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what will happen if a part of primary winding of a transformer is accidentally short-circuited?
2 6251any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
2242where we sense the fault from the transmission lines?any operation example for distance relay?rear panel connection for this relay?
1 3233any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
2085help!!!! i bought a new house 2 yrs ago,ive just had 2 new lights fitted,when i boil the kettle,maybe 2 times in succession the safety light switch trips out,it dosnt do it straight away but it seems to do it when the kettle boils!!!!! sounds very odd to me
2 4001one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..
2075Post New Electrical Engineering Questions
I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2
What is milivolt dop test in Busducts? What is its significance & procedure to do the test?
diff b/w normal grounding and resistance grounding
What is Control & Relay Panel? And Remote Control Center?
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
How earthing/grounding done in aeroplanes and ships.
What is the difference between acs 550 & acs 850
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
What are the various types of BUSBAR Schemes? explain each
when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
What is slope...? Explain slope 1 and slope 2...?
What do you mean by a current transformer?
What is the armature mmf in a D.C machine?
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
