Answer / varudharajan

dear friends,
normally the vfd output depend upon the triggering of
igbt.so the output varied from from frequency level.

in the thermal power plant, why we use the condenser (for cooling the steam) when we have to heat the steam again. i mean why we are cooling the steam,

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what you mean by transformer neutral earthig

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why nearly all the voltage levels are in the multiples of 11 like 3.3 ,6.6 ,33 ,11 kv.....

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