The invention discloses a single interlock circuit for operation control in timing automatic conversion of forward and reverse rotation of a motor, belonging to the field of electric control. A control loop mainly includes a button switch SB1, a button switch SB2, a relay KM3, a contactor KM...
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When the motor start circuit of closed star-delta conversion is started, firstly, the contactors (KM1), (KM2) are closed orderly, after ten seconds, the contactor (KM3) is closed, and then, the contactor (KM1) is switched off; after the contactor (KM3) is closed for two seconds, ...
外语学习--英语读物 文档标签: Comm 系统标签: commoditytablesconversionunitsgoatstownbirches CONNECTECHENGINEERINGCONSULTINGLTD. N7DromartinCastle,BirchesLane,Goatstown,Dublin14IRELAND,Phone/Fax+35312967734, Mobile+353863168762,Email:kbenmadhi@connectechengineering Web:.connectechengineering Page1of4 ® Commodi...
变频运行,也可以经过KM1工频运行;2#电动机可 以经过KM3、KM6变频运行,也可以经KM4工频运 行。其中KMI与KM2、KM5,KM4与KM3、KM6实 现电气互锁;KM2与KM3、KM5与KM6实现互锁, 确保一台电动机不会同时处于变频、工频两种运行 状态,一台变频器不会驱动两台电动机运行。 收稿日期:2012-06-09 作者简介:成福...
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