Page 151 - Electrician 1st year - TP

TYo (Power) T«t£ 1.4.44
GXdh¬μVu (Electrician) þ LôkR®Vp Utßm ùLlTô£hPo þ (Magnetism
and Capacitors)

úRûYlTÓm §\u Utßm ªu]ÝjRj§tÏ ùLôÓdLlThÓs[
ùLlTô£hPoLû[ ÏÝYôL CûQjRp (Group the given capacitors to get the
required capacity and voltage rating)

úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• ùLlTô£h¥q ¬VôdPuvû^ (capacitive reactance) ¾oUô²jRp
• ùLlTô£hPoLû[ úRoÜ ùNnÕ AûYLû[ ùRôPo CûQl©p CûQjRp
• ùLlTô£hPoLû[ úRoÜ ùNnÕ AûYLû[ TdL CûQl©p CûQjRp
• ùLlTô£hPoL°u ùRôÏlûT úNôRû]«Pp.

úRûYVô]ûYLs (Requirements)

LÚ®Ls/NôR]eLs/CVk§WeLs ùTôÚhLs (Materials)
(Tools / Equipment)
• SPT Ñ®hf 6A 250V 1 No.
• MI úYôph ÁhPo 0 - 300V 1 No. • 2 Mfd 240V / 400V 2 Nos.
• MI AmÁhPo 0 -500 mA 1 No. • 4 Mfd 240V / 400V 1 No.
• ¬úVôvPôh 300, 2A 1 No. • 8 Mfd 240V / 400V, 50Hz 1 No.
• AC 240 VúNôov 1 No. • CûQdÏm Lm©Ls úRûYVô] A[Ü

ùNnØû\

ùNnV úYi¥V úYûX 1: ùLlTô£h¥q ¬VôdPuvû^ A[®Pp

1 Fig þ1p Lôi©dLlThÓs[Õ úTôuß JÚ
2 ƒd ùLlTô£hPûW TVuTÓj§ ªu 4 ¬VôdPuvû^ LQd¡hÓ
Ntû\ AûUdLÜm.
AhPYûQ þ1p T§Ü ùNnVÜm.

5 LQd¡PlThP U§lûT ¸úZ
RWlThÓs[ ãj§WjûR TVuTÓj§
Jl©hÓ TôodLÜm.

64 ƒd ùLlTô£hPÚdÏ ùLlTô£h¥q
¬VôdPuv U§lûT Y. Gi 1 ØRp 5 YûW
ûLVôÞYRtÏ Øu]o
ùLlTô£hPûW ªu²\dLm (dis- UßT¥Ùm ùNnÕ LiÓ©¥dLÜm.
charge) ùNnVÜm. 7 Ø¥Ü (Result)
i ùLlTô£hPuv A§LUôÏm úTôÕ
2 Ñ®hf ‘S’ ê¥ ùLlTô£hP¬u úWhPh
ùLlTô£h¥q ¬VôdPuv __________.
ªu]ÝjRj§tÏ ùTôPu£Vp ¥ûYPûW
N¬ ùNnVÜm. ii ¬VôdPuv A§LUô]ôp ùLlTô£Puv
__________.
3 úYôph ÁhPo Utßm AmÁhPo
A[ÜLû[ LY²jÕ AhPYûQ þ 1p
T§Ü ùNnVÜm.

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