what is the difference between earthed and unearthed cable?

24 Answers   Cords Cable, Essar, Torrent Power,

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How many earthings are provided for a 250KVA distribution transformer?

9 Answers  

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Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?

6 Answers   NTPC,

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WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

0 Answers   Adhunik,

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers  

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

0 Answers  

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What is Difference Between static & Dynamic Pressure of Fan & Blowers

2 Answers  

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Megar test tell sufficient resistant

1 Answers  

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What is difference between ON delay and OFF Delay Timer?

7 Answers  

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impliment (AB)`+C to transistor representation

0 Answers   Ascent,

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what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

8 Answers   Lanco,

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what happen ehen synchronisation is done at below rated speed

0 Answers  

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