1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

---

what are types of servo motors

1 Answers  

---

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

0 Answers  

---

what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 Answers  

---

Difference between low impedance and high impedance Restricted Earth Fault

0 Answers  

---

If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

---

In case of 11kV dual delta bank what are the recommended protections with specific CT / VT requirements? The capacitor bank is to be connected to the main 11kV switchgear from where the H.V.Motors and auxiliary 440V loads.

1 Answers  

---

we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

---

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

1 Answers   ABC, GAS,

---

What is the difference between type1 and type2 relay protection co-ordination for motor feeders

0 Answers   DAE,

---

Why dose voltage rated at 11kva

1 Answers   TK Chemical Complex,

---

Where is 2 phase supply used commercially?

3 Answers   NTPC,

---