what is formula for calculate thermal overload in new
numiricalrelay( not in bimetal relay)?
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How to check the Bushings of the transformer?
What are the different sizes of cables for H.T and L.T side of supply?
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what is acceptance test in electrical engineering.
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In vapour absorption refrigeration machine fluids used are
3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?
what are the methods of speed control of dc motor???
Briefly describe three methods that are usually used by electricity suppliers to control voltage levels?
WHAT ARE THE DFT AND RMS MEASURMENTS PRINCIPLE IN NUMERICAL TECHNOLOGY OF POWER SYSTEM ?? WHICH IS BETTER IN WHICH QUANTITY MEASURNMENT??
what will happen when the dc supply is given to the capacitor?
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
what is ground fault in ACB?