Page 416 - Electrician -1st Year - TT

TYo (Power) T«t£ 1.12.104 dLô] ùRôPo× LÚj§Vp
GXdh¬μVu (Electrician) þ ¥Wôuv@TôoUo (Transformers)

¥Wôuv@TôoUoLû[ Ï°WûYjRp þ ¥Wôuv@TôoUo
GiùQn Utßm úNôRû]Ls (Cooling of transformer -
Transformer oil and testing)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• Ï°W ûYlTRu úRûYûV ®[dÏRp
Scan the QR Code to view
• Ï°oTÓjÕm Y¯Øû\Lû[ áßRp. the video for this exercise
Ï°WûYlTRu úRûY (Necessity of cooling)

¥Wôuv@TôoUo ûY«u¥e Y¯VôL
ªuú]ôhPm ùNpÛm úTôÕ AÕ
ùYlTUûP¡\Õ. ùT¬V A[Ü
¥Wôuv@TôoUoL°p A§L ùYlTm
EiPô¡ ùY° YÚ¡\Õ. CR]ôp
CuÑúX`u Tô§dLlTÓm. úUÛm §\u
Ïû\Ùm. ¥Wôuv@TôoU¬p HtTÓm
ùYlTjûR ùY°úVt± Lôtß UiPXj§tÏ
AàlT úYiÓm.
¥Wôuv@TôoUûW Ï°Wf ùNnÙm
Øû\Ls (Methods for cooling transformers):
¥Wôuv@TôoUoLû[ Ï°Wf ùNnÙm Øû\
ARu AûUl×, TVuTÓm Øû\, ùTôÚjÕm
CPm úTôu\ûYLû[l ùTôÚjÕ
UôßTÓm.

• CVtûL Lôtß Øû\
• Lôtß ÅÑm Øû\ (Fig 1)-

CVtûL Lôtß Øû\ 100¡. úYô. B. ªu§\u
YûW«Ûs[ ¥Wôuv @TôoUoLÞdÏ
TVuTÓ¡\Õ. CVtûL Lôt±]ôp
¥Wôuv@TôoU¬u ùYlTjûR Ï°W
ûYdLXôm. Lôtß Å£ Øû\«p,
¥Wôuv@TôoUoL°u úUtTWl©p,
ªu®£±Vôp Lôtß Å£ ùYlTm
Ïû\dLlTÓ¡\Õ.
200 ¡.úYô.BdÏ úUÛs[ ¥Wôuv
@TôoUoLû[, LôlÀÓ GiùQn êXm
• CVtûLVôL GiùQVôp Ï°Wf ùNnÙm
Ï°Wf ùNnVXôm. ¥Wôuv@TôoU¬u úLôo
Øû\ (Fig 2)
Utßm ûY«u¥eLs GiùQndÏs
• GiùQn ÅÑm Øû\ êr¡«ÚdÏm. Ï°Úm ÏZônLs êXm
TWlT[Ü A§L¬dLlTÓ¡\Õ. GiùQn
• LhPôV GiùQn ÑZt£ Øû\
Utßm Ri½o TVuTÓj§ Ï°Wf ùNnÙm
• GiùQn Utßm Ri½Wôp Ï°Wf Øû\«p Ïû\kR AÝjRØs[ Ri½o
ùNnRp (Fig 3) Utßm ÏZônLs êXm, ùYlTm AûPkR

• GiùQn Utßm Ri½o LhPôV ÑZt£ GiùQ«u ùYlTjûR ¿dLXôm.
Øû\
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