how to select the double earth conductor if 21A full load?

0 Answers   L&T,

---

How many earthing pits are requier to disapper the surge current of one lighting arrester.

3 Answers  

---

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

---

I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

0 Answers  

---

i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?

2 Answers  

---

how the percentage impedance affect the transformer loading when connected in parallel.?

1 Answers  

---

What is the speed of 3 phase IM(Induction motor) at no load? How will the Motor meet the increased load(Explain through fundamental)?

2 Answers  

---

What is the function of the serge absorber?

5 Answers  

---

What is the mmf,rgt and ngt please brief completely

0 Answers   cpgn,

---

What is the role of Tertiary Winding in Transformer ?

2 Answers  

---

how to select correct size of power cable for inverter duty motor

0 Answers  

---

Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

2 Answers   NTPC, Student,

---