Page 82 - Electrician -1st Year - TT
P. 82
úRôt\m Utßm ùSÚdLUô] CûQl×dLôL
Utßm CÝ®ûN (tensile stress) Ïû\YôL
úRûYlTÓm CPeL[ô] Eh×\ YV¬e
úYûXL°p CqYûL CûQl×Ls
ùNnVlTÓ¡u\].
2 ª.ÁdÏ Ïû\YôL Es[Ytû\ £e¡s
LPj§L°p ©¬Ùm YûL CûQl×Ls
(Tap joints in single stranded conductors of diameter
2 mm or less) : CRu ®[dLj§uT¥ JÚ
LPj§«p JÚ Øû]ûV úSWôL ùNuß
ùLôi¥ÚdÏm LPj§ÙPu CûP«p
úUÛm CqYûL CûQl×Ls Eh×\ Utßm CûQlTûR CÕ Ï±d¡\Õ.
ùY°l×\ YV¬eÏL°p 4 ª.Á ApXÕ ARtÏ
ùTôÕYôL ¸úZ Es[ ùRôeÏm YûL
úUp ®hPØs[ JÚ LPj§ TVuTÓjÕm
CûQl×Ls TVuTÓjRlTÓ¡u\].
CPeL°Ûm ùNnVlTÓ¡\Õ.
• G°V (NôRôWQ ) YûL (Plain)
©¬hPô²Vô ‘Tee’ (‘T’) CûQl× (Britannia
tee joint) : KYo ùah ûXuL°XõÚkÕ úNûY • H¬Vp YûL (Aerial)
CûQl×dÏ (service connections) ùNeÏjRôL • Ø¥fÑ YûL (Knotted)
ªu §\û] (tapping) GÓdL úYi¥V
• ÏßdÏ -CWhûP- CWhûP Y¯ YûL
CPeL°p CqYûL CûQl×
ùNnVlTÓ¡\Õ. (Fig 5) (Cross - Double - Duplex)
G°V YûL (Plain) ùRôeÏm CûQl×
(Plain tap joint) (Fig 8) : CqYûL CûQl×
ùTÚmTôÛm A¥dL¥ TVuTÓjRlTÓ¡\Õ.
úUÛm CRû] ®ûWYôL ùNnV Ø¥Ùm.
CRû] DVlTt\ûYl× (Soldering) ùNnYÕ
ªLÜm SmTLUô]RôÏm.
úUtLj§V ë²Vu YûL CûQl×
(Western union joint) (Fig 6) : CqYûL CûQl×
RûXdÏ úUúX ùNpÛm LPj§ (overhead
lines)L°u ¿[jûR ¿h¥lTRtLôLÜm
úTôÕUô] A[Ü CÝ®ûNûV RôeÏm
Nd§dÏ Ht\T¥Ùm ùNnVlTÓ¡\Õ.
H¬Vp YûL CûQl× (Aerial tap joint)
(Fig 9) : úTôÕUô] A[Ü SLÚm RuûU
CÚdÏmT¥Ùm CûQl©u ÁÕ
DVlTt\ûYl× (soldering) ùNnVôUÛm
Øû] áoûUVôdLlThP CûQl×
CûQl× RVô¬dLlTÓ¡\Õ. CkR YûL
(Scarfed joint ) (Fig 7) : ùT¬V A[Üs[Ytû\
CûQl× Ïû\kR ªuú]ôhP A[Üs[
Jtû\ ùT¬V LPj§«p ϱlTôL SpX
ªuÑtßLÞdÏ UhÓúU Ht\Õ. CÕ G°V
62 TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.2.20 - 22