WHAT IS THE USE OF PIG TAIL IN WINDOW TYPE CT ?

3 Answers  

---

what is prniciple of three phase IM?

3 Answers  

---

difference between converter and invertor

2 Answers  

---

what are the duties of commutator in motor and generator?

6 Answers   L&T,

---

Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?

3 Answers   Meralco,

---

---

Why is remote backup preferred to local backup?

0 Answers  

---

why the tapping of transformer on ht side??????

12 Answers   CTS, OPTCL, Visa Steel,

---

What is the problem of internal failure in ship engine telegraph system norcontrol?

0 Answers   SAR,

---

why we cant control neutral instead of phase in single phase?

3 Answers  

---

why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 Answers  

---

what is the use of spst switch in performing experiment on self excited dc motor?

2 Answers  

---

How to find out freqency in Ac and Dc and also how u control it

2 Answers   MacLellan,

---