Page 168 - Electrician -1st Year - TT

ùLlTô£hPo ¡û[«p A§L ªuú]ôhPm 6I ùUôjR Ø¥Ü ªuú]ôhPm
TôÙm. ARu ûXu ªuú]ôhPm A§L
7 Ck¨Lr®p CuPd¥q Ñtß
ùLlTô£hPo Es[ ªuÑt\ôL AûUÙm.
ªuú]ôhPm ªu]ÝjRj§tÏ ©k§
AúR úTôp ªuRûP Ïû\Yô]ôp A§L
CÚdÏm. (Fig 5)
ªuú]ôhPm ªuRûP Es[ ¡û[«p
ùNpÛm. RtúTôÕ ªuRûP A§Lm ùLôiP Fig 5
Ñt\ôL AûUÙm. ùLlTô£hPo G§o ®û]
ApXÕ ªuRûP B¡VûY Juû\ ®P
Ut\ûY 10 UPeÏ ApXÕ ARtÏm
A§LUôÏm úTôÕm CkR ªuÑt±û]
Aû]jÕ ùNVpØû\dÏm TVuTÓjRXôm.
¡û[«p Es[Õ GÕ ùT¬VúRô AÕ
CpXôUp úTôn ®Óm
CûQ ªuÑt±p ªuRûP,
CuPdPuv Utßm ùLlTô£Puv þ
ùYdPôo YûWTPm (R, L and C Parallel cir-
cuit - Vector diagram)
ϱl©hP ¨Lr®p (Particular case): X L
ªuRûP X Utßm X EPu á¥V CûQ
C
L C Utßm X CWiÓm NU A[®p A§LUôn
CûQl× (Parallel connection of R, X and X ):
L C Es[Õ. I Utßm I Ju\dùLôuß G§ojÕ
C
L
X Utßm X B¡VûY JußdùLôuß NU¨ûXVô¡ WjRô¡\Õ. RtúTôÕ Z = R
L C
G§Wô]ûY. G]úY CuPdPo ªuú]ôhPm CûQfÑtß ùWùNô]uv @l¬dÏYu£
I Utßm ùLlTô£hP¬u ªuú]ôhPØm I
L C Ñt\ô¡\Õ.
B¡VûYÙm JußdùLôuß G§Wô]ûY
G§o®û]«p ùNpÛm ªuú]ôhPUô]Õ
Utßm Ju±XõÚkÕ Ut\ûR L¯jÕ
YÚTûYVôÏm. (Fig 4) ªuÑt±u ùUôjR ªuú]ôhPjûR ®P
A§LUô«ÚdÏm.
Fig 4
ùRôPo Ñt±p ùWùNô]uv @l¬dÏYu£
LQd¡Óm Øû\úV CRtÏm ùTôÚkÕm.
ERôWQm (Example): ¸rLiP Fig 6þp Es[
ªuÑt±p ùUôjR ªuú]ôhPm I
T
Cm©Puv (Z), §\u LôW¦ (PF) Utßm §\u
B¡VYtû\ LQd¡PÜm.

Fig 6

I = I - I or I - I ùLlTô£hPo Utßm Lô«Xõp
X C L L C
ùNpÛm ªuú]ôhPm C§p G§p A§Lm
ùNp¡\úRô AûRl ùTôÚjÕ CûY
AûUÙm.
YûWTP êXm ¾oÜ (Graphic solution) I > I C
L
1V GuTÕ ùTôÕ U§l×
2I ªu]ÝjRj§tÏ CuúTv³p ùLôÓdLlThPûY (Given)
R
CÚdÏm.
V = 10V
T
3I 90° Øu ùNpÛm ùLlTô£hPo R = 1000
C
ªuú]ôhPm
X = 1570
L
4I 90° ©k§ ùNpÛm Lô«p ªuú]ôhPm
L
X = 637
C
5I = I - I C
X
L
148 TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.5.47