Page 175 - Electrician 1st year - TP

TYo (Power) T«t£ 1.5.51
ªuT¦Vô[o þ AC ªuÑtßLs (AC Circuits)

3 úTv ªuÑt±p ùLlTô£hPûW TVuTÓj§ §\u LôW¦ûV (Power
factor) (PF) A§L¬dLf ùNnÙm T«t£ (Practice improvement of PF by use of ca-
pacitor in three phase circuit)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• NUUô] 3 CuPd¥q TÞûY CûQjÕ §\u LôW¦ûV (TYo @úTdPo) A[jRp
• CuPd¥q TÞ®tÏ 3 ùLlTô£hPo úTedûL CûQjÕ §\u LôW¦ûV (TYo
@úTdPo) A[®Pp
• ùLlTô£hPo úTedûL CûQjR ©\Ï A§L¬jR TYo @úTdPûW T§Ü ùNnRp
Utßm A[®Pp.
úRûYVô]ûYLs (Requirements)

LÚ®Ls/NôR]eLs/CVk§WeLs
(Tools / Equipment)
• 3 úTv CuPdNu úUôhPôo
• CuÑúXhPh Lôm©ú]Nu 415 V. 2.25KW
©ú[Vo 200 ª.Á 1 No. (TÞ CûQl×Pu) 1 No.
• CuÑúXhPh vÏÚ ¥ûWYo • 3 úTv ®[dÏ TÞ 0.3KW 1 No.
200 ª.Á 1 No. ùTôÚhLs (Materials)
• 3 PF ÁhPo 240V / 440 V 1 No.
• Yôh ÁhPo 250/ 500V.5A/ 10A 2 Nos. • ©®£ CuÑúYhPh ùNm×
• MI AmÁhPo 0 -5 A / 10A 1 No. úL©s 2.5 N.ª.Á, 650 V ¡úWÓ 20 ÁhPo
• MI úYôph ÁhPo • TPIC Ñ®hf 16A, 500V 2 Nos.
0 - 300V / 600V 1 No.
• TYo @úTdPûW A§L¬dLf
ùNnÙm ùLlTô£hPo úTed
3 , 415 V, 1.5 KVAR 1 No.
ùNnØû\

ùNnV úYi¥V úYûX 1: 3 úTv NUªpXôR CuPd¥q TÞûY CûQjÕ TYo
@úTdPo A[®Pp

1 TÞÜPu CûQdLlThÓs[ 3
úUôhPôÚPu 2 Yôh ÁhPoLs, JÚ 3
PF ÁhPo, úYôph ÁhPo Utßm
AmÁhPo B¡VYtû\ Fig þ1p
Lôi©jÕs[T¥ CûQdLÜm.

2 CûQlûT T«tßS¬Pm Lôi©jÕ N¬
TôodLf ùNôpXÜm.

3 Ñ®hfûN “ON” ùNnVÜm. 60% TÞûY
úUôhPôo ÁÕ Ht± A[ÜLû[
AhPYûQ þ 1p ϱdLÜm.
4 Ñ®hûN “OFF” ùNnÕ Fig þ2p
Lôi©jÕs[T¥ ùLlTô£hPo úTedûL
CûQdLÜm.

151