Answer / ahmed

3phase 3wire with out nutral
3phase 4wire with nutral

Answer / mohammed mushtaq

3phase 3wire meter employ 2 watt meter method while 3phase 4wiretmeter employ 3watt meter method to measure energy

what is the maximum load on for 10 kva & 25 kva transformer

8 Answers   ABB, Power Grid,

---

what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?

2 Answers   BARC,

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

Why screen of the screened cable not earthed on both the ends of cable

1 Answers  

---

What safety followup during kWh meter isolation

0 Answers  

---

what is ferranti effect?

9 Answers  

---

what is the function of RVT

4 Answers   RMSI,

---

What are the safety devices on Cumins Diesel Generators from 500 kva to 1500 kva.

1 Answers   Maruti Suzuki,

---

what is the advantage of DC Motor over AC motor & Where its applicable ?

4 Answers   Torrent Power,

---

What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

---

WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

0 Answers   MPS Techologies,

---

What is BKW of Motor. And what its significance

1 Answers   CGL, PK, Thermax,

---