Answer Posted / rvg.msceb

DC drives performing the following functions:
1.speed control of DC motors
2.Breaking by applying resistance at rotor.
3.uses converter and chopper.

AC drives performing the following functions:

1.speed control of AC motors
2.Breaking/accelerating by changing the frequency of the
supply.
3.uses converter and inverter.

which types of relay used in acb and vcb?

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As i want some model question paper in basic computer science and history please send me immediately sir

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

1661

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What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

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What's the difference between non break power supply and non break non short break power supply

1035

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How to determine alternating current frequency?

696

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how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1802

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Explain how you decide what size of electrical wire do you need?

674

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

2502

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what is meant by skew width in machines?

1643

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What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1420

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what is the correct format to create a resume for interview??

1517

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use of PIR in ehv breaker

1717

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

1816

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with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

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