Answer Posted / hemalatha

due to increase of air gap stator current gets increased in
turn which causes decrease of power factor..

Why we use ups battery and dsdb battery in thermal power plant

2048

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Give some example of fault limiting devices?

1307

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What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

1903

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any application of back emf

2087

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I want definition for ABT Meter (Availability Based tariff) ?

1956

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I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

1883

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In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1384

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What are the basic component of a cro?

1203

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WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?

2226

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What is Faraday's law

1472

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1838

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For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

2301

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What is the function of RCBO? What are the different sensitivity ratings & each application?

2775

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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?

2052

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why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.

2102

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