Answer / m k

after commissioning breakdown voltage test of oil and dissolve gas analysis of oil should be performed periodically.

Answer / suresh

to check the oil temp indicator, winding temp indicator,
check the oil level in conservator

Answer / kashifhabib

I think all the test are performed before commissioning.

can any tell me why slope 40% and 80% is calculated in differential protection?

0 Answers  

---

how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

---

explain the functions of main isolation switches

0 Answers   Zesa,

---

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

0 Answers  

---

what is the function of rccb how it diffrentiate between elcb

1 Answers  

---

actual rated capacity of a disc insulator??

5 Answers   OPTCL,

---

what is the UPS

4 Answers  

---

A d.c. Shunt motor is found suitable to drive fans because they require?

0 Answers  

---

What is difference between PVC cable & XLPE cable?

14 Answers   Intertek,

---

Whats difference between a single phase & a three phase motor?

4 Answers  

---

what happens when one of the phases out 0f 3 phases been removed under working condition and no load condition will the machine run if so plz send me why

2 Answers  

---

What is the voltage b/w nutral and earth

11 Answers   Mind Space,

---