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Please explain me about Relay curves and their sources to read ?
what is the significance of tan&delta and how it performed in power transformer
What can you contribute to the progress of our Company as an employee if you are selected?
In what condition the HT fuse breakes?
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
checking procedure of capacitor based motors.used in fans etc?
1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
advantage and disadvantage of team work?
hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites
what is charger supervision and control supervision?
What happens if we run alternator on under frequency?
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
Why are lt windings placed near the core?
what is vA rating and class of a ct.