What is the diffrece between ACB & MCCB

8 Answers  

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Single phase and threephase power calculation

0 Answers  

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Why does not AC excitation use in rotor of AC Generator instead of DC excitation?

2 Answers   A2Z Group,

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Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

1 Answers   Reliance,

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Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

1 Answers   L&T,

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how to calculate the cable size for 500 kva transformer?

3 Answers  

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why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

0 Answers  

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how to calculate busbar size? ex:11000kva main what is the busbar size ?and how to select the correct one

4 Answers  

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Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

0 Answers   Bhel,

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Why the transformers making noise?

2 Answers   L&T,

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If the load is 10Kw and power factor has to improve from 0.5 to 0.8,how can we select the capacitor rating accordingly.Illustrate by showing formula?

9 Answers  

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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