Answer / k.prakashchandra

You mean insulation resistance ?As a rough guide,the megger
value should be at least 2 M ohm per KV rating at 60'C for
11 KV and above.The megger value doubles itself for every
10'C fall in temp.

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 Answers  

---

What is the Ideal Earth to Neutral Rating for Techonology Equipment like Routers, Switched, PABX, Computers etc etc?

2 Answers  

---

What is the better way of passing 400 amp from sending end to receiving end ? By overhead line or underground cable and why ? if underground cable then how much depth require ?

1 Answers   Aditya Birla, HCL,

---

Which addressing mode contains the address for data as a part of the instruction in 8085.

3 Answers   Ecil,

---

differentiate between remote backup relay and local backup relay?

1 Answers  

---

What are the implications when the power factor is is leading condition ?

1 Answers  

---

which supply is used in traction system

3 Answers  

---

What is block diagram?

0 Answers  

---

In dc ckt. 24v or 110v, which one is more efficient and why?

0 Answers  

---

In tranformer winding Connection Like Dyn1 ,so LV lags Hv by 30 deg and Dyn11 LV lead HV by 30,so how do this lagging and leading afffect the transformer??

2 Answers   Siemens,

---

A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

---

HOW to speed control of induction mototr using scalar control

3 Answers  

---