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If one d.g. is unable to take full load of system, then second d.g. will take care of partly Load.for this condition RPM of both DG set should be equal.By using Synchronization panel RPM of dg sets are match, is it true?
1 40051500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?
2273The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.
1 9541Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.
ACC,
1 3999During Millivolt drop test current leads are applied in the extreme ends and voltage leads are given just before the current leads.. what will be the difference if voltage leads are given in the extreme ends? and why?
1 6818Post New Electrical Engineering Questions
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
what is meant by impulse voltage?
plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in
what is the difference between oil surge relay and buchholz relay.
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
Why auxiliary transformers are not connected in parallel in primary stations?
What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
What happens when ac supply is given as excitation voltage instead of dc supply
What is core CT & it's function?
we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit
Explain the role of a car driver as one of a feedback mechanism.
how to calculate earth fault relay current and CBCT ratio
how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?
How to calculate MCB Breaking capacity.
Can any body tell me the different types of LT cables & their application.
