Interested to Buy Any Domain ? << Click Here >> for more details...
transformers parts & function of each parts
- 25 Answers
- 403649 Views
- Amara Raja, Bhutan Ferro Alloys Limited, Breather, Electrical, Electrical Tech, ERDA, GVK, Juniper Networks, Matrix, Mechanical, NFL, Oracle, Pyramid Plastics, RPPL, RRB, Siemens, TCS, Tulip Silk Mills, I also Faced
- E-Mail Answers
Answer Posted / muhammadtahir
Transformer Parts and their Functions
• CONSERVATOR
Conservator is a cylindrical tank, situated at upper portion of power transformer and is connected to transformer tank through pipe. It provides adequate space for expansion of oil whenever transformer internal temperature rises or ambient temperature changes. It also facilitate for filling of oil in transformer’s tank.
• MAIN TANK
This part of transformer contains the assembly of core and both primary and secondary windings immersed in insulating oil.
• RADIATORS
These are tube like structures, connected with transformer tank and provides circulating path for transformer oil for cooling purpose.
• BUCHHOLZ RELAY
It is a very sensitive gas and oil operated instrument which is used to protect transformer windings, safely detect the formation of gas or sudden pressure inside the oil transformer. This is a double ended device one end is connected to conservator other is connected to tank. There are two float switches inside the relay one is connected to alarm circuit for warning and other is connected to trip circuit to protect transformer against damage.
• BREATHER
Breather is a device which contains a chemical material (Silica Gel) and is used for air take in/out of the sealed transformer
• SILICA JEL
Silica Gel Blue semi-transparent glassy substance containing an indicator as “Cobalt Chloride” a heavy metal salt. When free from moisture the Granules or beads are dark blue in color. As the beads takes up moisture, they turns to light blue gradually & finally turn to pink.
• OIL LEVEL SCALE
This part is situated on the side of conservator tank for verification of specific oil level at specific temperature.
• PRIMARY WINDING
Copper wound coils places of the limbs of core, used as primary winding (circuit) to transmit power to secondary winding via magnetic circuit. No of turns of coils depends upon the rating of transformer.
• TAP-CHANGER
A tap changer is a connection point selection mechanism mounted on transformer main tank at HT winding that allows a variable number of turns to be selected in various steps. A transformer with a variable turns ratio is produced, enabling stepped voltage regulation of the output. The tap selection may be made via an automatic or manual tap changer mechanism.
SECONDARY WINDING
Copper wound coils used as secondary winding (circuit) to transmit power to Loads. No of turns of coils depends upon the rating of transformer. Primary and secondary windings are electrically isolated from each other but magnetically coupled via iron core.
• IRON CORE
The primary and secondary windings are wrapped around a core (made by thin, soft laminated layers of steel). The purpose of the iron core is to provide low reluctance path to the magnetic flux generated by primary winding, to link with the secondary winding for induction.
• PRESSURE RELIEF PIPE or EXPLOSION VENT
To avoid Critical situation due to extreme pressure developed in transformer tank, a pipe is mounted on transformer tank called pressure relief pipe, containing bursting plate breaking device which burst to discharge the pressure and protect transformer.
• DRAIN VALVE
This valve is situated under the oil tank and is used for taking out transformer oil. (For purpose of dehydration and purification, transformer maintenance or replacing with new oil etc).
• HT/ BUSHINGS
Porcelain insulated device that allows the connection terminals of primary and secondary winding to pass safely through the (earthed conducting) tank for connection purpose. Bushings prevent unwanted leakage of electricity.
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?
what is the best method of grounding in 30 MW generator?
why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points
HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA
Why the output of OP-AMP is always less than Vcc?
bsec exam syllabus (mis)
in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformerÂ
700KW 6.6KV slip ring induction motor to use VFD to control the speed
Explain Random and Deterministic signals?
HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
Electrical 'C' license full abbreviation , and full form
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
what is the condition for YnD11
