5e38\u8fdb\u884c\u68c0\u67e5\u3002\u5728\u63a5\u5730\u8fde\u63a5\u4e0d\u826f\u65f6\uff0c\u63a5\u5730\u88c5\u7f6e\u63a5\u5730\u7535\u963b\u8fc7\u5927\uff0c\u6216\u63a5\u5730\u7ebf\u56e0\u8150\u8680\u65ad\u5f00\u540e\uff0c\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\uff0c\u90fd\u80fd\u4f7f\u96f6\u7ebf\u7535\u4f4d\u5927\u5927\u5347\u9ad8\u3002\u4f8b\u5982\uff0c\u5f53\u96f6\u7ebf\uff08\u53d8\u538b\u5668\u63a5\u5730\u5904\uff09\u65ad\u5f00\u540e\uff0c\u82e5\u53e6\u4e00\u76f8\u53d1\u751f\u63a5\u5730\uff0c\u6b64\u65f6\uff0c\u96f6\u7ebf\u5bf9\u5730\u7535\u538b\u5c06\u5347\u81f3220V\uff0c\u751a\u81f3\u66f4\u9ad8\uff0c\u5c06\u4f1a\u4e25\u91cd\u5a01\u80c1\u8bbe\u5907\u548c\u4eba\u8eab\u7684\u5b89\u5168\u3002
1.5\u3001\u7535\u5bb9\u4f20\u9012
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u867d\u7136\u4f4e\u538b\u7ebf\u8def\u5df2\u65ad\u5f00\u7535\u6e90\uff0c\u4f46\u7531\u4e8e\u96f6\u7ebf\u4e0e\u53d8\u538b\u5668\u4e0d\u65ad\u5f00\uff0c\u6b64
\u65f6\uff0c\u9ad8\u538b\u7535\u6e90\u5c31\u53ef\u80fd\u901a\u8fc7\u53d8\u538b\u5668\u9ad8\u3001\u4f4e\u538b\u7ed5\u7ec4\u95f4\u7684\u7535\u5bb9\u4f20\u9012\u5230\u96f6\u7ebf\u4e0a\uff0c\u8981\u662f\u96f6\u7ebf
\u63a5\u5730\u4e0d\u826f\u6216\u65ad\u5f00\uff0c\u5219\u96f6\u7ebf\u4e0a\u5c31\u53ef\u80fd\u51fa\u73b0\u6570\u5343\u4f0f\u7684\u9ad8\u538b\u3002
1.6\u3001\u76f8\u7ebf\u63a5\u5730
\u8fd9\u662f\u767e\u5ea6\u6587\u5e93\u7684\u5730\u5740http://wenku.baidu.com/view/df357298b9f3f90f76c61b87.html?re=view
三相电流的不平衡（向量和不为零）就会导致零线带电。他不影响电度表的计量。
三相电表有三相三线和三相四线两种。三相三线有两组线圈。三相四线有三组线圈，并且和零线连接以稳定每组线圈都是220伏。三相四线允许三相电流不平衡，所以零会有电流。但是，这不是零线带电的原因。零线带电是零线回路接触不良或者断开，三相电流不平衡就显示带电。
电表也是不正确的，是因为相位角发生了变化。不过相差不是很大。
bu zhi
扩展阅读：零线漏电的简易排除法 ... 380三相4线正确接法 ... 三相四线只用一火一零 ... 三相电只接两相会怎样 ... 三相电贵还是两相电贵 ... 一张图看懂剪切力 ... 家庭装三相电有啥好处 ... 380为什么不要零线 ... 三相电缺零线后果 ...
