why do we need a 4th wire in 3phase 3wire transmission line6 3798
What are the limiting factor for controlling maximum hot point temperature within a hydrogen and water cooled generator?1 1448
What shall be minimum thickness of firewall in between two transformers and which code specifies it ?1 11629
Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)1 1237
Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)2 3819
what is 'A' Check & 'B' Check ?2 1576
What is single break or Double break related to MCB?2 2297
How to convert KW to KVA or KVAR OR kvar/kva to kw?8 46133
open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?441
Refernce currents are to be generated using refernce cueernts how can this be done
Why squirrel cage motor can only use with low starting loads ?
How line capacitance & line inductance varies with increase in height tower.
HOW TO WRITE A QUENTION ANSWER? I MEAN SHORT OR LENGHTHY ? OR FROM THE BOOK AS BOOK..... SOME TIME WE GIVE A ANS FROM THE BOOK AS LIKE BOOK ND WE GET MINIMUM 60% MARKS OR MORE THEN....... THEN HOW TO FILL THE Q-PAPER?
what is meant by re-rolling motor? how it differs from standard motor?
How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon
What is the difference between Droop vs Isoch Control?
I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
explain the function of brush less dc motor?
I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.
How you calculate the repturing capacity of a HRC fuse
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault