WHAT IS DGA TEST FOR THE TRANSFORMERS.

3 Answers   ABB,

---

what is polarity in ac system? and how do identified?

1 Answers  

---

Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

---

Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?

0 Answers   Hindalco,

---

Why are the cores of large transformers built up of circular transactions ?

0 Answers  

---

what is the diffrence between resistive load and capoasitive load.?

4 Answers  

---

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

---

for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

---

How does an induction motor start?

0 Answers   Ericsson,

---

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

0 Answers   Bhel,

---

In electrical cables what is U and U0 refers?

11 Answers  

---

What are the protection schemes used for protection of transformers ?

3 Answers   Engineers India Limited,

---