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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.
ABB,
2659in GEAFOL Cast-Resin trnaformer of 11/.72kv which has tapping of 11550v,11250,11000,10246v in primary side. To obtain 700v. which tapping should be used of HV side as we have 11000v/720v tapping now .
1 40201. What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?
BCPL,
3 9644Post New Electrical Engineering Questions
Write the force balance equation of ideal spring element.
why to use freewheeling diode ( diode in revers bias mode) across dc coil
what are the tests comes under the type test, what tests comes under routine tests.
What is force on a conductor in a magnetic field ?
A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
Why does the adjacent zone of protection overlap?
EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?
what is the maintaining Cf in UPS.
How can we calculate cable size in Low voltage & high voltage
why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
Why Ac Systems Are Preferred Over Dc Systems?
What are the two basic types of transformers?
What is meant by impedance? difference between high & low impedance ?
What will happen if the d.c. Machine is operated below rated speed?
Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)
