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the circuit having same properties in either direction is
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What is the lockout relay
A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____
i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.
Why to keep capacitor bank off while generator running.
What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.
I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.
In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??
how we can set the IDMT relay.
Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??
When will you multiply and devide with derating factors to the actual value while sizing the cable?
What is the necessary and sufficient condition for stability.
I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting
What are the applications of the electric motors?
how to test the electrical panel.ht lt mcc pcc.
would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......
