Answer / rvg

Conservator is used to preserve excess oil comes out from
the transformer tank,during expansion due to heat.

Answer / anil bhatia

1)The conservator is a small tank which is connected to
main tank /transformer through a pipe containing buchholz
relay.the outside vent of conservator is connected through
silica gel.
During high load heat generated in winding and absorbed by
tranformer oil.the oil expands and passes throuh buchholz
relay to conservating tank to store it.the air expilit out
throuh outsite vent.

2)During low load this oil contrast and go down to main
tank . during this process silica gel absorb moister from
the air so this moister donot mix with oil and keepit dry.

Answer / sajid

for the storage of excessive transformer oil during heating
and expansion and also buchholz relay is installed at a
certain level to avoid any damage.

Why positive terminal of DC 48V was earthed?

1 Answers  

---

What do you meant by slip power recovery?

1 Answers   PSEB,

---

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

---

WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?

2 Answers  

---

i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 Answers  

---

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

0 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---

how to calculate the cable size for LT and HT power cables with detail explanation?

2 Answers   Asset Developments, Bhel,

---

1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

---

How will change the frequency in distribution side?

0 Answers  

---

What is the difference in Line PT & Bus PT.

3 Answers   Bhel,

---

400kw, 3.3Kv motor want to fix 1000km away from substation. What is full load current? and what is the cable size for motor? I amp expecting answer and advice from your side.. thanks...

4 Answers   Kuwait Oil Company, Weatherford,

---

Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

---