Ⅰ 濡備綍閫夋嫨鐢電紗
閫夋嫨瀵肩嚎錛1.鏈烘板己搴︼紝2.瀹夊叏榪囨祦錛3.鏈絝鐢靛帇鎹熷け錛4.鏈夊姛鎹熻楋紝5.婊¤凍鍙戠儹絳夊畻鍚堣冭檻銆
濡傛灉閫夋嫨鐢電紗錛屽洜涓哄湴鍩嬶紝搴旈栧厛鑰冭檻婊¤凍鍙戠儹瑕佹眰錛涢氬父閾滆姱鐢電紗鎸夌粡嫻庣數嫻佸瘑搴2.25A/mm2閫夋嫨錛屼絾瀹炶返緇忛獙鏄涓嶅疁瓚呰繃1.5Amm2銆
濡傞橈細涓鍙1250鐨勫彉鍘嬪櫒10kv渚ч濆畾鐢墊祦I=P/鈭3 U綰=1250/1.732*10=1250/17.32=72.17A
72.17/1.5=48.11A錛屽彲閫夋嫨YJv鎴朰Jv22鈥3*50mm2鐢靛姏鐢電紗錛4鍙1250kva鍙樺帇鍣ㄥ叡棰濆畾鐢墊祦涓72.17*4=288.68A 288.68/1.5=192.45mm2 鑰冭檻瑁曞害鍙閫3*240mm2鐨刌Jv鎴朰Jv22鐢靛姏鐢電紗銆
Ⅱ 濡備綍閫夋嫨鐢電紗錛
1銆佺數綰跨數緙嗗瀷鍙風殑閫夋嫨
錛1錛夐夌敤鐢電嚎鐢電紗鏃訛紝瑕佽冭檻鐢ㄩ旓紝鏁瘋炬潯浠跺強瀹夊叏鎬э紱
錛2錛夋牴鎹鐢ㄩ旂殑涓嶅悓錛氬彲閫夌敤鐢靛姏鐢電紗銆佹灦絀虹粷緙樼數緙嗐佹帶鍒剁數緙嗙瓑錛
錛3錛夋牴鎹鏁瘋炬潯浠剁殑涓嶅悓錛氬彲閫夌敤涓鑸濉戞枡緇濈紭鐢電紗銆侀挗甯﹂摖瑁呯數緙嗐侀挗涓濋摖瑁呯數緙嗐侀槻鑵愮數緙嗙瓑錛
錛4錛夋牴鎹瀹夊叏鎬ц佹眰錛氬彲閫夌敤闃葷噧鐢電紗銆佹棤鍗ら樆鐕冪數緙嗐佽愮伀鐢電紗絳夈
2銆佺數綰跨數緙嗚勬牸鐨勯夋嫨
錛1錛夌『瀹氱數綰跨數緙嗙殑浣跨敤瑙勬牸錛堝間綋鎴闈錛夋椂錛屽簲鑰冭檻鍙戠儹錛岀數鍘嬫崯澶憋紝緇忔祹鐢墊祦瀵嗗害錛屾満姊
寮哄害絳夋潯浠躲
錛2錛変綆鍘嬪姩鍔涚嚎鍥犲叾璐熻嵎鐢墊祦杈冨ぇ錛屾晠涓鑸鍏堟寜鍙戠儹鏉′歡閫夋嫨鎴闈錛岀劧鍚庨獙綆楀叾鐢靛帇鎹熷け鍜屾満姊板己搴︼紱
錛3錛変綆鍘嬬収鏄庣嚎鍥犲叾瀵圭數鍘嬫按騫寵佹眰杈冮珮錛屽彲鍏堟寜鍏佽哥數鍘嬫崯澶辨潯浠墮夋嫨鎴闈錛屽啀楠岀畻鍙戠儹鏉′歡鍜屾満姊板己搴︼紱
錛4錛夐珮鍘嬬嚎璺錛屽垯鍏堟寜緇忔祹鐢墊祦瀵嗗害閫夋嫨鎴闈錛岀劧鍚庨獙綆楀叾鍙戠儹鏉′歡鍜屽厑璁哥數鍘嬫崯澶便