Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

---

how can we calculate the reactence of the current transformers?

0 Answers  

---

how to maintain frenquncy with syncronising sub-station for distribution

0 Answers   Suzlon,

---

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  

---

what is differnt between metering CTs an protection CTs

10 Answers  

---

In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,

---

what is the effect of un-synchronized power.

0 Answers  

---

can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?

2 Answers   Maersk,

---

what is rise time and half time

1 Answers   NHPC,

---

What is transmission line potential gradiant?

1 Answers  

---

Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

2 Answers  

---

What id difference between power and energy?

0 Answers  

---