Answer / pundlik wanwe

DC clamp meter works on the principle of Hall effect.
depending on the current passing through the conductor the variation in the magnetic field will vary the current measured.
the same principle is used for many other applications like proximity switches and position sensors.

what ll happen if neutral is not shorted with phases while doing transformer short circuit test & what ll happen if neutral is connected to ground?

1 Answers  

---

What is the function of lead sheath?

2 Answers  

---

a 650 KVA diesel generator is 1500 rpm, voltage is 415V n full load amps is 805 something,when are applied load more than 400 amps it's voltage is dropping, what is the reasons...?

4 Answers  

---

what is motor contrl center .

3 Answers  

---

explain Xmer

2 Answers  

---

what is the difference between rectifier and converter and commudator?

0 Answers  

---

Leading power factor means what? what is the power factor value while in power factor is leading? is power factor greater than one? In some cases i heard pf 0.8 leading then what about 0.8 lagging?

1 Answers   Rockfort Engineering,

---

what is the most probable reason of failure of current transformer?

2 Answers   L&T,

---

When do you use a VFD motor?

3 Answers  

---

Suppose am having the PF value .8, so how can we say that is it lagging or leading?

11 Answers   Bhel,

---

How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 Answers   ABB,

---

how does an energy meter works?

4 Answers  

---