Answer / zulphikar ali

Insulation resistance is measured by applying DC voltage in
order to avoid capacitive currents

Answer / santhosh

hi Gunashekaran pls let me know what is the meaning og IC IN your above answer

Answer / gunasekaran

we want measure the leakage current of the insulation if u
use AC it is alternating nature so IC is not zero. so we r
not getting exact insulation properties of the insulator. so
we go to DC.

why generator and t/f ratings given in kva?

2 Answers  

---

IS it possible for a feedbacksurge to travel over a wireless connection?

1 Answers   HP,

---

why DC source is used to idetify the polarity of CT/PT?

1 Answers  

---

why transformer measures in kva

4 Answers  

---

why are we using resistor in NGR ?

1 Answers  

---

What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

0 Answers   L&T,

---

Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

0 Answers  

---

how to calculate the capacity of the AC motor

1 Answers   TATA,

---

what is per unit calculation?looking for simple and strong explanation thk u

0 Answers  

---

What is the difference between AC Drive and VFD?

10 Answers   ITC Infotech,

---

Why screen of the screened cable not earthed on both the ends of cable

1 Answers  

---

what is the reason for harmonics introduced in the line

2 Answers  

---