Page 337 - Electrician -1st Year - TT

A§LUô] @l¬dÏYu£«u LôWQUôL Nuh ØÝ ÑûUdÏ ë²h¥ (unity) §\u
(shunt) LôkR úLôÓL°p ©ûZLs CÚdLXôm. LôW¦ûV N¬ ùNnRp (Full load unity power
RY\ô] úTv úLôQm (Incorrect phase factor adjustment): ªu]ÝjR Lô«Xõp
YûWVßdLlThP ªu]ÝjRØm, ë²h¥
angles): TpúYß phasors-LÞdÏ CûPúV
(unity) §\u LôW¦«p ªuú]ôhP
N¬Vô] ùRôPo× CpûX. UôßThP úTv
Lô«ÛdÏ ªuú]ôhPØm ùNÛjRl
úLôQm ©uRe¡ (lag) RY\ôL ùTôÚkÕRp,
TÓ¡\Õ. ÁhP¬u RhÓ N¬Vô] úYLj§p
A§LlT¥Vô] @l¬dÏYu£ ùYlTj§]ôp
ÑZÛUôß LôkRj§p braking ØßdÏ §\û]
ªuRûP Uôt\m úTôu\ûYL[ôp
N¬ ùNnV úYiÓm.
HtTÓ¡\Õ.
YûWVßdLlThP ªu]ÝjR Nlû[
LôkRfÑt±p NUfºo CpXôRÕ (Lack of
(Rated supply voltage): YûWVßdLlThP ØÝ
symmetry in magnetic circuit): LôkRfÑt±p
ÑûU ªuú]ôhPm Utßm ë²h¥ (unity)
NUfºWûUÜ N¬«pûX Gu\ôp CVdL
§\u LôW¦«p YûWVßdLlThP
ØßdÏ®ûN (driving torque) HtThÓ ÁhP¬p
ªu]ÝjRjûR N¬ ùNnÕ úUôhPô¬u
FoRp (creep) HtTÓ¡\Õ.
úYLjûR N¬ TôodL úYiÓm. ØÝ ÑûU
Braking £vPj§p HtTÓm ©ûZLs ë²h¥ §\u LôW¦ Utßm Ïû\kR §\u
(Error caused by the braking system) LôW¦L°p úYûYdúLt\ ÕpXõVm ùT\

AûYLs, úYiÓm.
• Brake LôkRjR§u YXõûU«p Uôt\m Ïû\kR ÑûU«p N¬ ùNnRp (Light load
adjustment): YûWVßdLlThP ªu]ÝjRm,
• ¥vd¡u ªuRûP«p Uôt\m
ªu]ÝjR Lô«ÛdÏm Utßm ØÝ ÑûU
• º¬Vv LôkRdúLôÓL°p Rô]ôLúY brak- ªuú]ôhPj§p 5% NR®¡Rm, ë²h¥
ing ®û[Ü HtTÓRp §\u LôW¦«p Ïû\kR ªuú]ôhPm
ÁhPÚdÏ ùNÛjRlTÓ¡\Õ. ÁhPo N¬Vô]
• ÑZÛm TôLj§p CVp×dÏ Á±V EWônÜ
úYLj§p ÑZÛmT¥ Ïû\kR ÑûU LÚ®ûV
HtTÓRp.
N¬ ùNnV úYiÓm.
©ûZLû[ N¬ ùNnYRtÏ ÁhP¬p
ØÝf ÑûU«p ë²h¥ §\u LôW¦ (Full
Y¯Øû\Ls Es[Õ. AYtû\ N¬ ùNnRôp
load unity power factor): ØÝ ÑûU Utßm
ÁhPo N¬Vô] A[ûY Lôi©dÏm. úUÛm
Ïû\kR ÑûUL°p Ïû\kR ÑûUûV N¬
©ûZLs YWm©tÏ EhThPRôL CÚdL
ùNnÙm LÚ®ûV TVuTÓj§ úYLjûR N¬
úYiÓm.
ùNnV úYiÓm.
BWmT ÑûUûV N¬ ùNnRp (Preliminary light
load adjustment): YûWVßdLlThP FoRûX N¬ ùNnRp (Creep adjustment):
Ïû\Yô] ÑûU«p LûP£ Øû\VôL
ªu]ÝjRm ªu]ÝjR Lô«ÛdÏ
N¬TôodL '0' ÑûU ªuú]ôhPj§p
YZeLlThÓm, ªuú]ôhP Lô«Xõp
YûWVßdLlThP ªu]ÝjRj§p 110
ªuú]ôhPm ùNpXôRYôßm, BWmT ÑûU
NRÅ¡Rm YZe¡ ¡[oîhPlTÓ¡\Õ.
N¬ ùNnÙm LÚ®ûV §Ú¡ RhÓ (disc)
Ïû\kR ÑûU«p N¬ ùNnR ©\Ï ÁhP¬p
ÑZXôRYôß ùNnV úYiÓm. ªuLôkRjûR
FoRp (creep) ©ûZ CÚdLdáPôÕ.
£±Õ N¬ ùNnