电压误差计算，电压互感器变比110/0.1，测得1次122Kv，2次105v，求电压误差。 电压互感器变比110/√3/0.1/√3/0.1/√3/0....
\u4e00\u53f0\u7535\u538b\u4e92\u611f\u5668,\u578b\u53f7\u4e3ajcc-110,\u6d4b\u7684\u4e00\u6b21\u5b9e\u9645\u7535\u538b\u4e3a114kv,\u4e8c\u6b21\u5b9e\u9645\u7535\u538b\u4e3a105v\u989d\u5b9a\u53d8\u6bd4=110/0.1=1100 \u5b9e\u9645\u53d8\u6bd4=114/0.105=1085.7
\u53d8\u6bd4\u8bef\u5dee=\uff081085.7-1100\uff09/1100=-0.013=-1.3%
\u8bf4\u660e\u8be5\u7535\u538b\u4e92\u611f\u5668\u4e00\u6b21\u989d\u5b9a\u7535\u538b\u4e3a110/\u221a3KV\uff0c\u662f\u7528\u4e8e110KV\u7cfb\u7edf\u7684\u7535\u538b\u4e92\u611f\u5668\u3002\u6709\u4e09\u4e2a\u4e8c\u6b21\u7ed5\u7ec4\uff0c\u4e8c\u6b21\u989d\u5b9a\u7535\u538b\u4e3a0.1/\u221a3KV\uff0c\u8fd8\u6709\u4e00\u4e2a\u5269\u4f59\u7ed5\u7ec4\u989d\u5b9a\u7535\u538b\u4e3a0.1KV\u3002
根据电压互感器变比及二次侧电压，计算一次侧电压为105x110/0.1=115500v=115.5kv与实际测量差122-115.5=6.5kv绛旓細1銆佸浜0.2绾у噯纭害鐨鐢靛帇浜掓劅鍣锛屽叾棰濆畾鐢靛帇姣璇樊涓嶅緱瓒呰繃鐧惧垎涔0.2銆2銆佸浜0.5绾у噯纭害鐨勭數鍘嬩簰鎰熷櫒锛屽叾棰濆畾鐢靛帇姣旇宸笉寰楄秴杩囩櫨鍒嗕箣0.5銆3銆佸浜1.0绾у噯纭害鐨勭數鍘嬩簰鎰熷櫒锛屽叾棰濆畾鐢靛帇姣旇宸笉寰楄秴杩囩櫨鍒嗕箣1銆
绛旓細鐢靛帇浜掓劅鍣ㄥ彉姣锛氫竴娆′晶鐢靛帇姣斾笂浜屾渚х數鍘嬶紙鍗曠浉锛夛紱涓娆′晶绾跨數鍘嬫瘮涓婁簩娆′晶绾跨數鍘嬶紙涓夌浉锛夈傜數娴佷簰鎰熷櫒鍙樻瘮锛氫竴娆′晶鐢垫祦姣斾笂浜屾渚х數娴侊紙鎸夊崟鐩革級銆傜敤鐢甸噺璁＄畻鏂规硶锛氾紙琛ㄧ殑鏈湀绀烘暟锛嶄笂鏈堢ず鏁帮級脳锛堢數鍘嬩簰鎰熷櫒鍙樻瘮锛壝楋紙鐢垫祦浜掓劅鍣ㄥ彉姣旓級銆
绛旓細鐢靛帇浜掓劅鍣ㄥ彉姣鏄寚鐢靛帇浜掓劅鍣ㄤ竴娆′晶鐢靛帇涓庝簩娆′晶鐢靛帇涔嬫瘮銆傜數鍘嬩簰鎰熷櫒鏄竴绉嶇壒娈婄殑鍙樺帇鍣紝鐢ㄤ簬灏嗛珮鐢靛帇杞崲涓轰綆鐢靛帇锛浠ヤ究杩涜娴嬮噺銆佷繚鎶ゅ拰鎺у埗銆傚畠鐨勫彉姣旀槸鎸囦竴娆′晶锛堝嵆楂樺帇渚э級鐨勭數鍘嬩笌浜屾渚э紙鍗充綆鍘嬩晶锛夌殑鐢靛帇涔嬮棿鐨勬瘮鍊笺傝繖涓瘮鍊奸氬父鏄浐瀹氱殑锛岀敤浜庣‘淇濇祴閲忓拰淇濇姢鐨勫噯纭с備緥濡傦紝濡傛灉涓涓數鍘嬩簰...
绛旓細鐢靛帇浜掓劅鍣ㄥ彉姣旀槸鎸囩數鍘嬩簰鎰熷櫒涓娆′晶鐢靛帇涓庝簩娆′晶鐢靛帇鐨勬瘮鍊笺傜數鍘嬩簰鎰熷櫒鏄數鍔涚郴缁熶腑鐨勯噸瑕佽澶囦箣涓锛屽叾涓昏鍔熻兘鏄皢楂樼數鍘嬪彉涓轰綆鐢靛帇锛屼互渚夸簩娆′华琛ㄨ繘琛屾祴閲忋傚湪杩欎竴杩囩▼涓锛岀數鍘嬩簰鎰熷櫒鍙樻瘮鎵紨鐫鑷冲叧閲嶈鐨勮鑹层備笅闈㈡槸鍏充簬鐢靛帇浜掓劅鍣ㄥ彉姣旂殑 1. 瀹氫箟涓庡姛鑳斤細鐢靛帇浜掓劅鍣ㄥ彉姣斿畾涔変负涓娆′晶鐢靛帇涓庝簩娆′晶鐢...
