变电器二次侧电压660v,现在线电压平衡还可以,相电压一相380多伏,一相400多伏,另一相60 10KV电压经过变压器变出来相线电压是660V。660加一根...
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1.\u53d8\u538b\u5668 ---- \u9759\u6b62\u7684\u7535\u78c1\u88c5\u7f6e
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e1(t) = -N1 d \u03c6/dt
e2(t) = -N2 d \u03c6/dt
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1.\u94c1\u5fc3
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2.\u7ed5\u7ec4
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f--\u9891\u7387
N--\u531d\u6570
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(1)\u539f\u7406\u56fe
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(2)\u5de5\u4f5c\u539f\u7406
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e1=\uff0dN1d\u0424/dt�e2=\uff0dN2d\u0424/dt
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u1/u2\u2248(-e1)/(-e2)=N1/N2�
u1/u2\u2248(-e1)/(-e2)=N1/N2=k, k\u5b9a\u4e49\u4e3a\u53d8\u538b\u5668\u7684\u53d8\u6bd4\u3002
5-2 \u53d8\u538b\u5668\u7684\u7c7b\u578b\u548c\u7ed3\u6784
1\u3001\u7c7b\u578b
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2\u3001\u7ed3\u6784(\u7535\u529b\u53d8\u538b\u5668)
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(1)\u94c1\u5fc3
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\u6750\u6599\uff1a\u4e00\u822c\u75310.35mm/0.5mm\u51b7\u8f67(\u4e5f\u7528\u70ed\u8f67)\u7845\u94a2\u7247\u53e0\u6210\u3002
\u94c1\u5fc3\u4ea4\u53e0\uff1a\u76f8\u90bb\u5c42\u6309\u4e0d\u540c\u65b9\u5f0f\u4ea4\u9519\u53e0\u653e\uff0c\u5c06\u63a5\u7f1d\u9519\u5f00\u3002\u5076\u6570\u5c42\u521a\u597d\u538b\u7740\u5947\u6570\u5c42\u7684\u63a5\u7f1d\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u78c1\u963b\uff0c\u4fbf\u4e8e\u78c1\u901a\u6d41\u901a\u3002
\u94c1\u5fc3\u67f1\u622a\u9762\u5f62\u72b6\uff1a\u5c0f\u578b\u53d8\u538b\u5668\u505a\u6210\u65b9\u5f62\u6216\u8005\u77e9\u5f62\uff1b\u5927\u578b\u53d8\u538b\u5668\u505a\u6210\u9636\u68af\u5f62\u3002\u5bb9\u91cf\u5927\u5219\u7ea7\u6570\u591a\u3002\u53e0\u7247\u95f4\u7559\u6709\u95f4\u9699\u4f5c\u4e3a\u6cb9\u9053(\u7eb5\u5411/\u6a2a\u5411)\u3002\uff08\u7eb5\u5411\u6cb9\u9053\u89c1\u8bfe\u672c\u56fe5.13\uff09
(2)\u7ed5\u7ec4
