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Answer Posted / sanjib chakraborty
how i can analysis the vector group ZNYN11 by testing
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How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
explain all the classes with example
how to determine the inrush current of a transformer
Meaning of ingrace protection for motor.for ex IPXY
Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
low frequency protection why recomend?
can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??
Define the three phase formula fuse.
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?
why only exciting current is shown not primary current in transformer???
why impudance relay used for medium transmission power system? why not others?
DG Earth Value?
if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.
