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\u3000\u3000\uff081\uff09TN-C\u7cfb\u7edf\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0cPEN\u7ebf\u4e0a\u6709\u4e0d\u5bf9\u79f0\u8d1f\u8377\u7535\u6d41\u901a\u8fc7\uff0c\u53ef\u80fd\u6709\u4e09\u6b21\u8c10\u6ce2\u7535\u6d41\u901a\u8fc7\uff0c\u5728PEN\u7ebf\u4e0a\u4ea7\u751f\u7684\u538b\u964d\u5c06\u5448\u73b0\u5728\u4e0ePEN\u7ebf\u76f8\u8fde\u7684\u7528\u7535\u8bbe\u5907\u5916\u58f3\u4ee5\u53ca\u7ebf\u8def\u7684\u91d1\u5c5e\u5bfc\u7ba1\u4e0a\u3002\u5f53\u53d1\u751fPEN\u7ebf\u65ad\u7ebf\u3001\u6216PEN\u7ebf\u8fde\u63a5\u7aef\u5b50\u8fde\u63a5\u4e0d\u7262\u3001\u6216\u76f8\u5730\u77ed\u8def\u6545\u969c\u65f6\uff0c\u4f1a\u5448\u73b0\u8f83\u9ad8\u7684\u5bf9\u5730\u6545\u969c\u7535\u538b\uff0c\u4e14\u67d0\u4e00\u5904\u7684\u6545\u969c\u7535\u538b\u53ef\u6cbfPEN\u7ebf\u7a9c\u81f3\u5176\u5b83\u90e8\u4f4d\u3002\u5f53\u7535\u6c14\u8bbe\u5907\u5916\u58f3\u548c\u91d1\u5c5e\u5957\u7ba1\u4e0a\u5e26\u4e0a\u6b64\u5371\u9669\u7535\u538b\uff0c\u5c31\u53ef\u80fd\u51fa\u73b0\u4e00\u5904\u6216\u591a\u5904\u5bf9\u5730\u6253\u706b\uff0c\u4ea7\u751f\u7535\u5f27\uff0c\u5f15\u71c3\u9644\u8fd1\u6613\u71c3\u7269\uff0c\u9020\u6210\u706b\u707e\u3002\u6b64\u7cfb\u7edf\u4e0d\u5f88\u5b89\u5168\uff0c\u4e00\u822c\u7528\u4e8e\u4e09\u76f8\u8d1f\u8377\u57fa\u672c\u5e73\u8861\u7684\u4e00\u822c\u4f01\u4e1a\uff0c\u4f4f\u5b85\u7528\u6237\u7edd\u5927\u90e8\u5206\u662f\u5355\u76f8\u7528\u6237\uff0c\u96be\u4ee5\u5b9e\u73b0\u4e09\u76f8\u8d1f\u8377\u7684\u5e73\u8861\uff0c\u4e0d\u5e94\u4f7f\u7528TN-C\u7cfb\u7edf\u3002TN-S\u7cfb\u7edf\u6b63\u5e38\u5de5\u4f5c\uff0cPE\u7ebf\u4e0a\u6ca1\u6709\u4e0d\u5e73\u8861\u7535\u6d41\u901a\u8fc7\uff0c\u4e0ePE\u7ebf\u76f8\u8fde\u7684\u8bbe\u5907\u5916\u58f3\u4e0d\u5e26\u7535\u4f4d\uff0c\u53ea\u662f\u5728\u63a5\u5730\u6545\u969c\u65f6\u624d\u5e26\u7535\u4f4d\uff0c\u56e0\u800c\u4e0a\u8ff0\u6545\u969c\u5371\u9669\u53ef\u5927\u4e3a\u51cf\u5c11\u3002\u6b64\u7cfb\u7edf\u5e94\u7528\u8f83\u5e7f\uff08\u5305\u62ec\u901a\u4fe1\u7cfb\u7edf\uff09\uff0c\u4f46\u5e94\u786e\u4fdd\u63a5\u5730\u4fdd\u62a4\u88c5\u7f6e\u52a8\u4f5c\u7684\u53ef\u9760\u6027\uff0cE\u8fde\u63a5\u7aef\u5b50\u5e94\u8fde\u63a5\u7262\u56fa\u3002