\u4e00\u822c\u7528\u7edd\u7f18\u6241\u94dc\u7ebf\u6216\u5706\u94dc\u7ebf\u5728\u7ed5\u7ebf\u6a21\u4e0a\u7ed5\u5236\u800c\u6210\u3002
\u7ed5\u7ec4\u5957\u88c5\u5728\u53d8\u538b\u5668\u94c1\u5fc3\u67f1\u4e0a\uff0c\u4f4e\u538b\u7ed5\u7ec4\u5728\u5185\u5c42\uff0c\u9ad8\u538b\u7ed5\u7ec4\u5957\u88c5\u5728\u4f4e\u538b\u7ed5\u7ec4\u5916\u5c42\uff0c\u4ee5\u4fbf\u4e8e\u7edd\u7f18\u3002
(3)\u6cb9/\u6cb9\u7bb1/\u51b7\u5374/\u5b89\u5168\u88c5\u7f6e
\u5668\u8eab\u88c5\u5728\u6cb9\u7bb1\u5185\uff0c\u6cb9\u7bb1\u5185\u5145\u6ee1\u53d8\u538b\u5668\u6cb9\u3002
\u53d8\u538b\u5668\u6cb9\u662f\u4e00\u79cd\u77ff\u7269\u6cb9\uff0c\u5177\u6709\u5f88\u597d\u7684\u7edd\u7f18\u6027\u80fd\u3002\u53d8\u538b\u5668\u6cb9\u8d77\u4e24\u4e2a\u4f5c\u7528\uff1a\u2460\u5728\u53d8\u538b\u5668\u7ed5\u7ec4\u4e0e\u7ed5\u7ec4\u3001\u7ed5\u7ec4\u4e0e\u94c1\u5fc3\u53ca\u6cb9\u7bb1\u4e4b\u95f4\u8d77\u7edd\u7f18\u4f5c\u7528\u3002\u2461\u53d8\u538b\u5668\u6cb9\u53d7\u70ed\u540e\u4ea7\u751f\u5bf9\u6d41\uff0c\u5bf9\u53d8\u538b\u5668\u94c1\u5fc3\u548c\u7ed5\u7ec4\u8d77\u6563\u70ed\u4f5c\u7528\u3002
\u6cb9\u7bb1\u6709\u8bb8\u591a\u6563\u70ed\u6cb9\u7ba1\uff0c\u4ee5\u589e\u5927\u6563\u70ed\u9762\u79ef\u3002
\u4e3a\u4e86\u52a0\u5feb\u6563\u70ed\uff0c\u6709\u7684\u5927\u578b\u53d8\u538b\u5668\u91c7\u7528\u5185\u90e8\u6cb9\u6cf5\u5f3a\u8feb\u6cb9\u5faa\u73af\uff0c\u5916\u90e8\u7528\u53d8\u538b\u5668\u98ce\u6247\u5439\u98ce\u6216\u7528\u81ea\u6765\u6c34\u51b2\u6dcb\u53d8\u538b\u5668\u6cb9\u7bb1\u3002\u8fd9\u4e9b\u90fd\u662f\u53d8\u538b\u5668\u7684\u51b7\u5374\u88c5\u7f6e\u3002
1\u6cb9\u7bb1/2\u50a8\u6cb9\u67dc/3\u6c14\u4f53\u7ee7\u7535\u5668/4\u4e3a\u5b89\u5168\u6c14\u9053\u3002
\u53d8\u538b\u5668\u8fd0\u884c\u65f6\u4ea7\u751f\u70ed\u91cf\uff0c\u4f7f\u53d8\u538b\u5668\u6cb9\u81a8\u80c0\uff0c\u5e76\u6d41\u8fdb\u50a8\u6cb9\u67dc\u4e2d\u3002
\u50a8\u6cb9\u67dc\u4f7f\u53d8\u538b\u5668\u6cb9\u4e0e\u7a7a\u6c14\u63a5\u89e6\u9762\u53d8\u5c0f,\u51cf\u7f13\u4e86\u53d8\u538b\u5668\u6cb9\u7684\u6c27\u5316\u548c\u5438\u6536\u7a7a\u6c14\u6c34\u5206\u7684\u901f\u5ea6\u3002\u4ece\u800c\u51cf\u7f13\u4e86\u6cb9\u7684\u53d8\u8d28\u3002
\u6545\u969c\u65f6,\u70ed\u91cf\u4f1a\u4f7f\u53d8\u538b\u5668\u6cb9\u6c7d\u5316,\u89e6\u52a8\u6c14\u4f53\u7ee7\u7535\u5668\u53d1\u51fa\u62a5\u8b66\u4fe1\u53f7\u6216\u5207\u65ad\u7535\u6e90\u3002
\u5982\u679c\u662f\u4e25\u91cd\u4e8b\u6545\uff0c\u53d8\u538b\u5668\u6cb9\u5927\u91cf\u6c7d\u5316\uff0c\u6cb9\u6c14\u51b2\u7834\u5b89\u5168\u6c14\u9053\u7ba1\u53e3\u7684\u5bc6\u5c01\u73bb\u7483\uff0c\u51b2\u51fa\u53d8\u538b\u5668\u6cb9\u7bb1\uff0c\u907f\u514d\u6cb9\u7bb1\u7206\u88c2\u3002
5-3 \u53d8\u538b\u5668\u7684\u989d\u5b9a\u503c
(1)\u989d\u5b9a\u7535\u538bU1N/U2N
\u5355\u4f4d\u4e3aV\u6216\u8005kV\u3002U1N\u4e3a\u6b63\u5e38\u8fd0\u884c\u65f61\u6b21\u4fa7\u5e94\u52a0\u7684\u7535\u538b\u3002U2N\u4e3a1\u6b21\u4fa7\u52a0\u989d\u5b9a\u7535\u538b\u30012\u6b21\u4fa7\u5904\u4e8e\u7a7a\u8f7d\u72b6\u6001\u65f6\u7684\u7535\u538b\u3002
\u4e09\u76f8\u53d8\u538b\u5668\u4e2d\uff0c\u989d\u5b9a\u7535\u538b\u6307\u7684\u662f\u7ebf\u7535\u538b\u3002
(2)\u989d\u5b9a\u5bb9\u91cfSN
\u5355\u4f4d\u4e3aVA/kVA/MVA
SN\u4e3a\u53d8\u538b\u5668\u7684\u89c6\u5728\u529f\u7387\u3002\u901a\u5e38\u628a\u53d8\u538b\u56681\u30012\u6b21\u4fa7\u7684\u989d\u5b9a\u5bb9\u91cf\u8bbe\u8ba1\u4e3a\u76f8\u540c\u3002
(3)\u989d\u5b9a\u7535\u6d41I1N/I2N
\u5355\u4f4d\u4e3aA/kA\u3002\u662f\u53d8\u538b\u5668\u6b63\u5e38\u8fd0\u884c\u65f6\u6240\u80fd\u627f\u62c5\u7684\u7535\u6d41\uff0c\u5728\u4e09\u76f8\u53d8\u538b\u5668\u4e2d\u5747\u4ee3\u8868\u7ebf\u7535\u6d41\u3002
\u5bf9\u5355\u76f8\uff1aI1N=SN/U1N I2N=SN/U2N
\u5bf9\u4e09\u76f8\uff1a
I1N=SN/[sqrt(3)U1N]
I2N=SN/[sqrt(3)U2N]
(3)\u989d\u5b9a\u9891\u7387fN
\u5355\u4f4d\u4e3aHz,fN=50Hz
\u6b64\u5916\uff0c\u94ed\u724c\u4e0a\u8fd8\u4f1a\u7ed9\u51fa\u4e09\u76f8\u8054\u63a5\u7ec4\u4ee5\u53ca\u76f8\u6570m/\u963b\u6297\u7535\u538bUk/\u578b\u53f7/\u8fd0\u884c\u65b9\u5f0f/\u51b7\u5374\u65b9\u5f0f/\u91cd\u91cf\u7b49\u6570\u636e\u3002
\u5982\u53d8\u538b\u5668\u4f4e\u538b\u4fa7\u4e3aY\u63a5\u7ebf\uff0c\u7ebf\u7535\u538b\u662f660V\uff0c\u90a3\u4e48\u76f8\u7535\u538b\uff08\u5bf9\u96f6\u7ebf\u7684\u7535\u538b\uff09\u4e3a666/\u221a3=380v
你的问题是不是有问题？你是说变压器一次侧是660V，变压器二次侧电压不平衡，第三相差出这么多，先检查一次侧电压是否平衡，如果输入电压没问题，那就是变压器内第三相绕组短路了，报修吧绛旓細鍏蜂綋鏉ヨ锛岃灏660V鐨鐢靛帇闄嶄綆鍒380V锛鍙互浣跨敤涓涓対鏁版瘮閫傚綋鐨勫彉鍘嬪櫒銆傚鏋滄垜浠皢涓娆＄粫缁勭殑鍖濇暟璁剧疆涓浜屾缁曠粍鍖濇暟鐨1.74鍊嶏紙鍥犱负660V闄や互380V绛変簬1.74锛夛紝閭ｄ箞褰660V鐨勭數鍘嬫柦鍔犲湪涓娆＄粫缁勪笂鏃讹紝浜屾缁曠粍灏变細浜х敓澶х害380V鐨勭數鍘嬨傝繖鏍凤紝鎴戜滑灏辨垚鍔熷湴灏660V鐨勭數鍘嬮檷鍒颁簡380V銆傚綋鐒讹紝鍦ㄥ疄闄呮搷浣滀腑...
