what is distribution board and panel board

3 Answers  

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which one has maximum efficiency autotransformer or transformer?? and why??

2 Answers  

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I HAVE CONSUMER WHOSE POWER FACTOR IS 65% I WANT TO INCREASE IT TO 98%.HOW TO CARRY OUT?

7 Answers  

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condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

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WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

0 Answers  

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1 Answers  

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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ouestion for the post of section engineer

1 Answers   BSNL, RRB,

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what is the meaning of cable Glanding can you explain brifly?

2 Answers  

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where is the primary of CT??

3 Answers  

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