What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?2 4581
Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
how to calculate overall efficiency of diesel generator set? give us a formula with an example.2 7673
To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?1095
why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?1031
what is the purpose of interpose t/f in control and relay ckts?2 3120
how capacitor buield up the voltage3 4006
what is the diff. between AVR & H.T.Stabilizer2 3799
what is the clear formula to calculate cable size for a load
what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW7311
What happens to an electric motor if it has poor or no ventilation. Will it burn out? If it will, how long it will run before it burn out?
Why we should not parallel the with EB1 1300
Why negative feedback is preferred in the control system?
How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?
How to calculat the ratio of HT\LT in energy meter
how can we change the phase angle b/w two phase?
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.
How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai
What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?
i need to give section engineer (electrical engineer) for RRB. Please suggest some book
can i connect wavetrap in 2 different phase in EHV line?
i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance