why dhyedration test required for transformer oil once in a year

1 Answers  

---

State angle criterion.

0 Answers  

---

How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

0 Answers   Siemens,

---

how to decrese the PH value of liquid resistance?

2 Answers   ONGC,

---

ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

0 Answers  

---

How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?

1 Answers  

---

What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

0 Answers  

---

can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 Answers   Essar, Oracle,

---

can we run AC & DC cables in same tray

1 Answers   Aurobindo,

---

what is reluctance?

11 Answers   TCS,

---

what is cogging? how it can be controlled?

1 Answers   HCL,

---

Fire pumps are not used with ELCB control, why ?

4 Answers  

---