Answer / p. sudhagar

Megger is used to checking in insulation value,Its used to
high voltage injunction purpose and checking the polarity.
Contact resistance meter used to checked the contact
resistance value, Its injected the 100A only So its
resistance value low.

Answer / sanjeev

megger is a insulation Resistance checking with applied voltage for checking purpose but contact resistance meter only measuring in oms

What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

0 Answers  

---

why do we connect voltmeter in parallel,why not in series,and why do we connect ammeter in series why not in paprallel...

4 Answers  

---

what is bus pt and what is the function of it ???

8 Answers   TATA,

---

why we ground the scondary of current transformer.

4 Answers  

---

Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 Answers  

---

I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

---

when two gen set runing in parallel but thay have diffrent pole pitch, then what will be happan

0 Answers  

---

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

0 Answers   ABB, Visa,

---

What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers  

---

what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

0 Answers   CG,

---

can anyone send me some sample question regarding power grid corp

0 Answers  

---

hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

0 Answers  

---