\u3000\u3000\uff082\uff09TT\u7cfb\u7edf\u8bbe\u5907\u91d1\u5c5e\u5916\u58f3\u7528\u5355\u72ec\u63a5\u5730\u6781\u63a5\u5730\uff0c\u4e0e\u7535\u6e90\u7684\u63a5\u5730\u65e0\u76f4\u63a5\u8054\u7cfb\uff0c\u8bbe\u5907\u5916\u58f3\u662f\u5730\u7535\u4f4d\uff0c\u4e0d\u4f1a\u4ea7\u751f\u706b\u82b1\u6216\u7535\u5f27\uff0c\u56e0\u6b64\u8f83\u4e3a\u5b89\u5168\u3002
\u3000\u3000\u53e6\u5916\uff0c\u5f53\u7535\u6e90\u4fa7\u6216\u8005\u7535\u6c14\u88c5\u7f6e\u53d1\u751f\u63a5\u5730\u6545\u969c\u662f\uff0c\u5176\u6545\u969c\u7535\u538b\u4e0d\u4f1a\u50cfTN\u7cfb\u7edf\u6cbf\u7740PE\u6216PEN\u7ebf\u5728\u7535\u6c14\u88c5\u7f6e\u4e2d\u4f20\u5bfc\u548c\u4e92\u7a9c\uff0c\u4f18\u4e8eTN\u7cfb\u7edf\u3002
\u3000\u3000\u4f46\u5f53\u53d1\u751f\u63a5\u5730\u6545\u969c\u65f6\uff0c\u6545\u969c\u7535\u6d41\u9700\u901a\u8fc7\u8bbe\u5907\u63a5\u5730\u7535\u963b\u548c\u7535\u6e90\u63a5\u5730\u7535\u963b\uff0c\u56de\u8def\u963b\u6297\u8f83\u5927\uff0c\u6545\u969c\u7535\u6d41\u6bd4TN\u7cfb\u7edf\u5c0f\uff0c\u964d\u4f4e\u4e86\u7ebf\u8def\u4fdd\u62a4\u88c5\u7f6e\u7684\u7075\u654f\u611f\uff0c\u968f\u7740\u6f0f\u7535\u4fdd\u62a4\u5668\u7684\u5f00\u53d1\u548c\u5e94\u7528\uff0c\u514b\u670d\u4e86TT\u7cfb\u7edf\u4fdd\u62a4\u7535\u5668\u4e0d\u7075\u654f\u7684\u5f31\u70b9\u3002
\u3000\u3000\u8865\u5145\u4e00\u70b9\uff0cTN\u7cfb\u7edf\u5185PE\u7ebf\u7cfb\u5f15\u81ea\u7535\u6e90\u7684\u4e2d\u6027\u70b9\uff0c\u5f53\u53d1\u751f\u96f7\u51fb\u5f15\u8d77\u7684\u77ac\u6001\u51b2\u51fb\u8fc7\u7535\u538b\u6216\u8005\u7535\u7f51\u6545\u969c\u5f15\u8d77\u7684\u5de5\u9891\u8fc7\u7535\u538b\u65f6\uff0c\u76f8\u7ebf\u548cPE\u7ebf\u7535\u4f4d\u540c\u65f6\u5347\u9ad8\uff0c\u7535\u6c14\u88c5\u7f6e\u7edd\u7f18\u627f\u53d7\u5bf9\u5730\u8fc7\u7535\u538b\u5e45\u5ea6\u8f83\u5c0f\uff1b\u800cTT\u7cfb\u7edf\u4e2dPE\u7ebf\u76f4\u63a5\u5f15\u81ea\u5927\u5730\uff0c\u662f\u5927\u5730\u7684\u96f6\u7535\u4f4d\uff0c\u7535\u6c14\u88c5\u7f6e\u7edd\u7f18\u627f\u53d7\u5bf9\u5730\u8fc7\u7535\u538b\u5f88\u5927\uff0c\u5bb9\u6613\u53d1\u751f\u51fb\u7a7f\u7b49\u4e8b\u6545\uff0c\u5e94\u5f53\u91c7\u53d6\u63aa\u65bd\u9632\u8303\u3002
