1.where in India the maximum transmission voltage is operated?
2.what the methods are used to cool down the
transformer?give the specific ratings of the transformer &
specific cooling process.
3.how zero & negative sequence reactances are formed in a
rotating machine when fault occur in the system?
Answers were Sorted based on User's Feedback
Answer / dr. mohd. arif khan
2. the different cooling processes are oil forced(OF), air
natural(AN), OFAN, OFAF, ONAN and ONAF. for higher rating
like 5MVA transformer the cooling is ONAF type.
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / dr. mohd. arif khan
2. the different cooling processes are oil forced(OF), air
natural(AN), OFAN, OFAF, ONAN and ONAF. for higher rating
like 5MVA transformer the cooling is ONAF type.
Is This Answer Correct ? | 0 Yes | 0 No |
can we use HT cables for LT power supply ?
I have AC automatic voltage regulator 15KVA What output currant?
if voltage is not builed up in small generator what will be the reason?
what is ideal insulator. what are its parameter. Is poecelain insulator comes under this category.
Can a dc motor works as a dc generator. If yes , then how?
We have 3 Gensets 1.500kva,2.380kva,3.250kva How can we connect in common busbar&we have variable load.
How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?
How to check the cable fault / hv test of transformer cable.
what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load
how the 6.6KV motor can be used with 11KV?
How do u analyse protection fault when vcb tripping on load
WHAT SHOULD BE THE MINIMUM IR VALUE FOR LV (380V) CABLES ACCORDING TO IEC/IEEE.