Answer / srikanth_kalishetti@yahoo

1. PRV Trip :- The transformer inside when abnormal
pressure is build up the PRV Trip occurs.

2. OLTC :- It is the on-load tap changer. Through which tap-
changing of the transformer is done to lower or raise the
taps of the transformer.

3.OTI :- Oil temperature Indicator. It indicates the oil
temperature of the transformer.It gives alarm & later trips
the transformer when the set temperature is reached.

4. WTI:- Winding temperature Indicator. It indicates the
winding temperature of the transformer.It gives alarm &
later trips the transformer when the set temperature is
reached.

Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

9 Answers   Indian School of Mines,

---

what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

0 Answers   Conan Minerals,

---

What is meant by a stray loss of a induction motor??? What is the equation to find it

0 Answers  

---

explain the transient reactance

1 Answers  

---

which oil used in transformer?

5 Answers  

---

what happens when we give ac supply to the dc motor?and why?

4 Answers  

---

dear all, i want to ask that what is diversity factor. please explain breifly. because i hve quiet no concept about this.

2 Answers  

---

what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 Answers  

---

what is the function of LBB relay

9 Answers  

---

how many ht 11 kv cable size for 11kv 2000 kva 11kv*433v transformer ?

3 Answers   Megatron Solutions, TCS,

---

what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

---

what is surge arresters ?........

7 Answers  

---