how to test a motor from megger

5 Answers   JSW,

---

Which modulation has higher data rates a.fm b.am c.qam d.qpsk

1 Answers   NTDC,

---

If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

7 Answers   IOCL,

---

Define availability (operational)?

0 Answers  

---

WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

---

Differnce between Analog & Digital

1 Answers  

---

How Earthing is prevents shock?Explain

4 Answers  

---

How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

0 Answers  

---

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

0 Answers  

---

how much battery need for 2kv online ups for 2hr backup

3 Answers   Eaton, Emerson,

---

testing of transformer

1 Answers   Vijai Electricals,

---

why does in transformer the v/f ratio constant?

2 Answers   TATA,

---