Answer / k.prakashchandra

It is protection against undesirable difference of currents
in star(neutral) side and output side, in each phase.

why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

---

what is split phase ac system?

3 Answers   AMIE,

---

What is mean by power factor?

18 Answers   Shreem Electric Ltd,

---

how to measure genset CT coil range?

1 Answers  

---

what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

---

defined power system?

3 Answers   Spanco,

---

Why 11kv to be generated in generation station

0 Answers   TNEB Tamil Nadu Electricity Board,

---

what is voltage, and how it makes the electron to move?

6 Answers  

---

L&T ACB C-POWER OF 800A FAULS TRIPING AT THE TIME OF 110KW MOTOR STARTS WITH EARTH FAULT RELEASE

1 Answers   Ambuja,

---

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

0 Answers  

---

power transmission pole used one support , that only for support or earthing

0 Answers  

---

why a diode bridge is provided in vcb control circuit ?

2 Answers  

---