Page 330 - Electrician 1st year - TP

TYo (Power) T«t£ 1.12.99
GXdh¬μVu (Electrician)þ ¥Wôuv@TôoUov (Transformers)

£e¡s úTv ¥Wôuv@TôoU¬u ùNVp§\û] ¾oUô²dL §\kR
ªuÑtß Utßm ÏßdÏ ªuÑtû\ ùNnRp (Perform open circuit and short
circuit test to determine the efficiency of single phase transformer)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• CÚm× TôLeL°p HtTÓm CZlûT ¾oUô²dL §\kR ªuÑtû\ ùNnRp
• ØÝ A[Ü ªuTÞ®p ùNm× Lm©«p HtTÓm CZlûT ¾oUô²dL ÏßdÏ
ªuÑtû\ ùNnRp
• TpúYß ªuTÞdL°p ¥Wôuv@TôoU¬u ùNVp §\û] ¾oUô²jRp.

úRûYVô]ûYLs (Requirements)
LÚ®Ls/NôR]eLs/CVk§WeLs
(Tools / Equipment)
• úYôph ÁhPo M.I. 100V 1 No. • BhúPô ¥Wôuv@TôoUo
• úYôph ÁhPo M.I. 150V 1 No. Cu×h 240V AÜh×h
• YôhÁhPo 250V, 5A - 1250W 1 No. 0 to 270V, 5A 1 No.
• AmÁhPo M.I. 5A 1 No.
ùTôÚhLs (Materials)
• AmÁhPo M.I. 15A 1 No.
• ©¬dÏYu£ ÁhPo 45 to 55Hz 1 No. • DPST Ñ®hf 16A, 240V 1 No.
• TYo úTdPo ÁhPo 0.5 lag • CûQdÏm Lm©Ls
-1-0.5lead 250V rating 1 No. úRûYVô] A[Ü
• ¥Wôuv@TôoUo
100/250V 1 kVA 50 Hz 1 No.

ùNnØû\

ùNnV úYi¥V úYûX 1: CÚm× TôLeL°p HtTÓm CZlûT ¾oUô²dL §\kR
ªuÑtû\ ùNnRp

1 ùLôÓdLlThÓs[ ¥Wôuv@TôoU¬u HT
BhúPô ¥Wôuv@TôoU¬u
Utßm LT ûY«u¥eûL LiÓ©¥dLÜm.
ùRôPdL ªu]ÝjRUô]Õ ‘0’þp
2 Fig 1þp Lôi©jÕs[Õ úTôp CÚlTûR EߧlTÓj§d
¥Wôuv@TôoU¬u LTþp ©¬dÏYu£ ùLôs[Üm.
ÁhPo, AmÁhPo, YôhÁhPo,
úYôphÁhPo, BhúPô ¥Wôuv@TôoUo 3 Ñ®hf ‘S’þI ªuÑtßPu CûQdLÜm.
B¡VYtû\ CûQdLÜm.
¥Wôuv@TôoU¬u (transformer) LT
ûY«u¥e¡u ªu]ÝjRjûR JúW
ºWôL 100% EVojRÜm.

4 úWhPh A[ÜdÏ, ARu Nlû[
©¬dÏYu£ U§lûT N¬ TôodLÜm.

5 ÁhPoL°u A[ûY EtßúSôd¡,
A[ÜLû[ AhPYûQ«p T§Ü
ùNnVÜm.

306