In transformer which temp should be less oil temp are
winding temp?
Answer Posted / siddesh cs
under normal condition,transformer oil as low temperature compared to lv & hv winding because, oil is mainly used for cooling purpose as per the law of thermodynamics heat flows from hot end to coold end so heat transfer from winding to oil.
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?
can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
how to calculate current and voltage in a same circuit?
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
what is the constructional difference between a power transformer and potentian transformer?
how can motor both beasrings insulation resistance can be check?
What is the difference between Delta & Wye windings?
is there any chart showing the suitable cable size according to AMP and length ? for three phase motors
Leakage current,un balance current which relay using for high voltage transmission?
Explain Circuit Breaker Trip Characteristics in detail.
please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5
In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?
main difference between ac and dc?
can you any one give exact mathematical relation between AC current and DC current?
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm