My ups output shows 230 v between phase and neutral,but show zero between phase and earth.Is the system/installation is correct.If not what will be the possible reasons

4 Answers  

---

Pls anyone explain me the basics of wiring a house?

3 Answers  

---

what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 Answers  

---

Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

0 Answers  

---

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?

3 Answers   Construction, NPCIL,

---

URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.

1 Answers  

---

What happened when capacitor connect series in ac circuit?

0 Answers  

---

a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

---

what is 'A' Check & 'B' Check ?

2 Answers  

---

Why are we not getting shock while touching a metal which is being welded?

1 Answers  

---

What are the different sizes of cables for H.T and L.T side of supply?

7 Answers   Bhel, BSES, Karthik Industries, Lanco, Nedco, Shilpa Electrical Engineers, TATA, Torrent Power,

---

What is correction factor in Tan delta test?

1 Answers  

---