sigal phase supply is 230 v ac two phase supply is 415 v ac then why three phase supply having supply is 415 v ac why not 690v ac

2 Answers  

---

what is DAR test?

2 Answers   Al-Naboodah, ISRO, ONGC,

---

Disadvantage of leading power factor

3 Answers  

---

What is the lower limit of break-down voltage of converter transformer.

0 Answers   Tata Steel Limited,

---

While connecting bulb in Series/Parallel,there is any difference in glowing

3 Answers  

---

---

why aggregate is placed all around substation ground.

9 Answers  

---

what happened if power factor is "1"

9 Answers   Reliance,

---

How Grading Rings & spacers in transmission lines works?working principle?

1 Answers  

---

what is the difference between R Y B windings in three phase.does it differ by construction or by number of windings?Explain the difference between them.

3 Answers  

---

why we use lamination or layer by layer cor used?

4 Answers  

---

how to calculate compresor capacity?

0 Answers  

---

what is ratio of copper wire size and current ?

0 Answers  

---