Interested to Buy Any Domain ? << Click Here >> for more details...
what is the knee point voltage in current transformer
- 2 Answers
- 5513 Views
- I also Faced
- E-Mail Answers
Answer Posted / chetan sharma
10 % increase in voltage gives you 50 % increase in
excitation current is called knee point voltage.
To measure this first demagnetise the CT and apply
voltage gradually from secondary keeping primary
winding open circuited. while doing this above
phenomeneo will be obsesrved.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???
What is the equivalent circuit of a transformer and its vector diagram?
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
What is slope...? Explain slope 1 and slope 2...?
in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
What is the name of the winding to which supply is given?
What is phase cross over frequency?
On what principle electric motor works?
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
What is power factor why we should maintain the power factor unless what will happen
How to distinguish whether MCB is DC or AC looking at it physically
difference between power surge and switching transient
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
