what is the different between surgearrester and lighting arrester

4 Answers   HPCL,

---

why the the phase transformer's nuetral has been grounded

2 Answers  

---

What are the effects to a distribution transformer rated 10Kv with ratio 10Kv/0.433Kv, 3phase 50hz for example but fed with power supply of 11Kv?

2 Answers  

---

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

0 Answers  

---

How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

---

how synchronous generator can be used as synchronous condenser?

3 Answers   Monnet, Wipro,

---

What is the practical way to calculate the cable size for known ampere load?

0 Answers  

---

Why generally the Rating of Transformers are in additions of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........

8 Answers  

---

What is proximeter? where it is used and why?

1 Answers  

---

I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

---

how an electron flow in a wire. can it flow like a car running on the road?

2 Answers  

---

what is excitation/

0 Answers   ABB, Tata Steel Limited,

---