好吊日免费视频区域在线观看_亚洲风情第37页久久网_人人射人人操人人色_高清无码视频在线免费观看_亚洲色av手机在线观看_草草久久偷拍美女视频_漂亮人妻洗澡被强BD中文_人妻在线a√公开视频_四虎成人精品在永久免费

鏂拌仦涓績

News Center

濡備綍瑷堢畻鎵�闇�闆荤窔鐨勬埅闈㈢⿳锛�

鐧�(f膩)甯冩檪闁擄細

2024-08-29

渚嗘簮锛�

棣栧厛鏍规摎(j霉)绺藉姛鐜�锛岃▓绠楀嚭閫欐绶氳矾鐨勯浕娴�
  1. 纰哄畾璨犺級椤炲瀷鍜屽姛鐜囷細

棣栧厛锛岄渶瑕佹槑纰洪浕绶氱窔璺皣閫ｆ帴鐨勮矤杓夐鍨嬶紙濡傞浕闃绘�ц矤杓�銆侀浕鎰熸�ц矤杓夈�侀浕瀹规�ц矤杓夋垨瀹冨�戠殑绲勫悎锛変互鍙婃瘡鍊嬭矤杓夌殑椤嶅畾鍔熺巼銆傝矤杓夌殑鍔熺巼閫氬父浠ョ摝鐗癸紙W锛夌偤鍠綅銆�

  1. 瑷堢畻绺藉姛鐜囷細

濡傛灉绶氳矾閫ｆ帴浜嗗鍊嬭矤杓�锛岄渶瑕佸皣鎵�鏈夎矤杓夌殑鍔熺巼鐩稿姞锛屽緱鍒扮附鍔熺巼銆傞�欐槸绶氳矾闇�瑕佹彁渚涚殑绺借兘閲�銆�

  1. 纰哄畾闆诲锛�

鐭ラ亾璨犺級鐨勯瀹氶浕澹撳皪浜庤▓绠楅浕娴佽嚦闂�(gu膩n)閲嶈銆傚湪澶у鏁�(sh霉)浜ゆ祦锛�AC锛夐浕鍔涚郴绲�(t菕ng)涓�锛岄浕澹撴槸宸茬煡鐨勶紝濡�220V銆�230V銆�240V銆�400V鎴栨洿楂橈紝鍏烽珨鍙栨焙浜庡湴鐞嗕綅缃拰闆荤恫(w菐ng)妯欐簴銆�

  1. 鎳�(y墨ng)鐢ㄦ瓙濮嗗畾寰嬫垨鍔熺巼鍏紡锛�

灏嶄簬鐩存祦锛�DC锛夐浕璺紝鍙互鐩存帴浣跨敤姝愬瀹氬緥锛�I = V / R锛変締瑷堢畻闆绘祦锛屼絾閫氬父鎴戝�戜笉鐭ラ亾闆婚樆R鐨勭⒑鍒囧��锛岄櫎闈炶矤杓夋槸绨″柈鐨勯浕闃绘�цō(sh猫)鍌欍��

灏嶄簬浜ゆ祦闆昏矾鍜屾湭鐭ラ浕闃荤殑璨犺級锛屾洿甯哥敤鐨勬槸鍔熺巼鍏紡锛�P = IV锛夛紝鍏朵腑P鏄姛鐜�锛�I鏄浕娴侊紝V鏄浕澹�銆傚緸閫欏�嬪叕寮忎腑瑙ｅ嚭闆绘祦I锛屽緱鍒帮細

濡傛灉绺藉姛鐜囨槸澶氬�嬭矤杓夊姛鐜囦箣鍜�锛屽墖閫欏�嬪叕寮忎粛鐒堕仼鐢ㄣ��

  1. 鑰冩叜鍔熺巼鍥犳暩(sh霉)锛�

灏嶄簬闆绘劅鎬ф垨闆诲鎬ц矤杓�锛屽姛鐜囧洜鏁�(sh霉)锛�PF锛夊皬浜�1锛岃〃绀鸿矤杓夊苟鏈畬鍏ㄥ埄鐢ㄦ彁渚涚殑闆昏兘銆傚湪瑷堢畻闆绘祦鏅�锛岄渶瑕佸皣绺藉姛鐜囬櫎浠ュ姛鐜囧洜鏁�(sh霉)渚嗗緱鍒�“瑕栧湪鍔熺巼”锛岀劧鍚庡啀闄や互闆诲渚嗚▓绠楅浕娴併�傚嵆锛�

鍏朵腑Ptotal鏄墍鏈夎矤杓夌殑绺藉姛鐜�

  1. 鑰冩叜瀹夊叏浣欓噺锛�

鍦ㄥ闅涙噳(y墨ng)鐢ㄤ腑锛岀偤浜嗙⒑淇濈郴绲�(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬�锛岄�氬父鏈冪偤瑷堢畻鍑虹殑闆绘祦鍊煎鍔犱竴瀹氱殑瀹夊叏瑁曢噺銆傞�欐剰鍛宠憲閬告搰鐨勯浕绶氬拰瑷�(sh猫)鍌欑殑椤嶅畾闆绘祦鎳�(y墨ng)瑭茬暐楂樹簬瑷堢畻鍑虹殑闆绘祦鍊笺��

