Answer Posted / shiva

Inductance is measured by using Maxwell's bridge.
Capacitance is measured by using Schring bridge.

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

3147

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Why neutral cable carry current.

1974

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why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

2009

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2085

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Can we use Ccapacitive voltage transformer directly for metering purpose?

1859

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DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1972

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1978

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What is vacuum circuit breaker.define with cause and where be use it device?

1305

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how can you calculate fault level ?

2393

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What safety precaution are to be taken for avoiding electric hazards ?

1867

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I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

1725

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Difference between field rheostat and armature rheostat.

1230

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How is the gain affected by the introduction of feedback in a control system.

1163

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what is mean by descripiency relay? & wht is its ansi code?

3165

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pre arcing time of ehv breaker

2128

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