\u3000\u3000\uff083\uff09IT\u7cfb\u7edf\u4e2d\u7535\u6e90\u4e2d\u6027\u70b9\u5bf9\u5730\u7edd\u7f18\u6216\u7ecf\u6d88\u5f27\u7ebf\u5708\u63a5\u5730\u3002\u5f53\u53d1\u751f\u63a5\u5730\u6545\u969c\u65f6\uff0c\u6545\u969c\u7535\u6d41\u4e3a\u975e\u6545\u969c\u76f8\u7684\u5bf9\u5730\u7535\u5bb9\u7535\u6d41\uff0c\u6545\u969c\u7535\u538b\u4e0d\u8d85\u8fc750V\uff0c\u4e0d\u4f1a\u4ea7\u751f\u7535\u706b\u82b1\u6216\u7535\u5f27\uff0c\u4e00\u822c\u573a\u6240\u4e0d\u8981\u6c42\u7acb\u5373\u5207\u9664\u6545\u969c\u56de\u8def\uff0c\u53ea\u9700\u53d1\u51fa\u62a5\u8b66\u4fe1\u53f7\uff0c\u5e76\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u6d88\u9664\u6545\u969c\uff0c\u5c31\u80fd\u4fdd\u8bc1\u4e86\u4f9b\u7535\u7684\u53ef\u9760\u6027\u3002\u56e0\u6b64IT\u7cfb\u7edf\u7528\u4e8e\u7164\u77ff\u7b49\u5bf9\u9632\u706b\u6709\u7279\u6b8a\u8981\u6c42\u7684\u573a\u6240\uff0c\u4f46IT\u7cfb\u7edf\u4e0d\u5b9c\u914d\u51fa\u4e2d\u6027\u7ebf\uff0c\u53e6\u5916\u5bf9\u7535\u6e90\u53ca\u7528\u7535\u8bbe\u5907\u8010\u538b\u8981\u6c42\u4e5f\u8f83\u9ad8\u3002\u4e0d\u80fd\u63d0\u4f9b\u7167\u660e\u3001\u63a7\u5236\u7b49\u9700\u8981\u7684220V\u7535\u6e90\uff0c\u9700\u8981\u8bbe\u7f6e380/220V\u964d\u538b\u53d8\u538b\u5668\u6765\u63d0\u4f9b220V\u7535\u6e90\uff0c\u4f7f\u5f97\u7ebf\u8def\u7ed3\u6784\u590d\u6742\u5316\u3002
\u3000\u3000
•IT系统是电源中性点不接地，或经高阻抗接地，一般为三相三线制系统，负载侧电气设备的外露可导电部分经各自的保护零线直接接地，与电源侧的接地相互独立。这种系统应用在不间断供电要求较高的场所，如矿井供电。当发生一相接地故障时，因单相短路电流很小，三相用电设备可以继续正常运行，同时相关的监测装置会报警，有关人员及时排除故障。
TN-S一般用在对电源要求比较高的场所~比如电子设备、精密仪器等~TN-S是国家现在推行的系统~
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绛旓細TT 绯荤粺鏄數婧愮郴缁熸湁涓鐐圭洿鎺ユ帴鍦般傝澶囧闇插鐢甸儴鍒嗙殑鎺ュ湴涓鐢垫簮绯荤粺鐨勬帴鍦扮數姘斾笂鏃犲叧鐨勭郴缁熴傚墠鍚庝袱涓瓧姣嶁淭鈥濆垎鍒〃绀洪厤鐢电綉涓х偣鍜岀數姘旇澶囬噾灞炲澹虫帴鍦般俆N 绯荤粺鏄數婧愮郴缁熸湁涓鐐圭洿鎺ユ帴鍦帮紝璐熻浇璁惧鐨勫闇插鐢甸儴鍒嗛氳繃淇濇姢瀵间綋杩炴帴鍒版鎺ュ湴鐐圭殑绯荤粺銆傚嵆閲囧彇浜嗕繚鎶ゆ帴闆舵帾鏂界殑绯荤粺銆TN绯荤粺鏈変笁绉嶇被鍨嬶細...
绛旓細1. TT绯荤粺锛氬皢鐢垫皵璁惧閲戝睘澶栧３鐩存帴鎺ュ湴鐨勪繚鎶ょ郴缁燂紝纭繚璁惧澶栧３涓庡湴涔嬮棿鏃犵數鍘嬪樊锛屼繚闅滀汉韬畨鍏ㄣ2. TN-C绯荤粺锛氬伐浣滈浂绾匡紙N绾匡級鍏间綔鎺ラ浂淇濇姢绾匡紙PE绾匡級锛屽湪鍗曠浉鍜屼笁鐩哥郴缁熶腑骞挎硾搴旂敤锛屽洜涓哄彧鏈変竴鏉￠浂绾匡紝鏁呮垚鏈緝浣庛3. TN-C-S绯荤粺锛氬湪TN-C绯荤粺鐨勫熀纭涓婏紝鏂藉伐鐜板満绛夌壒瀹氬満鍚堣姹傞噰鐢TN-S绯荤粺鏃...
