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

2 Answers   A2Z Group,

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how to calculate diesel consumption of diesel generator by considering load and capacity of generator?

1 Answers  

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What is reactive power and where it is used.

0 Answers  

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What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

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in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

1 Answers   NTPC,

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what should be the value of proper neutral earthing resistance?

3 Answers   ABC,

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how to extend relay operating timing in 24V dc relay card (without using Timer )

0 Answers  

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In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?

1 Answers   Focus Energy, NHPC, ONGC,

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers  

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

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What is meant by soft starter used in motors?

4 Answers  

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whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

1 Answers  

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