绛旓細1T銆2T銆3T涓娆″拰浜屾渚鐨勯瀹鐢靛帇鍥剧焊涓婃爣寰楀緢娓呮鍛,灏辨槸鍥句腑鍚勫彉鍘嬪櫒鍓嶅悗鎵鏍囩殑鐢靛帇銆1T涓娆℃槸35KV銆佷簩娆′晶鏄10KV;2T涓娆℃槸10KV銆佷簩娆′晶鏄660V;3T涓娆℃槸10KV銆佷簩娆′晶鏄380V;
绛旓細閰嶇數鍙樺帇鍣浜屾渚鐨勭數婧,瀹冩槸鏈濂界殑閰嶅鏂矾鍣ㄧ灛鏃惰劚鎵ｈ瀹氬肩殑3鍊,瀹归噺kVA銆傝鏄:(1)褰撴柇璺櫒浣滀负鐢靛姏鍙樺帇鍣ㄤ簩娆′緵鐢电嚎璺紑鍏,鏂矾鍣ㄨ烦闂歌瀹氬肩灛鏃跺姩浣,涓鑸 *** 鐢靛伐鐔熸倝鐨勫簲鐢ㄧ▼搴忛渶瑕佸叕寮忓阀濡欏湴鍒╃敤浣鐢靛帇娴嬭瘯浠父鐢ㄧ數宸ヤ綆鐢靛帇娴嬭瘯浠綔涓轰竴涓緟鍔╁畨鍏ㄨ澶,鐢ㄤ簬妫鏌500V浠ヤ笅瀵间綋鎴栧悇绉鐢垫皵璁惧澶栧３甯︾數銆備竴涓櫘閫...
绛旓細鐓ょ熆浜曚笅渚涚數绯荤粺1140V鍜660V浣跨敤涓夌浉涓夌嚎鍒朵緵鐢电郴缁燂紝鍙樺帇鍣浜屾渚娌℃湁闆剁嚎锛堜腑鎬х偣锛夊紩鍑虹瀛愩傚墠鏈熸湁閮ㄥ垎鐭跨敤鍙樺帇鍣ㄤ簩娆′晶鏈変腑鎬х偣寮曞嚭绔瓙锛屽鏋滅敤鍦ㄥ湴闈紝涓х偣鍙互鎺ュ湴銆傛病鏈夋槑鏂囪瀹氫簳涓嬩緵鐢电郴缁熷繀椤绘槸涓夌浉涓夌嚎鍒讹紝浣犳彁鍑虹敤涓夌浉鍥涚嚎鍒讹紝鍙闆剁嚎涓嶆帴鍦颁篃鑳借揪鍒板湪涓姹傦紝浣嗕簳涓嬬熆鐢ㄧ數缂嗘弧瓒充笉浜嗗湪...
绛旓細1銆660v浣庡帇鐢电綉鐢垫満鐨勭粷缂樼數闃绘槸0.66鍏嗘銆2銆佺粷缂樼數闃绘槸鐢垫皵璁惧鍜岀數姘旂嚎璺渶鍩烘湰鐨勭粷缂樻寚鏍囥傚浜庝綆鍘嬬數姘旇缃殑浜ゆ帴璇曢獙锛屽父娓╀笅鐢靛姩鏈恒侀厤鐢佃澶囧拰閰嶇數绾胯矾鐨勭粷缂樼數闃讳笉搴斾綆浜0.5M惟(瀵逛簬杩愯涓殑璁惧鍜岀嚎璺紝缁濈紭鐢甸樆涓嶅簲浣庝簬1M惟/kV)銆備綆鍘嬬數鍣ㄥ強鍏惰繛鎺ョ數缂嗗拰浜屾鍥炶矾鐨勭粷缂樼數闃讳竴鑸笉搴斾綆浜1M惟...
