In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

---

How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

1 Answers  

---

low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase

3 Answers  

---

what happened if power factor is "1"

9 Answers   Reliance,

---

I have running 4 generator in paralel.All generators Voltages is same(470 V),KW also same (100 KW) but only No2 generator Amper is high than another generators. DG No:1,3,4 470V,100KW, 150 A DG No:2 470V,100KW,400 A

4 Answers  

---

---

What is dc current source?

0 Answers  

---

WHAT HAPPEN IF TRANSFORMER HAS GIVEN SQUARE WAVE SUPPLY

3 Answers   APTransco, NTPC,

---

how ct burden,magnetising current,ratio and knee point voltage are related & derived

0 Answers   Dalkia, SCT,

---

what is induction motor

2 Answers  

---

why dc supply is not applied for step up or down in transformer

3 Answers  

---

What happen when increese more than 50HZ fequincy.

5 Answers  

---

please send me previose rrb junior engineer qustion papers

0 Answers   RRB,

---