why any inductive load need free wheeling diode?

4 Answers   Essar,

---

how electronic energy meter works?

2 Answers  

---

what is PI value and its significance for insulation testing?

3 Answers  

---

What is mean by discrimination of circuit breaker ?

1 Answers  

---

A circuit breaker on detecting fault will a. Open b. Close c. Open and trigger the alarm

2 Answers  

---

Difference between EDO and MDO breakers?

10 Answers   ACB,

---

IF we have 500kva transformer 11.0/0.415V, 50Hz. How to calculate the current on HT & LT side, how can we consider for its breaker (HT & LT both)? You are requested to solve the question herewith.

3 Answers   Bhutan Power Corporation,

---

What is resolution of a measurement?

0 Answers  

---

should %impedance be high or low in a power transformer? if so why?

0 Answers  

---

Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

0 Answers  

---

for distribution line ratio of x/r 1.<0.1 2.>10 3.>1 4.<0.01

3 Answers   HAL, HPPSC,

---

Generally the incandescent lamps in bathrooms fuse due to high voltage at night.What is the simple solution of this problem?

4 Answers  

---