Answer / girish

measure dia of cable in mm by scale suppose n

area of cross section of cable = n e2

if 20 mm is dia of cable means

area of cross section = 20 x 20 = 40 sqmm

Note: but you should measure only conductor dia not
insulation included in that

what is different between DIGITAL and ANALOG?

2 Answers  

---

A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

---

diffrence between alternating and pulsating field?

1 Answers  

---

what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

0 Answers  

---

how i caculate the cable size for power factor correction unit for example 300kvar

1 Answers  

---

why the pf of semiconductor device is improved the electrical devices

0 Answers  

---

How much energy save vfd if motor run on 50 Hz (full speed)

3 Answers   Reliance,

---

what is reason in mv breaker the control supply voltage is dc not ac?

1 Answers  

---

how does grading rings & spacers in transmission line works? Working Principle?

0 Answers  

---

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

0 Answers  

---

What type of DC motor would you see for a lift?

0 Answers   Ericsson,

---

What is Bolted fault?

0 Answers  

---