Submitted Questions

  • PF Card Function

    A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

  • Direction of Vibration motors

    Two electrically operated Vibro Motors are fixed in parallel direction in vibrating feeder. What is the direction of both Vibro Motors?

    Padlock

    • Jan 11th, 2013

    Maybe I wasnt clear on my first answer, if you have two 3 phase vibrators on say a ore feed bin they both operate in different direction ( normally indicated) the wiring connection is different how e...

    linu mohan

    • Dec 30th, 2012

    Both motors direction is same only the counter weight mounted on shaft its angle changes. if opposite direction motor connection done then it will break foundation.