Ⅰ 濡备綍阃夋嫨鐢电纱
阃夋嫨瀵肩嚎锛1.链烘板己搴︼纴2.瀹夊叏杩囨祦锛3.链绔鐢靛帇鎹熷け锛4.链夊姛鎹熻楋纴5.婊¤冻鍙戠儹绛夊畻钖堣冭槛銆
濡傛灉阃夋嫨鐢电纱锛屽洜涓哄湴锘嬶纴搴旈栧厛钥冭槛婊¤冻鍙戠儹瑕佹眰锛涢氩父阈滆姱鐢电纱鎸夌粡娴庣数娴佸瘑搴2.25A/mm2阃夋嫨锛屼絾瀹炶返缁忛獙鏄涓嶅疁瓒呰繃1.5Amm2銆
濡傞桡细涓鍙1250镄勫彉铡嫔櫒10kv渚ч濆畾鐢垫祦I=P/鈭3 U绾=1250/1.732*10=1250/17.32=72.17A
72.17/1.5=48.11A锛屽彲阃夋嫨YJv鎴朰Jv22钬3*50mm2鐢靛姏鐢电纱锛4鍙1250kva鍙桦帇鍣ㄥ叡棰濆畾鐢垫祦涓72.17*4=288.68A 288.68/1.5=192.45mm2 钥冭槛瑁曞害鍙阃3*240mm2镄刌Jv鎴朰Jv22鐢靛姏鐢电纱銆
Ⅱ 濡备綍阃夋嫨鐢电纱锛
1銆佺数绾跨数缂嗗瀷鍙风殑阃夋嫨
锛1锛夐夌敤鐢电嚎鐢电纱镞讹纴瑕佽冭槛鐢ㄩ旓纴鏁疯炬浔浠跺强瀹夊叏镐э绂
锛2锛夋牴鎹鐢ㄩ旂殑涓嶅悓锛氩彲阃夌敤鐢靛姏鐢电纱銆佹灦绌虹粷缂樼数缂嗐佹带鍒剁数缂嗙瓑锛
锛3锛夋牴鎹鏁疯炬浔浠剁殑涓嶅悓锛氩彲阃夌敤涓鑸濉戞枡缁濈紭鐢电纱銆侀挗甯﹂摖瑁呯数缂嗐侀挗涓濋摖瑁呯数缂嗐侀槻鑵愮数缂嗙瓑锛
锛4锛夋牴鎹瀹夊叏镐ц佹眰锛氩彲阃夌敤阒荤噧鐢电纱銆佹棤鍗ら樆鐕幂数缂嗐佽愮伀鐢电纱绛夈
2銆佺数绾跨数缂呜勬牸镄勯夋嫨
锛1锛夌‘瀹氱数绾跨数缂嗙殑浣跨敤瑙勬牸锛埚间綋鎴闱锛夋椂锛屽簲钥冭槛鍙戠儹锛岀数铡嬫崯澶憋纴缁忔祹鐢垫祦瀵嗗害锛屾満姊
寮哄害绛夋浔浠躲
锛2锛変绠铡嫔姩锷涚嚎锲犲叾璐熻嵎鐢垫祦杈冨ぇ锛屾晠涓鑸鍏堟寜鍙戠儹𨱒′欢阃夋嫨鎴闱锛岀劧钖庨獙绠楀叾鐢靛帇鎹熷け鍜屾満姊板己搴︼绂
锛3锛変绠铡嬬収鏄庣嚎锲犲叾瀵圭数铡嬫按骞宠佹眰杈冮珮锛屽彲鍏堟寜鍏佽哥数铡嬫崯澶辨浔浠堕夋嫨鎴闱锛屽啀楠岀畻鍙戠儹𨱒′欢鍜屾満姊板己搴︼绂
锛4锛夐珮铡嬬嚎璺锛屽垯鍏堟寜缁忔祹鐢垫祦瀵嗗害阃夋嫨鎴闱锛岀劧钖庨獙绠楀叾鍙戠儹𨱒′欢鍜屽厑璁哥数铡嬫崯澶便