绛旓細鍚屽織浣犺繖ATS48涓嶆槸鍙橀鏄蒋鍚姩锛屼綘妫娴嬬殑鐢靛帇鑲畾鏄櫄鐨鐢靛帇锛杞惎鍔ㄤ笉瀹规槗鎹熷潖鐨勩傚彲浠ユ彁渚涜缁嗙殑鐢ㄦ埛鎵嬪唽缁欎綘锛岄渶瑕佸彲浠ュ彂缁欎綘锛屾垜杩欎笓涓氱淮淇柦鑰愬痉鐢垫皵浜у搧銆
绛旓細涓銆鐢垫皵璁惧涔犳儻涓婂皢1KV鍙婁互涓婂垝涓洪珮鍘嬶紝1KV浠ヤ笅涓轰綆鍘嬨1銆佽岀數鍔涚郴缁熷浜鐢靛帇鐨勫垝鍒嗕负锛1KV浠ヤ笅涓轰綆鍘嬶紝1KV-66KV涓轰腑鍘嬶紝66kv-330KV鏄珮鍘嬶紝330KV-750KV 涓鸿秴楂樺帇锛750KV浠ヤ笂鏄壒楂樺帇 瀵逛簬寮鍏虫煖鏉ヨ锛屼綆鍘嬭寖鍥存槸500V浠ヤ笅銆2銆佷絾鏄釜鍒叅鐭660V涔熷垝鍦ㄤ綆鍘嬩緵鐢佃寖鍥撮噷锛涗腑鍘嬪3KV锛6KV鍜10KV锛...
绛旓細绗竴锛屾敼瑁呭悗鐢电剨鏈虹嚎鍦堟壙鍙楃殑浣660V鐢靛帇銆佺數娴佸皬浜庡師鐢电剨鏈虹殑棰濆畾鐢垫祦銆傚惁鍒欑嚎鍦堝氨浼氳鍑荤┛鍜岀儳鍧忋傜浜岋紝鏀硅鍚庣數鐒婃満鐨勭┖杞界數鍘嬪簲鍦60V-80V涔嬮棿銆傚洜涓鸿秴杩80V灏嗕細瀵逛汉韬畨鍏ㄩ犳垚鍗卞锛屼綆浜60V浼氬杈惧埌鐒婃帴宸ヨ壓瑕佹眰閫犳垚鍥伴毦銆備负姝わ紝缁煎悎鍘熺剨鏈烘帴娉曗厾鍜屾帴娉曗叀鐨勭壒鐐癸紝灏嗙數鐒婃満绾垮湀涓娆′晶涓叉帴锛岃浜屾...
绛旓細棰樹富鏄惁鎯宠闂660鍙220鍙樺帇鍣浜屾渚婕忕數鐨勫師鍥犫濓紵銆佺嚎璺笂瀛樺湪鐢垫皵璁惧婕忕數銆佺嚎璺笂鏈変竴涓浉鎺ュ湴銆1銆佺嚎璺笂瀛樺湪鐢垫皵璁惧婕忕數锛屽仠鐢佃繘琛屾淇紝鎵惧嚭婕忕數鐨勮澶囪繘琛岀淮淇紝骞舵壘鍑烘姢瑁呯疆鏈姩浣滅殑鍘熷洜銆2銆佺嚎璺笂鏈変竴涓浉鎺ュ湴锛屼娇闆剁嚎甯︾數锛屽仠鐢靛悗锛岃鍏堜娇鐢ㄦ憞琛ㄦ祴閲忕嚎璺紝浠ユ煡鐪嬬嚎璺腑鏄惁瀛樺湪缁濈紭涓嶈壇銆
绛旓細璇绠鍖,鍒欏彲鎺ㄥ鍑鸿绠楀悇鐢靛帇绛夌骇渚ч瀹氱數娴佺殑鍙ｈ瘈:瀹归噺绯绘暟鐩镐箻姹傘傚凡鐭ュ彉鍘嬪櫒瀹归噺,閫熺畻鍏朵竴銆浜屾淇濇姢鐔旀柇浣(淇楃О淇濋櫓涓)鐨勭數娴佸笺傚彛璇b :閰嶅彉楂樺帇鐔旀柇浣,瀹归噺鐢靛帇鐩告瘮姹傘傞厤鍙樹綆鍘嬬啍鏂綋,瀹归噺涔9闄や互5銆傝鏄:姝ｇ‘閫夌敤鐔旀柇浣撳鍙樺帇鍣ㄧ殑瀹夊叏杩愯鍏崇郴鏋佸ぇ銆傚綋浠呯敤鐔旀柇鍣ㄤ綔鍙樺帇鍣ㄩ珮銆佷綆鍘嬩晶淇濇姢鏃,鐔斾綋鐨勬纭夌敤鏇...
