A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

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What is the resistance of the field winding of a d.c. Shunt generator kept low?

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why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

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what is voltage ?

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In batteries after completion of charging which colour gas is emitted from it?

2 Answers   Essar,

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what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??

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In Plumbing services What are accessories we consider for a bathroom?

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All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

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i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

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Define peak overshoot.

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