power requirement of an l.e.d?

2 Answers  

---

For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

---

What is difference between isolator and circuit breaker?

0 Answers  

---

why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

---

some times voltage does not built in small generators why ?

2 Answers  

---

why all transformer colour is same?

3 Answers   OPTCL,

---

What is the Maximum Power generation capacity of a Synchronus Machine ??

0 Answers   ETA, NTPC,

---

I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

---

HOW TO CALCULATE LV CABLE SIZING?

2 Answers   L&T, MRF,

---

what is meant by a slip?

10 Answers  

---

When we give supply to a transformer 11 kv and we get 415v from it, so when we give supply to same transformer 415v on ht side what we get? and When we gives supply to any transformer to L.T. side 415v or 220v What supply is on H.T. side?

2 Answers   Ashoka Electricals,

---

what is a types of short circuit and what is a types of distance protection tests

0 Answers   Anna University,

---