why humming sound occured in HT transmission lines.
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Answer Posted / prodip das
Ans. Corona effect & hysteresis loss
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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
whate is the meaning of balance/unbalance,in stabilizers type
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
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Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
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What is the type of feedback used in an op- amp schmitt trigger?
please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
reason of diode failure in alternator
Why compensation is necessary in feedback control system?
diff b/w normal grounding and resistance grounding
what is the meaning of osr in transformer.
A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
