I want to know what must the CT ratio be on a load of 300A
is a 3PH nutral to earh installation?
Answer Posted / a.p.nanjappa
Load current is 300A. The equipment shall withstand the
starting current -which is around -5-8xIn.It is preferable
to select 1ooo-1200A/1A OR 5A.
WE ADOPT THIS THUMB RULE for our protection setting& co-
ordination.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Why auxiliary transformers are not connected in parallel in primary stations?
What is frantic effect?
What is George phenomena to start the synchronus machine?
how to work droop ct in generating station
How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
i am going to attaned the engineer (disign)iterview at HAL please give me duid line
What happen to generator if i have unbalanced load?
How to calculate energy stored in an inductance?
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?
Can we transmit digital signal to long distance ?
Define ohm’s law for a.c (alternating current)?
what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?
What is difference between Harmonic and Non harmonic Capacitor Bank?
What is the function of the circuit breaker failure relay?