The coulomb is a unit of:(a) Energy(b) Voltage(c) Power(d) Quantity of electricity
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why co incidence factor considered in transformer sizing?
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?
in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
What are unstable systems?
Why we use ups battery and dsdb battery in thermal power plant
does a DG set has low fault level as compared to that of a transformer.If yes then why.
How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā
How does a battary stores charge in it? please explain in simple manner and in detail.thanks
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?
Which capacitor is preferred for high voltage and frequency?
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.
Why synchronous motor is used in power factor improvement,dc series in lift