Answer / k.prakashchandra

That is due to speed regulation i.e Speed vs Load characteristics ,even in IM the slip increases with the speed

why write 500v on line tester (Test pen)

3 Answers  

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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Why efficiency in thermal power plant is low?

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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what is the formula to calculate the fault level current for any substation?

2 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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what is the use of the circle diagram

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What is the basic principle of circuit breaker?.. I read that it works on electro-mechanical principle... Does it require both electric n magnetic conversion to act?

3 Answers  

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What is the voltage b/w nutral and earth

11 Answers   Mind Space,

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what is purpose of manual bybass in ups

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what are the things that can cause a three phase motor to crawl?

1 Answers  

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how to find insulation resistance of a generator(11kv) by theoritical formula??

1 Answers  

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