Answer / jiten

PRV (Pressure relief valve) is one of the protection
component in the transformer. The main purpose of the PRV
is to protect the expansion of oil during any inside fault
of transformer.

During fault this PRV operate and trip the transformer. So
it can be protected from further damage.

Answer / ladla

pressure relief or pressure safety valve used in any
chemical/Mechanical equipment or Electrical transformer or
generators to maintain inside pressure for the safety
purpose. Its works automatically when inside pressure is
out of limits. Finally safe the equipment

Answer / k.p.sharma

JITEN IS RIGHT AND NORMALLY THE PRESSURE INSIDE THE
TRANSFORMER TANK REACHES TO 0.5KG/CM2 PRV RELASE THE
PRESSURE (SPRING TYPE ACTION ) AND AS THE PRESSURE COMES TO
0.3KG/CM2 IT GOT RESET.

Answer / swapnil pawar

Pressure relief valve is used were air pressure is
maintained .It is pressure relief valve which maintains
pressure.

For e.g.

If in air cylinder 10kg air pressure is maintained, then if
by chance air pressure increases to 11kg the Pressure
relief valve get activates and 1kg pressure release.
This is used for safety reason.

how does relay works?

16 Answers  

---

what is the diffrence between R Y B phase and why it is called RYB

5 Answers  

---

Can we connect two CT'S to one energymeter?

1 Answers   KSEB,

---

what is the operating principle of contactor(power).along with disection?

3 Answers   NASA, Tech Mahindra,

---

What is the meaning of GRID?

21 Answers  

---

Why the vector group of excitation transformer in static excitation system is Dy5?

2 Answers   CSEB, SRF,

---

what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

---

What is the difference between Derived earth Fault and measured earth fault.How it works.

1 Answers  

---

Which loss in DC machine is maximum?

1 Answers   IFFCO,

---

HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

0 Answers   Eastern Produce,

---

why not starting switch first connect in direct on line starter?????

0 Answers  

---

how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers  

---