Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?

2 Answers  

---

what is HI POT test

4 Answers   Suzlon,

---

what are the duties of commutator in motor and generator?

6 Answers   L&T,

---

What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation

0 Answers  

---

What is the formula to calculate the KVAR value of a capacitor, while value of capcitor in farads is known.

1 Answers  

---

Explain the advantages and disadvantages of hydropower plant?

0 Answers  

---

what will hapen if secodery circuit is open of current transformer WHy neutral to ground trips when neutral touches the ground

1 Answers  

---

difference between synchronous reluctance motor and switched reluctance motor

1 Answers  

---

IP55 protection stands for

1 Answers   Hofincons,

---

Differentiate between ideal and non-ideal voltage sources?

0 Answers  

---

I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

---

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 Answers  

---