Answer / ashish patil

For Operation of buzzolz relay it required loe liquid level
& formation of gases which can operate float,but in case of
PRD it required pressure with high capacity then PRD operate

Answer / abhishek goyal

when the short ckt or any other fault happening into the
transformer it will detected by the buchhloz relay (gas will
accumulate into the relay). if pressure into the tank is
above the set point of PRD/PRV it will activate. both are
safety device one can sense the gas other one can sense the
pressure.

how to male a d.c bettery to blow a 230v bulb?

1 Answers  

---

what do u understand about FACTS? how they are useful?

0 Answers   BARC,

---

whats the advantage and disadvantage in TUMETIC mdel transformer

2 Answers   ABB,

---

Most electrical terms denoted by first letter of its name but Why current is denoted by "I".

4 Answers  

---

what is the merz prodution ? what is the turn to turn fault?

2 Answers   L&T,

---

One 15kw motor Why we used star delta feeder?why not used DOL please explain in details

3 Answers   BMM Ispat, GSK, Pitti Laminations,

---

what is the difference between line & phase current in star delta connection motor?

2 Answers  

---

What is the fullform of IPS in substaion using Aluminium Tubes

15 Answers   L&T,

---

What is the reason for low voltage in houses?

19 Answers   Maytas,

---

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

0 Answers  

---

what is the principle of singkle phase energy meter?

3 Answers  

---

how to find value of resistance when 1 kw consumption for 10 minutes

1 Answers   Manipal Hospital,

---