Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

---

What will happen if the rotor circuit of a slipring I.M. is kept open & electric supply is given to its stator winding.

2 Answers  

---

Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?

2 Answers   Jindal, Reliance,

---

why we define potections of Tourbo generator in Class A & B.

1 Answers   GIL,

---

what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

---

How many earthings are required for motors?

3 Answers  

---

Hi,, Just I want ask, if the power factor decrease what happen in voltage regulation? Thanks..

1 Answers  

---

Where earth point should provided in Ships or Submirines.

2 Answers   SSC,

---

why use only sf6 circuit breker in 400 kv sub station

5 Answers   BARC,

---

what is differant beetween overload current and phase current?

0 Answers   KMJ, Petron ltd,

---

Name some application zrea where IDMT relay can used?

3 Answers   SKB,

---

Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

2 Answers   PSU,

---