phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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Why Auto Transformer is called "Auto"? What is the logic?

1 Answers  

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Is corona effect occurs in Induction motor. pl. justify the answer.

4 Answers   KPS,

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how much current will take for 1kw power. and what is the eqoutiion which is connecting with kw and A.

2 Answers  

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

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Why do we use 36KV LAS for 33kv line and 9KV LAS for 11KV line?

1 Answers  

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Why do series motors have high starting torque?

3 Answers  

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HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 Answers  

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How are calculated the aluminium busbar cross section area?

2 Answers  

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In 3pin or 5pin socket why the earth pin is bigger

3 Answers  

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What is the dc grounding system and what is diff between AC/DC grounding system?

0 Answers  

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why we use 25 kv in railway .not 11kv, or 33 kv

2 Answers   ISRO,

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