Is it really necessary to have reactive power in transmission line to transfer the power from one place to other?

3 Answers   Power Grid,

---

what is NGR in generator?

4 Answers  

---

What are the safety measures of Alternator Explain them?

1 Answers   HSL,

---

In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?

1 Answers  

---

how a single machine can act as both motor and generator? and give explanation interms of connections?

1 Answers  

---

1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

---

If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

0 Answers  

---

How is the gain affected by the introduction of feedback in a control system.

0 Answers   GE,

---

What are pre paid energy meters ? How it works ?

1 Answers   Siemens,

---

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

0 Answers  

---

Differentiate between real and apparent power?

0 Answers  

---

hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

0 Answers  

---