WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION?
What is the meaning of CT 400-200/1-1 A ?
Re: can you give main difference between ELCB 2pole And RCCB 2pole? And how this devices operated?
For what purpose and why ACBs are used
What will be the output of an alternator ,if the field current is single phase ac supply.
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
What is the full form of AND,OR and other logic gates
when two gen set runing in parallel but thay have diffrent pole pitch, then what will be happan
For which purpose the temp. rise test of transformer is conducted?
What is a fuse? How does it work? What are materials used?
3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
How to improve the power factor from 0.8 to 0.98? Also tell me cost vs benefit analysis.