1391B-ESAA45
1391B-ESAA45
1391B-ESAA45
异步电机启动性能主要有两个指标:启动电流倍数和启动转矩倍数,软启动器在启动时通过改变加在电机上的电源电压,以减小启动电流、启动转矩。电动机传统启动方式有自耦减压、Y/△减压等方式,其共同特点是控制线路简单,启动转矩不可调并有二次冲击电流,对负载有冲击转矩。软启动可标准电机硬启动电流的50%,是高效电动机硬启动电流的20%。软启动的限流特性可有效限制浪涌电流,避免不必要的冲击力矩以及对配电网
络的电流冲击,有效地减少线路刀闸和接触器的误触发动作;对频繁启停的电动机,可有效控制电动机的温升,延长电动机的寿命。目前应用较为广泛、工程中常见软启动器是晶闸管(SCR)软启动。SCR软启动原理:在三相电源与电机间串入三相联晶闸管,利用SCR移相控制原理，改变其触发角,启动时电机端电压随SCR的导通角从零
＆ 公司全称 ： 厦门泰尼电气有限公司
＆ 销售代表 ： 小黄
＆ 洽谈电话 ：
＆手机：
＆ 商务 QQ ： 2917675397
＆ 传真（FAX)： （请注明，01006收）
＆ 公司地址 ： 厦门市海沧区海沧街道滨湖一里7号
＆ 公司网址 ： www.xmtaini.com
OKUMA OSP 3000 PC-1667-C POSITION READ BOARD E4809-032-
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FANUC AC MOTOR 0S A06B-0313-B003
1994 HITACHI SEIKO SEIKI EDM HCUT 203 PART ??
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FANUC A06B-0512-B504 SERVO MOTOR A06B0512B504 CINCINNAT
HITACHI EDM CONTROL OPERATING PANEL HANDA N86D-3616-R00...
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VTM G31-195 GH 2802 F075 FENICE MONITOR BOARD F075 BIES
ALPHA CONTROL TOOL KNOCKOUT AIR CYLINDER ALPHA CINCINNA
