why knee point voltage should be high in Ct for
differential protection
Answer Posted / mrudang
in HV CT the secondary voltage should be around Vk>400v
because in differential protection , we have to maintain
relay input of 1 Amp or 5 Amp
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible
What happens to voltage when current through the inductor is constant?
how does the thyistor work in dc drive?
how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.
What is a dominant pole?
Please define ampere?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
Why power factor should not be in leading (capacitive) mode of any load.
does a DG set has low fault level as compared to that of a transformer.If yes then why.
How to resolve if Diesel generator stop while running ?
how to select proper cable for ct wiring so that drop within the limit.
What is gain margin?
how to find motors H.P. whout any rating? (only give you a motor and multimeter)
What is the actual calculation for transformer short circuit test?.
how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.