Answer / rams dharavath

The direction and magnitude flux of d.c coil remaining the same.DC coils give accurates and better lifting magnets and DC coils having no hystrises losses and heating problems.

Answer / kannan

While we will use ac supply for HV and Relays following
disadvantages are available.

1.Tripping feedback can not see.
2.ac source is variable source.

WHAT IS THE ROLE OF ELECTRICAL & ELECTRONICS ENGINEER IN TCS.

2 Answers   CTS, TCS,

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what are types of ups?

1 Answers  

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What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

0 Answers   Hira Group,

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whats the necessary to correct the power factor using capacitive banks in industries?

2 Answers  

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Define phase lag and phase lead?

0 Answers  

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What is the working of Field winding in dc motor, in which part is it work or why ?

3 Answers  

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what is relation between motor poles & motor current in 3 phase motor

1 Answers  

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what is a switchgear. what is its work & where it is used?

5 Answers  

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Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

1 Answers   Essar,

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what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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can anybody sent me power grid questions. what subject should i prefer for preparation?

0 Answers   Reliance, Vascon,

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what is conductor copnstant of ab cable

0 Answers  

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