Answer / mustafa

It is nothing but magnetic saturation
any increase in current above certain level will not have
effect in the magnetic circuit.
The instrument does not work in the faulty condition due to
saturation and circuit to be protected will get damaged.

What does a permanent magnet generator do?

1 Answers  

---

Define newton's law of viscosity.

0 Answers   Godrej,

---

what are the functions of fuse ?

1 Answers  

---

what is the transformer

6 Answers  

---

What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?

2 Answers  

---

---

1 sq mm conductor=? how many amps

3 Answers  

---

how to decide the rating of the ct for 1500 kva transformer

1 Answers  

---

do we use neutral grounding for resistive balanced load? if we use what happen?

0 Answers   NFC,

---

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1 Answers  

---

I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

---

what is IP55,IP65

2 Answers  

---

HOW GENERATING END VOLTAGE LEVEL (6.6 KV/ 10.5 KV/ 11 KV/ 13.5 KV) DECIDED IN POWER PLANT. ON WHAT FACTORS THE GENERATING END VOLTAGE DECIDED, & WHAT IS THE CALCULATION USED FOR THIS.

3 Answers   Areva, Cognizant,

---