What is the difference between Delta & Wye windings?

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Why can't we parallel the secondary circuits of two voltage transformers?

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what happens when a dc shunt motor fed with an alternating suppy ?

1 Answers  

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our scope called one core cable for distribution system so we like to use 4 core cable with one equipment grounding conductor so what kind of technical reasons i can say that the 4core is better then 1 core,

2 Answers   Elite Construction,

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What does VVVF stands for in VVVF drive ? How does it differ from VVF drive?

8 Answers   HAL,

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What is the meaning of TRI Vector meter?

7 Answers   ABB, Excel Power Switchgear,

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If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

0 Answers   REM Electromech Pvt Ltd,

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why circuit breaker closing time is always higher then tripping / opening time.

13 Answers   United Phosphorus,

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what is frequency response?

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What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

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Any link for Electrical objective type questions ?

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