Interested to Buy Any Domain ? << Click Here >> for more details...
Could anyone clarify my wondering.
What is the difference between knee point voltage and
saturation voltage of the CT.
Is their any formula to calculate these values?
- 2 Answers
- 6459 Views
- I also Faced
- E-Mail Answers
Answer Posted / john bosco
knee point voltage definition
when applying voltage in secondary gradually from zero
and measuring current for step voltages, the current raise maintains constant slope up to some level of voltage.
for further raise in voltage secondary current raise do not follow the slope.
the voltage from which 10 % raise gives 50% raise in secondary current called as knee point voltage of current transformer(IEC standard)
saturation voltage is maximum secondary voltage developed across ct for any primary current
protection class CT
formula for VK= Is.ALF.(Rct+Rb)
Is- rated secondary current
ALF- accuracy limit factor
Rct- measured secondary resistance
Rb - rated burden of CT
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What are the different types of controllers?
what may the reason for vector shift in a generator?
What is a parabolic signal?
what is per unit calculation?looking for simple and strong explanation thk u
How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva
How is the gain affected by the introduction of feedback in a control system.
What do you mean by power transformer?
Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?
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
List the advantages of star-delta starter with induction motor?
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.
What happens if we run alternator on under frequency?
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
What is the use of bundle conductors?