绛旓細鍙互杞寲涓哄彉鍘嬪櫒璁捐璁＄畻甯哥敤鐨勫叕寮忥細褰揻=50Hz鏃讹細u=B*At/450*10^5,V 褰揻=60Hz鏃讹細u=B*At/375*10^5,V 濡傛灉浣犲凡鐭ラ亾鐩鐢靛帇鍜屽対鏁帮紝鍖濈數鍘嬬瓑浜庣浉鐢靛帇闄や互鍖濇暟 璁撅細鍙樺帇鍣ㄧ粫缁勭殑鐢靛帇涓篣锛岄搧蹇冪殑纾佸瘑涓築m銆佺閫氫负桅m锛岄搧蹇冪殑鎴潰涓篠锛岀數婧愰鐜囦负f锛岀粫缁勭殑鍖濇暟涓篘銆傛牴鎹彉鍘嬪櫒鐨勫叕寮忥細U鈮埾鈭...
绛旓細鏍规嵁鐢靛帇浜掓劅鍣ㄥ彉姣鍙婁簩娆′晶鐢靛帇锛岃绠涓娆′晶鐢靛帇涓105x110/0.1=115500v=115.5kv涓庡疄闄呮祴閲忓樊122-115.5=6.5kv
绛旓細锛1锛 渚涗笁鐩哥郴缁熺嚎闂磋繛鎺ョ殑鍗曠浉浜掓劅鍣紝鍏堕瀹氫簩娆＄數鍘嬩负100V銆傦紙2锛 渚涗笁鐩哥郴缁熺浉涓庡湴涔嬮棿鐢ㄧ殑鍗曠浉浜掓劅鍣紝褰撳叾棰濆畾涓娆＄數鍘嬩负鏌愪竴鏁板奸櫎浠ワ紙鏍瑰彿3锛夋椂锛岄瀹氫簩娆＄數鍘嬪簲涓100/鈭3銆傦紙3锛 鐢靛帇浜掓劅鍣鍓╀綑鐢靛帇缁曠粍鐨勯瀹氫簩娆＄數鍘嬶細褰撶郴缁熶腑鎬х偣鏈夋晥鎺ュ湴鏃跺簲涓100V锛涘綋绯荤粺涓х偣涓洪潪鏈夋晥鎺ュ湴鏃跺簲...
绛旓細鐢靛帇浜掓劅鍣鍜岀數娴佷簰鎰熷櫒鍦ㄧ數鍔涚郴缁熶腑璧风潃鍏抽敭鐨勪綔鐢紝瀹冧滑鐨勫彉姣旀槸鐞嗚В鍏跺伐浣滃師鐞嗗拰搴旂敤鐨勫叧閿弬鏁般傜數鍘嬩簰鎰熷櫒鐨鍙樻瘮锛鏃犺鏄崟鐩哥殑涓娆′晶鐢靛帇涓庝簩娆′晶鐢靛帇姣旓紝杩樻槸涓夌浉鐨勭嚎鐢靛帇姣旓紝閮界洿鎺ュ叧绯诲埌鐢甸噺鐨勬祴閲忓拰浼犺緭銆傜數娴佷簰鎰熷櫒鐨勫彉姣斿垯鏄寚涓娆′晶鐢垫祦涓庝簩娆′晶鐢垫祦鐨勬瘮渚嬶紝杩欏浜庣數娴佺殑娴嬮噺鍜屼繚鎶よ澶囩殑...
绛旓細鐢靛帇浜掓劅鍣ㄥ彉姣鏄寚涓娆′笌浜屾鐨勭數鍘嬩箣姣斿硷紝鐩稿綋浜庡彉鍘嬪櫒鐨勫彉姣旓紝涔熸槸涓娆＄粫绾跨牳鏁颁笌浜屾缁曠嚎鐮告暟鐨勬瘮鍊笺傞氬父鐢ㄤ竴娆″拰浜屾鐨勯瀹氱數鍘嬫瘮鍊艰〃绀恒傛甯告儏鍐典笅锛屽洜涓篣a+Ub+Uc=0,鎵浠ワ紝Ua1x1=Ua/Ka1x1+Ub/Ka1x1+Uc/Ka1x1=0 鍙戠敓鍗曠浉鎺ュ湴锛堜緥濡侫鐩革級鏈塙a鈥=0锛孶b鈥=31/2Ub,Ua1x1=100V鍒...
绛旓細鏍规嵁鎮ㄦ彁渚涚殑淇℃伅锛岀數鍘嬩簰鎰熷櫒鐨勯珮鍘嬩晶鐢靛帇涓110,000V锛屼綆鍘嬩晶鐢靛帇涓100V銆鍙樻瘮璁＄畻鍏紡涓猴細鍙樻瘮 = 楂樺帇渚х數鍘 / 浣庡帇渚х數鍘 鎵浠ワ紝鍙樻瘮 = 110,000V / 100V = 1100銆傚洜姝わ紝璇ョ數鍘嬩簰鎰熷櫒鐨勫彉姣斾负1100:1銆傝兘澶熻鎮ㄩ噰绾筹紝鐐圭偣鍏虫敞銆佺偣鐐硅禐 锛 璋㈣阿锛