鏌ラ柋鐩搁棞(gu膩n)妯欐簴鍜岃(gu墨)鑼冿細

鏈�鍚�锛屾牴鎿�(j霉)鎵�鍦ㄥ湴鍗�(q奴)鐨勯浕姘ｆ婧栧拰瑕�(gu墨)鑼�锛屾鏌ユ墍閬搁浕娴佸�兼槸鍚︾鍚堣姹�銆傞�欎簺妯欐簴鍙兘瑕�(gu墨)瀹氫簡鏈�灏忓皫绶氭埅闈㈢⿳銆佹渶澶ч浕娴佸瘑搴︾瓑鍙冩暩(sh霉)銆�

鍏舵鏍规摎(j霉)闆绘祦鍊�锛岃▓绠楀嚭闆荤窔鐨勬埅闈㈢⿳

鍦ㄩ浕姘ｅ伐绋嬩腑锛岄伕鎿囧悎閬╃殑閵呯窔鎴潰绌嶄互纰轰繚闆绘祦瀹夊叏閫氶亷鏄潪甯搁噸瑕佺殑銆傞�欓��?锛涱媱闄斿◤闉媷绗�庤睂~绶氱殑杓夋祦鑳藉姏銆傛垜鍊戝彲浠ユ牴鎿�(j霉)闋�(y霉)鏈熺殑闆绘祦鍜岄妳绶氱殑杓夋祦鑳藉姏渚嗕及绠楁墍闇�鐨勯妳绶氭埅闈㈢⿳銆�

棣栧厛锛岄渶瑕佷簡瑙ｇ殑鏄紝閵呯窔鐨勮級娴佽兘鍔涜垏鍏舵埅闈㈢⿳銆佺禃绶ｆ潗鏂�銆佺挵(hu谩n)澧冩韩搴︾瓑鍥犵礌鏈夐棞(gu膩n)銆傞�氬父锛屾垜鍊戝彲浠ヤ娇鐢ㄧ稉(j墨ng)椹楀叕寮忔垨鏌ラ柋鐩搁棞(gu膩n)妯欐簴锛堝IEC 60228锛変締鐛插彇涓嶅悓鎴潰绌嶉妳绶氱殑杓夋祦鑳藉姏銆�

浣嗗湪閫欓噷锛屾垜鍊戝彲浠ユ彁渚涗竴鍊嬬啊鍖栫殑鏂规硶渚嗕及绠�锛屽嵆浣跨敤“缍�(j墨ng)婵熼浕娴佸瘑搴�”鐨勬蹇�銆傜稉(j墨ng)婵熼浕娴佸瘑搴︽槸涓�鍊嬬稉(j墨ng)椹楀��锛岃〃绀哄湪鐗瑰畾姊濅欢涓嬶紝姣忓钩鏂规绫抽妳绶氭埅闈㈢⿳鎵�鑳藉畨鍏ㄦ壙杓夌殑闆绘祦澶у皬銆傞�欏�嬪�兼渻鏍规摎(j霉)涓嶅悓鐨勬噳(y墨ng)鐢ㄥ拰鐠�(hu谩n)澧冩浠惰�岃畩鍖�锛屼絾閫�?锛熸ⅱ鏍�?/font>2A/mm²鍒�6A/mm² 涔嬮枔銆�

鍋囪ō(sh猫)鎴戝�戝凡鐭ラ爯(y霉)鏈熺殑闆绘祦I锛堝柈浣嶏細瀹夊煿A锛�锛屽苟閬告搰涓�鍊嬬稉(j墨ng)婵熼浕娴佸瘑搴�J锛堝柈浣嶏細瀹夊煿姣忓钩鏂规绫�A/mm²锛�锛屽墖鍙互閫氶亷浠ヤ笅鍏紡渚嗕及绠楁墍闇�鐨勯妳绶氭埅闈㈢⿳S锛堝柈浣嶏細骞虫柟姣背mm²锛夛細

S= I / J 

渚嬪锛屽鏋滈爯(y霉)鏈熺殑闆绘祦鏄�100A锛屾垜鍊戦伕鎿囩殑缍�(j墨ng)婵熼浕娴佸瘑搴︽槸4A/mm²锛屽墖鎵�闇�鐨勯妳绶氭埅闈㈢⿳鐐猴細S=100A/4A/mm² =25mm²

閫欐剰鍛宠憲锛岀偤浜嗗畨鍏ㄥ湴鎵胯級100A鐨勯浕娴侊紝鎴戝�戞噳(y墨ng)瑭查伕鎿囨埅闈㈢⿳鑷冲皯鐐�25mm²鐨勯妳绶�銆�

璜嬫敞鎰忥紝閫欏彧鏄竴鍊嬩及绠楁柟娉�锛屽苟涓斿湪瀵﹂殯鎳�(y墨ng)鐢ㄤ腑锛岄倓闇�瑕佽�冩叜鍏朵粬鍥犵礌锛屽閵呯窔鐨勭禃绶ｅ堡銆佺挵(hu谩n)澧冩韩搴�銆佹暦瑷�(sh猫)鏂瑰紡绛�锛岄�欎簺閮藉彲鑳藉奖闊块妳绶氱殑杓夋祦鑳藉姏銆傚洜姝�锛屽湪閫茶鍏烽珨瑷�(sh猫)瑷堟檪锛屾渶濂藉弮鑰冪浉闂�(gu膩n)鐨勯浕姘ｆ婧栧拰瑕�(gu墨)鑼�銆