rajha power sector details
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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage
In an LT pole, the line voltage is 415V. How is it converted to 230V into the house via the service cable?
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
how to select earthing wire? procedures and parameters?
What are the types of control system?
what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.
Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.
where HT & LT capacitor uses ?
If not maintained 3 phase clearance,what happened ?
what is the diff b/w HP and KW
how we check vector group dyn7
Write down the name of 2 lady Bir Pratin of Bangladesh
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