Answer Posted / k.prakashchandra

Using magnetic core material of high permeability ,voltage
being the same.

How to test Alternator stability test for REF relay

1431

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where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

1899

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11593

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If VFD is On but no starting commond on it. so how many outpout voltages of VFD

1101

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How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

3326

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WHAT IS counter flux IN CT?

1890

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i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle

1923

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

2152

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what is meant by brushed alternator & its working principle ?

1877

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Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

1741

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a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

1487

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What is meant by coupling capacitor?

1013

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I want d.g.set our company

1812

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ht side line to earth voltage

1521

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

1776

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