Answer / ram

oil temperature.
the oil used in the transformer gives cooling to the
transformer at the same time insulates the transformer
winding.
the oil temp should be lower than the winding temperature.

Answer / mrudang

OT means OIL Temperature

we want to know OIL temperature of equipment during its
working , its range is 45-50 degree celcius

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

0 Answers  

---

WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

0 Answers   Lanco,

---

IS HI-POT TEST DONE ON A TRANSFORMER - YES OR NO? WHY?

4 Answers  

---

What are the implications when the power factor is is leading condition ?

1 Answers  

---

how we can measure the dc current instead of clamp meter ?

1 Answers  

---

What do you mean by isolators and circuit breakers?

6 Answers   Bhushan Power Steel,

---

1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

0 Answers  

---

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

0 Answers   TCS,

---

In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

11 Answers   BSES, Electrical, L&T, PSIT,

---

can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 Answers  

---

i am confused about generator. i have generator of 380 KVA that is 304 KW by that formula KW=KVA*0.8... then by this formula I=KW/V*1.732*0.8 the amperes are 528.673. so that is the load which i put on one phase of generator or this is total 3 phase load on Generator.......

3 Answers   Haliburton,

---

in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

---