Answer Posted / jai s s

Differntial protection is only use to protect winding
internal faults, It may be used in Generator or
transformer, it protect the paritcular inbetween zone while
we placed CT's. REF protection always used at star winding
side to protect nearby winding of star point which we can
not protect by residual earth fault.

what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

1301

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What was the Dg set radiator and lube oil temperatures trip in ACB

1345

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132/6.6𝚔𝚟 𝚝𝚛𝚊𝚗𝚜𝚏𝚘𝚛𝚖𝚎𝚛 𝚗𝚎𝚞𝚝𝚛𝚊𝚕 𝚑𝚊𝚜 𝚘𝚗𝚎 𝚎𝚊𝚛𝚝𝚑 𝚙𝚒𝚝 𝚍𝚎𝚍𝚒𝚌𝚊𝚝𝚎𝚍. 𝙸'𝚟𝚎 𝚊𝚗𝚘𝚝𝚑𝚎𝚛 𝚝𝚛𝚊𝚗𝚜𝚏𝚘𝚛𝚖𝚎𝚛 𝚘𝚏 6.6𝚔𝚟/415𝚟 𝚌𝚊𝚗 𝙸 𝚌𝚘𝚗𝚗𝚎𝚌𝚝 𝚗𝚎𝚞𝚝𝚛𝚊𝚕 𝚝𝚘 𝚜𝚊𝚖𝚎 𝚎𝚊𝚛𝚝𝚑 𝚙𝚒𝚝 𝚊𝚜 𝚘𝚏 13/6.𝚔𝚟 𝚝𝚛𝚊𝚗𝚜𝚏𝚘𝚛𝚖𝚎𝚛?? 𝙸𝚏 𝙽𝚘.. 𝚃𝚑𝚎𝚗 𝚠𝚑𝚢??

575

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What is CCT (Correlated Color Temperature) ?

1501

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Atwhat condition reverse power relay will act?

1799

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1419

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how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

1881

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What type of pipe material G.I or M.S is used for sprinkler system?

8330

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

2566

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Explain the operation carried out in thermal power stations?

611

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Can anyone explain me about the capacitor calculation

1705

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Explain what are inter-poles and why they are required in a dc machine.

625

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how can i get the formula to find out the cable size if i know the load of main fuse protection.

1431

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we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1299

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how we sesign the transformer give some specifion regarding design of transformers

1469

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