we have a problem during testing the transformer the
data is 1600kva,delta/star 11kv/380v while we are testing the secondary side we found the voltage is fluctuated from 400V to 500V or 600V or 700V in a (ms)seconds then return back to 400V.
we have a new air blower in our factory,it`s motor comes with a liquid resistance starter from china,aside talk i`m afraid from it coz it`s old fashion it`s brand name is(Shanghai Surpass Sun Electric),model no. is czyq-3000/12-ys web site of company is...
we have a new plant in our factory it is a steam turbine which driven the generator,and it has it protection device,it`s done by Chinese engineers so they told me that the feeder of power grid should be connected always at same time with the generator while it is supplying the plant,some other...
