Answer / gyanendra

The Main Difference between Slipring Induction Motor and
Generator is Field Winding(Which is excited by DC source
while Brushless / direct linked in field stationary
condition in Genrator case).
Second thing , Generator speed likely remains constant and
voltage stability is achieved by field excitation and in
SRIM case speed variation ie rquired as per load by GRR,
LRS, SPRS connected to its Rotor through Sliprings.

what are the main parts of DG? explian thier functions?

8 Answers   Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

---

What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

0 Answers  

---

During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

0 Answers  

---

why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

---

why the neutral point is zero in star connection?

4 Answers  

---

v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3 Answers  

---

what is diversity factor ? plzzzzzz describe me

1 Answers  

---

Define average demand?

0 Answers  

---

what is the difference between RMS meter and normal meter

3 Answers   TATA,

---

what you mean by frequency of an igbt& how to find it?

1 Answers  

---

what happen if we give 220 volts dc supply to d bulb r tube light?

9 Answers   NHPC,

---

What is difference between ct&pt transformers?

4 Answers   Adgas,

---