Answer Posted / m thiyagarajan

Higher the voltage lower the voltage drop V=IR so 132kv
transmission is better

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

2082

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

1869

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2564

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What is 11 N1 and 12 N2 in single phase Transformer ?

1988

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2096

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How is the connection of the tap changer on the HV side been made?

2038

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what's the simultenous maximum demand (SMD)..what the diffrent MD and SMD?

2621

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33kv substation lay out details & line to line & line to earth measurements

2675

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If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

4549

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Define characteristics impedance?

1185

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How i can calculate current of cable according to ares?

2047

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explain which quantities change in the starting and the and the running condition in induction motor

1512

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1380

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The moisture in air will condense at

1237

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