whatis knee point ?
Answers were Sorted based on User's Feedback
Knee point is the term comes under current transformer (CT)
It is a point in the Curve of voltage and current where if
there is 10% increment in voltage then there will be 50%
increment in current. This point shows the saturation of CT
core. For Protection CT knee point will be high as for
metering CT it will be less to save the meters.
Is This Answer Correct ? | 16 Yes | 1 No |
Answer / suresh
if appling voltage on ct secondary gradually, if 10%
increase in voltage 50% of leakage current increase in that
voltage is called knee point voltage.
Is This Answer Correct ? | 1 Yes | 1 No |
Answer / raghavendran
Knee point refers to a point in the saturation curve drawn
between voltage and flux.It is drawn keeping Flux in the X
axis and Voltages in the Y axis.The Knee point falls below
saturation level.Till Knee point the Flux - Voltage relation
will be linear.After knee point,any increase in flux will
not cause proportional increase in voltages.
Is This Answer Correct ? | 0 Yes | 2 No |
Answer / ravi agrawal
A point beyond which 50% increase in forced function results in 10% increase in response
Is This Answer Correct ? | 1 Yes | 5 No |
how works inductive &capacitive sensors?
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
why induction motor always operate at lagging p.f.?
how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%
Define early construction of human being
How can i run three phase bore well motor in 2 phase while i running it by using capacitor its ams increase to 23 ams the distance from motor to stater is 1600 feet
ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.
What is the main purpose of relay?
Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???
WHY TRANSFORMER IS MEASURED IN KVA?
what is the difference between synchoronous and alternator and induction motor and generator
what happens when you connect a.c and d.c supplies