Question { 3166 }
Why shunt Generator is not recommended to start at ON LOAD condition???
Answer
Is This Answer Correct ? | 1 Yes | 0 No |
Question { 4676 }
Explain REF protection and sbef protection in transformer?
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 9889 }
what is the meaning of spur line?
Answer
Is This Answer Correct ? | 4 Yes | 0 No |
Question { Dolphin International, 2055 }
If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?
Answer
Is This Answer Correct ? | 1 Yes | 0 No |
Question { 3094 }
Why winding temperature ct placed in B-Phase of the transformers??
Answer
Is This Answer Correct ? | 1 Yes | 0 No |
Question { 3094 }
Why winding temperature ct placed in B-Phase of the transformers??
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 2390 }
on 22.03.2015 at 17:15hrs Y phase 66kV class Power Trf-2 Current transformer has flashed over and oil came out. The failed CT has been replaced on 24.03.2015 at 13:15hrs and the Trf has been charged in presence of RT Hassan after conducting the pre-commissioning tests. On the same day at 17:00hrs the commissioned CT has again flashed over and immediately the Trf has been isolated from power supply. It is confirmed the secondary is not opened and checked the earth integrity and is found ok. Here what would be the reason for the CT failure?
Answer
Is This Answer Correct ? | 0 Yes | 1 No |
Question { 3328 }
What is tan delta point of transformer?
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 15852 }
what is skin effect and why is it absent in DC systems
Answer
Is This Answer Correct ? | 1 Yes | 5 No |
Question { PGVCL Paschim Gujarat Vij Company Limited, 2535 }
transformer cooling fan kharab ho jaye to
1-off kar dena chahiye
2-load kum kar dena chahiye
3-koi frrk nhi padta
4-sub galat hai.
choose right option
Answer
Is This Answer Correct ? | 4 Yes | 0 No |
why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?
Answer
Is This Answer Correct ? | 0 Yes | 1 No |
Question { 2650 }
what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)
Answer
Is This Answer Correct ? | 0 Yes | 0 No |
Question { 5459 }
OHMS Law is only applicable for ac or dc or both circuiT?.
Answer
Is This Answer Correct ? | 2 Yes | 0 No |