Answer / manteaw

Insulation resitance test for all cable.

Earth resitance test

Conductivity of Protective conductors (CPC)

Polarity Test for sockets.

Contnuity test.

is it possible to step down voltage of single phase from a three phase sysem? explain

2 Answers  

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IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

2 Answers  

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why 3 phase motors are preferable over single phase motors ?

6 Answers  

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what is the working principle of a DG Set, Alternator, & exiter

0 Answers  

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circuit breaker work alone during fault condition or need any relays ?

4 Answers  

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Difference in load break switch, isolator and circuit breaker.

1 Answers   KSEB, L&T, Siemens,

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How many earthings are required for commissioning the Transformer?

14 Answers   Dalmia Group, HSL,

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

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What are the saftey parameters in transformers?

2 Answers  

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Without seeing the nameplate descriptions of a rotating machine,Is it possible to say which one is a motor and which one is a generator? How would you certain this?

3 Answers  

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how does grading rings & spacers in transmission line works? Working Principle?

0 Answers  

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how to select earthing wire? procedures and parameters?

2 Answers  

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