Answer / ganesh

CT's are used in Electrical circuits for different
purposes. For example measurement, protection. In
protection also if it is busbar or differntial protection
the sensitivity of the CT is very important. According to
the purpose it is going to serve the accuracy class of the
CT differs. For measurement it is enough to have low
accuracy class say 10P10 . If it is for Differential or
busbar protection it will be class x which is very accurate
it measurement

Answer / vimal dixit

Measuring C.T.s - 0.2% class
Protection C.T.s - 5p10 class
AS in measuring cts accuracy of measurement is required.
While in protection cts only mesurement is required.

when the rheostat kept in minimum to maximum position in motors what will happen?

7 Answers  

---

difference between substation & grid substation?

2 Answers   GMR,

---

what is difference betwen genrator and alternator?

3 Answers   Tanfac,

---

wat is power factor

7 Answers   IOCL,

---

why should small green grass ans small plant should not be there inside the transformer Yard in the factories

0 Answers   Riddhi Siddhi,

---

Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

---

What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

---

Please let me know DG set b check how many hour and days.

2 Answers   Amazon, Cummins,

---

What is making & breaking current ???

0 Answers   JLL,

---

Why there is not any reactive power in DC although it causes magnetic field.

7 Answers  

---

1hp single phase load = howmuch 3 phase load

0 Answers  

---

what is meant by loss of field in a DC motor? how a universal motor works?

0 Answers  

---