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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

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闁辫畝锛�5039鏅傞枔锛�2010-10-20 11:05:43

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鍒嗛

銆�銆�瑭﹂璁婂鍣ㄦ寜鍩烘湰鍘熺悊鐨勪笉鍚屽垎鐐哄共寮忚│椹楄畩澹撳櫒銆佹补寮忚│椹楄畩澹撳櫒銆佸厖姘ｅ紡瑭﹂璁婂鍣�銆�

瀹归噺閬告搰

銆�銆�妯欑ū瑭﹂璁婂鍣ㄥ閲廝n鐨勭⒑瀹氬叕寮忥細Pn=KVn2蠅Ct脳10-9

銆�銆�寮忎腑锛� Pn----妯欑ū瑭﹂璁婂鍣ㄥ閲忥紙kVA锛�

銆�銆�Vn-----瑭﹂璁婂鍣ㄧ殑椤嶅畾杓稿嚭楂樺鐨勬湁鏁堝�硷紙kV锛�

銆�銆�K------瀹夊叏绯绘暩(sh霉)銆侹鈮�1锛屾绋遍浕澹揤n鈮�1MV鏅�锛孠=2锛屾绋遍浕澹撹純浣庢檪锛孠鍊煎彲鍙栭珮涓�浜涖��

銆�銆�Ct-----琚│鍝佺殑闆诲閲忥紙PF锛�

銆�銆�蠅----瑙掗牷鐜�锛� 蠅=2蟺f锛� f----瑭﹂闆绘簮鐨勯牷鐜�

銆�銆�琚│瑷�(sh猫)鍌欑殑闆诲閲廋t鍙敱浜ゆ祦闆绘⿱娓嚭銆侰t鐨勮畩鍖栧緢澶э紝鍙敱瑷�(sh猫)鍌欑殑椤炲瀷鑰屽畾銆傚吀鍨嬫暩(sh霉)鎿�(j霉)濡備笅锛�

銆�銆�绨″柈鐨勬⿱寮忔垨鎳稿紡绲曠罚瀛愬咕鍗佸井娉�

銆�銆�绨″柈鐨勫垎绱氬绠�100 - 1000PF

銆�銆�闆诲浜掓劅鍣�200 - 500PF

銆�銆�闆诲姏璁婂鍣� < 1000kVA - 1000PF

銆�銆�> 1000kVA1000 - 10000PF

銆�銆�楂樺闆诲姏闆荤簻鍜屾补娴哥礄绲曠罚250 - 300PF/m

銆�銆�姘ｉ珨绲曠罚 - 60PF/m

銆�銆�灏侀枆璁婇浕绔欙紝SF6姘ｉ珨绲曠罚100 - 10000PF

銆�銆�灏嶄簬涓嶅悓鐨勮│椹楅浕澹揤n锛岄伕鎿囦笉鍚岀殑锛堥仼鐣�?sh霉)妯♀攲韪╊倢绂�?sh霉)K銆備互涓婂垪鍑轰笉鍚岀殑Vn鎵�閬哥敤鐨凨鍊间緵鍙冭��

銆�銆�Vn = 50-100kV  K=4

銆�銆�Vn = 150-300kV  K=3

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浣跨敤娉ㄦ剰浜嬮爡

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