Answer Posted / vaibhav

yes we can drive the 50Hz motor on 100Hz by using variable frequency . and as we know that synchronous speed =120*f/p.
as frequency increase motor speed also increase. and also if frequency increase motor size also can be decrease in design if want to decrease

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2773

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1657

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how works inductive &capacitive sensors?

1989

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what are the pecularity of shaver sockets ?

1927

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Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1905

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How to calculate energy stored in an inductance?

1153

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2980

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Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

2142

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working principle of AC Servo Motor with its construction

8888

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what is the use of permanent magnet generator in exciter

2174

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We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

2002

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what is the minimum winding resistance of 30hp compressor, to run or to switch on

1880

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How can we calculate ac current from the given DC current when AC voltage is given?

1961

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which types of relay used in acb and vcb?

2747

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How to work meggar?

1854

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