where we use 1 phase & 3 phase supply ?what is major advantage using 3 phase over than single phase ?

3 Answers  

---

Transformer TTR test procedure

2 Answers   Descon,

---

why the neutral point is zero in star connection?

4 Answers  

---

Whats the purpose of neutral earthing?

5 Answers   Electrical, Hindalco, TCS,

---

what is advertised hop count

0 Answers  

---

---

How to do stting of vl250 siemens MCCB

0 Answers   Qatar Steel,

---

wat s the electronic device used in the fan regulators recently?

2 Answers  

---

how to calculate energy of 3-phase motor?

0 Answers   Suzlon,

---

how will you calculate rated Primary and Secondary voltage and Current for 2500 KVA, 11kv/443V Transformer

2 Answers  

---

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

0 Answers  

---

What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

0 Answers  

---

What is the function of the auto reclosure relay?

1 Answers  

---