Answer Posted / suresh
process by which a current,develops from an electrode with a
high potential in a neutral fluid, usually air, by ionizing
that fluid so as to create a plasma around the electrode.
The ions generated eventually pass charge to nearby areas of
lower potential, or recombine to form neutral gas molecule,
then produce a ight arround the conductor is known as
corona.......
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what is v/f control in VFD?
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?
please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in
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