why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

0 Answers   Lavasa,

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

2 Answers   Automation, Indian Railways, Mogora Cosmic,

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no EB power DG is not starting?

6 Answers  

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how to calculate the battery Ah? what is the formula.

10 Answers   Cushman Wakefield,

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What is the fullform of NS fuse

2 Answers   Google, JAL International,

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our industries ht line so power fluctation(once drop of power please rectify causes

0 Answers  

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why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?

2 Answers  

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while we select CT, why the CT ratio is divided by 5?? ex:250/5,15VA,CLASS-1 CT.Why it is divided by 5??Help me please

2 Answers  

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Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

0 Answers   BARC, Fedco, Qasco,

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why insulators are colured in brown only?

3 Answers   Transco,

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How to calulate Locked rotor amper(LRA) for compressor type motors?

0 Answers   MAF Dalkia,

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a distribution transformer(3 phase)supplying 440volt per phase.now suppose one of phase voltage(230volt) becomes zero.what will be the cause ?

3 Answers  

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