变频器制动电阻选择 变频器为什么使用制动电阻?在什么情况下使用?
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制动电阻150欧姆400W,功率400W是不是配小了,参照一下说明书。制动电阻功率一般为电机功率乘以制动频度。
陶瓷波纹电阻散热比较好,电梯电动机制动好像都用这种电阻的。
可以选大一些的电阻,就是功率大一些的,当然阻值要一致
用陶瓷波纹电阻效果更好。
你这种情况应该加大电阻功率,铝壳部分电阻功率是不够的,负载功率阻达也可适当调整
如果是特殊高速制动情况下要提前说明,并放大电阻功率。
换瓷波纹电阻的可以,可以适当放大功率
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绛旓細1銆侀鍏堢‘璁鍙橀鍣鍨嬪彿锛屽鏋滅敤鎴閫夋嫨15kW锛屼笉甯︽护娉㈠櫒鐨勫瀷鍙蜂緥濡6SL3210-5BE31-5UV0锛屾牴鎹牱鏈腑鎻愪緵鐨勫昂瀵镐负FSD锛涘洜姝ら渶瑕佷娇鐢ㄩ傚悎FSD灏哄鐨勭數闃汇2銆佸叾娆$‘璁鍒跺姩鐢甸樆澶у皬锛屾牴鎹タ闂ㄥ瓙鍙橀鍣⊿INAMICS V20绯诲垪涓紝FSD鐨勫昂瀵革紝閫夋嫨鐨勭數闃诲瀷鍙蜂负6SL3201-0BE23-8AA0锛屽畠鐨勫弬鏁颁负30娆у锛岃繛缁姛鐜900W銆3...
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绛旓細380v锛4kw鍙橀鍣閰嶇浉鍖归厤鐨勫埞杞︾數闃150涓200惟宸﹀彸銆1銆鍒跺姩鐢甸樆鐨閫夋嫨涓庝綘鐨勭數鍔ㄦ満鎷栧姩鐨勮礋杞藉拰杩愯鏂瑰紡鏈夊叧锛屼笌鍙橀鍣ㄧ殑瀹归噺鏃犲叧銆備綘鐨15kw鐢垫満閫夋嫨18.5kw鎴栬22kva鐨勫彉棰戝櫒鏄悎閫傜殑銆傚鏋18.5kva锛屾垜瑙夊緱鐢垫祦鍙兘鍋忓皬銆2銆佸埗鍔ㄧ數闃荤殑瀹归噺锛坘w鏁帮級鍦ㄩ渶瑕侀暱鏃堕棿鍒跺姩鐨勬儏鍐典笅浼氭瘮杈冨ぇ銆備笉闇瑕佸埗鍔ㄧ殑...
绛旓細鍒跺姩鐢甸樆鐨閫夋嫨涓鑸槸浼扮畻锛岃繕瑕佹牴鎹疄闄呮儏鍐垫潵璋冩暣銆備竴鑸彇R=U/IE---2U/IE.锛屽氨鏄鍒跺姩鏃剁洿娴佹瘝绾跨數鍘嬩竴鑸彇700V銆傛瘮濡11KW鐨鍙橀鍣棰濆畾鐢垫祦鍋囪涓24A锛岄偅700/24澶х害鍐30娆у鍜60娆у涔嬮棿銆傚姛鐜囬夋嫨涓鑸琍=M*U*U/R =M*700*700*R, M鏄瘮渚嬬郴鏁颁竴鑸彇0.3鍒0.5锛岀數鍘嬭繕鏄彇700锛岀數闃诲氨鍋囪...
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