绛旓細Tn绯荤粺锛屽湪鍙樺帇鍣ㄦ垨鍙戠數鏈轰腑鎬х偣鐩存帴鎺ュ湴鐨380/220V涓夌浉鍥涚嚎浣庡帇鐢电綉涓紝灏嗘甯歌繍琛屾椂涓嶅甫鐢电殑鐢ㄧ數璁惧鐨勯噾灞炲澹崇粡鍏叡鐨勪繚鎶ょ嚎涓庣數婧愮殑涓х偣鐩存帴鐢垫皵杩炴帴銆俆n绯荤粺鐨勭數婧愪腑鎬х偣鐩存帴鎺ュ湴锛屽苟鏈変腑鎬х嚎寮曞嚭銆傛寜鍏朵繚鎶ょ嚎褰㈠紡锛孴n绯荤粺鍙堝垎涓猴細Tn-c绯荤粺銆Tn-s绯荤粺鍜Tn-c-s绯荤粺涓夌銆傦紙1锛塗n-c绯荤粺(涓夌浉...
绛旓細2. TT鎺ュ湴鏂瑰紡渚涚數绯荤粺TT绯荤粺涓紝鐢垫皵璁惧鐨勯噾灞炲澹崇洿鎺ユ帴鍦帮紝绉颁负淇濇姢鎺ュ湴銆俆鐨勭涓涓猅琛ㄧず鐢垫簮涓х偣鎺ュ湴锛岀浜屼釜T琛ㄧず璁惧澶栧３鐩存帴鎺ュ湴銆傝繖绉嶇郴缁熷湪璁惧澶栧３婕忕數鏃舵彁渚涗繚鎶わ紝浣嗕綆鍘嬫柇璺櫒鍙兘鏃犳硶鍙婃椂璺抽椄锛屽瓨鍦ㄤ竴瀹氱殑鍗遍櫓鐢靛帇銆俆T绯荤粺閫傜敤浜庡垎鏁ｇ殑鎺ュ湴淇濇姢锛屽璺伅瑁呯疆鍜屾柦宸ュ満鍦般3. TN鎺ュ湴鏂瑰紡渚涚數...
绛旓細1銆TN-S 鏂瑰紡渚涚數绯荤粺鏄妸宸ヤ綔闆剁嚎 N 鍜屼笓鐢ㄤ繚鎶ょ嚎 PE 涓ユ牸鍒嗗紑鐨勪緵鐢电郴缁燂紝绉颁綔TN-S 渚涚數绯荤粺锛屼篃灏辨槸涓夌浉浜旂嚎鍒讹紝璁惧澶栧３鎺E绾裤俓x0d\x0a2銆TT 鏂瑰紡渚涚數绯荤粺 TT 鏂瑰紡鏄寚灏嗙數姘旇澶囩殑閲戝睘澶栧３鐩存帴鎺ュ湴鐨勪繚鎶ょ郴缁燂紝绉颁负淇濇姢鎺ュ湴绯荤粺锛屼篃绉 TT 绯荤粺銆備篃灏辨槸涓夌浉涓夌嚎鍒讹紝璁惧澶栧３鎺ュ湴銆俓x0d\...
绛旓細涓銆乀T銆TN銆両T鎺ュ湴鏂瑰紡鍒嗗埆閫傜敤鐨勫満鍚堬細1銆TT鎺ュ湴鏂瑰紡閫傜敤鐨勫満鍚堬細TT绯荤粺閫傚簲浜庢湁涓х嚎杈撳嚭鐨勫崟銆佷笁鐩告病鍚堢敤鐢电殑杈冨ぇ鐨勬潙搴勩傚姞瑁呬笂婕忕數淇濇姢瑁呯疆锛屽彲鏀跺埌杈冨ソ鐨勫畨鍏ㄦ晥鏋溿傜幇鍦ㄦ湁鐨勫缓绛戝崟浣嶆槸閲囩敤TT绯荤粺锛屾柦宸ュ崟浣嶅熺敤鍏剁數婧愪綔涓存椂鐢ㄧ數鏃讹紝搴旂敤涓鏉′笓鐢ㄤ繚鎶ょ嚎锛屼互鍑忓皯闇鎺ュ湴瑁呯疆閽㈡潗鐢ㄩ噺銆傛妸鏂板鍔犵殑...
