Is phase preventer require when overload relay is there

1 Answers  

---

what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

0 Answers  

---

Why capacitor blocks DC current?

2 Answers  

---

I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

0 Answers  

---

I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

0 Answers  

---

WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

0 Answers   Birla,

---

why dc current is supplied in america rather than ac

1 Answers  

---

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

---

WHAT IS THE MINIMUM IR VALUE FOR CABLE CHARGING

4 Answers   Google,

---

If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

0 Answers  

---

what is the similarity and difference between ups and inverter?

4 Answers   GMR,

---

why transformers are rated in KVA

3 Answers   AITM,

---