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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,
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8 31792From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.
1 3891HOW DOES ONE SELECT A TRANSFORMER PHASOR GROUP IE, WHETHER A STAR-DELTA TR OR A STAR-STAR OR A DELTA-DELTA, ETC. TRANSFORMER IS MORE SUITABLE FOR A PARTICULAR KIND OF LOAD OR WORKING CONDITION???
3 76661. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay
ABB,
3 6231When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen
3 6575in slip ring motor if motor specification is given how we calculate its rotor resistance in starting
1 4891If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.
16 74592Post New Electrical Engineering Questions
WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
How will polarity test of Dy5 Transformer ?
Do inductive loads have distorted current waveforms ?
What is measurement?
which type of questions asking for solar companies?
what is the common earth
hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com
Why the arms of delta in a delta-wye power transmission system are kept constant??
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.
Why syn. Generators are used for the production of electricity?
what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?
what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?
WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.
