Answer / shariff

Knee Point Vog is the Point where the Votlatge shouts up
and the Current gets saturated for the CT across its cors
and it is a very vital parameter for any current
transformer. And this Knee Voltage value should be same for
all the 3 phases of the CT.

Answer / raj

For Protection CTs knee point voltage is always high than
Metering CTs to avoid saturation of CTs during fault
current.But to increase the knee voltage core size should
be increase which is practically possible or economical so
another method to reduce the burden on CTs by using
secondary ratio 1A inplace of 5A.

why only 26v dc is used in aircraft and 115v ac in aircraft.

0 Answers   Jet Airways,

---

1 ton aircondition(AC)consume how much watt?

6 Answers   Indus Towers,

---

generator means

1 Answers  

---

What is the difference between synchronous motor & asynchronous motor

2 Answers  

---

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

---

---

What is erection of electrical system?

1 Answers  

---

dear friends, how to calculate "Gage" in copper wire , aluminum wire etc. have any formula?

1 Answers  

---

what is alternator?

4 Answers  

---

What is the formula to calculate a three phase alternator

0 Answers  

---

what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

---

What is the difference between a Root Locus plot and a Bode plot?

0 Answers   GE,

---

why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

---