0
Add your answer:
Earn +20 pts
What is the hermetically sealed transformer?
Hermatically sealed transformer is a transformer design which has no conservator. Here the dielectric insulating fluid in the transformer tank is completely sealed and is in zero contact to the atmosphere. This type of transformer is used in applications where the transformer is to be installed in harsh climatic conditions(smoke,pollution,dusty environment,etc) or user prefers low maintenance transformer. The design avoids air in the transformer tank therby avoiding sludging and oxidation of the dielectric fluid. Hence it would be safe to say that these transformers need no maintenance of the dielectric insulatating fluid(usually Oil). Normally these type of transformers are accommodated by devices that measure heat related volume variations. Gas cushion is used to compensate the volume variation due to heat. Normally the gas is nitrogen. This gas is thermally uncoupled from the dielectric liquid.
What use of conservator tank in transformer?
To enable the oil in the transformer tank to expand and contract with temperature changes.
What are the functions of Breather Conservator and Ventpipe?
A conservator is an oil tank, located above the transformer, whose function is to ensure that the oil level remains above the transformer, while allowing it to expand and contract with temperature. The breather/vent pipe allows air to be displaced from the conservator when the level rises, and to draw back in when the oil level falls.
What is the purpose of breather in transformer?
To allow the transformer to "free breathe" and yet prevent any moisture from entering. The desiccant in the breather removes any moisture in the air before it enters the tank or conservator.
Why to use buchholz relay in hermatically sealed transformer?
Buchholz relays are used with oil-filled transformers, and these types of transformerare not normally hermetically sealed, because the oil must be allowed to expand and contract with changes in temperature, and must be able to displace air within the tank. Air vents are provided for any resulting air displacement, and are normally fitted with silica-gel chambers to ensure any air entering the transformer when the oil contracts is dry.Buchholz relays are normally fitted in an inclined pipe between the main tank of the transformer and an elevated expansion tank, so that any gases formed within the tank pass up that tube and are collected within the Buchholz relay's chamber. A Buchholz relay is designed to set off an alarm in the event of a loss of oil or an excessive collection of gas within the relay; a further fall in oil level, or a catastrophic explosion within the tank, will cause the Buchholz relay to disconnect the transformer.
What is the meaning of hermetically sealed?
Hermetically sealed - simply means 'air-tight'.
What does hermetically stored mean?
If something is hermetically sealed, it means that it is sealed so that no oxygen can get inside. People who preserve important documents tend to keep them in hermetically sealed containers so that the air does not destroy them.
Should we use a hermitically sealed gas compressor for helium?
No, a semi-hermetically sealed gas compressor is fine. The only difference between hermetically sealed and semi-hermetically sealed is that the semi is made of two pieces, and so can be opened up if a part breaks and needs to be replaced. Hermetically sealed compressors are one solid piece, and so must be completely replaced if they break. From a business stand point, the semi-hermetically sealed is probably best.
Can cockroaches get into a hermetically sealed container?
No.
What is the hermetically sealed transformer?
Hermatically sealed transformer is a transformer design which has no conservator. Here the dielectric insulating fluid in the transformer tank is completely sealed and is in zero contact to the atmosphere. This type of transformer is used in applications where the transformer is to be installed in harsh climatic conditions(smoke,pollution,dusty environment,etc) or user prefers low maintenance transformer. The design avoids air in the transformer tank therby avoiding sludging and oxidation of the dielectric fluid. Hence it would be safe to say that these transformers need no maintenance of the dielectric insulatating fluid(usually Oil). Normally these type of transformers are accommodated by devices that measure heat related volume variations. Gas cushion is used to compensate the volume variation due to heat. Normally the gas is nitrogen. This gas is thermally uncoupled from the dielectric liquid.
How are cans sealed?
turn it dodo stupid person
What are the physical parts of transformer?
Physicially it has transformer tank, conservator, bucholz relay , windings, oil
Using te word hermetically in a sentence?
The worker at the post office hermeticaly sent the package.
How do you write a sentence with hermetically?
hmmm...hermetically means selaed completely or airtight, so you would use it in such situations. ex: during the pickling process of cucumbers, the jar must be hermetically sealed so that no germs or bacteria can form inside it. ex2: pill capsules are hermetically sealed so that oxygen does not enter and cause chemical reactions until after the capsules have been taken by the patient. ... ... ... so basically, you can replace hermetically for words like "completely sealed" or "airtight", and also probably just "sealed."
What use of conservator tank in transformer?
To enable the oil in the transformer tank to expand and contract with temperature changes.
Is a bank vault hermetically sealed and why or why not?
no it is not. Well, some are ... but it's dangerous, expensive, and silly. A bank vault is designed to keep money in and people out, making it hermetically sealed is overkill, especially if you get locked in.
How are jars hermetically sealed?
Jars are hermetically sealed to keep all air out of a container to stop a substance from expiring or going bad. They are often hermetically sealed using heat, once all oxygen is drained out of the jar heat is often applied to make sure that there is no air leaks. Some jars will even contain an oxygen neutralizer or a freshness packet that gets rid of all air that got in after being sealed.
