Answer Posted / firoz n

in trsfrmr emf eqn., rms value of voltag induced=fm fctor *avg value

After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

1909

---

How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

1574

---

how to calculate the formula of cable size if motor kw is given

1682

---

54 Comments Alok and Bhanu play the following min-max game. Given the expression N = 38 + X*(Y – Z) where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be?

1766

---

why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1204

---

---

At full load wat is the motor p.f And at no load will is the motor p.f?

1715

---

Define gain margin?

714

---

what is PWM in IGBT and how it works for drive.?

1230

---

Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

1548

---

what is difference between bus coupler and auto transfer switch

3306

---

How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

1565

---

What is the difference between multimeter

1453

---

What happens when two positively charged material is placed together?

696

---

what is the meaning of neutral displacement ???

2249

---

how to test the electrical panel.ht lt mcc pcc.

3208

---