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  1. Petrochem111

    VSD Starting and Line Transfer

    We have implemented ATV 630 with by pass contactor scheme for starting 03 numbers Multistage Plunger pump system. ATC 630 donot have line synchronization provisions, so we have opted for open transition. Motor is 400 V 50Hz 200 KW 1480 rpm and pump is 208 rpm with gear system in between. Pump...

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