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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
1977what types of fault occurred in transmission line ? which protection function senses the fault?
1 3311what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?
1 4468I am an electrical engineer, I found variation in KWH between DG and EB for Same load for same duration, can any one help me why this variation arises?
1 4111What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.
JLL, Nokia, Uttam Galva,
2645What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?
JLL,
3 10023transformer is connected with 50hz and 60hz at same rating which will give more output on same rating
2 4229As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
NAL,
3719i have 6oo kva dry type transformer and its neutral is not grounded even body of transformer ground i want to know it is safe or not ?
2 4699Post New Electrical Engineering Questions
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.
what is the difference between gas group b and gas group c electrical equipment construction wise?
what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer
can anyone send me some sample question regarding power grid corp
What is formula calculation size cable wire ?
i want to know about torque of slip ring induction motor
how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.
Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?
Differentiate between Zero and Negative sequence current
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
What is Control & Relay Panel? And Remote Control Center?
What is class ab operation?
What is Anemometer used to measure?
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
why a tester wont shock while testing the power in house
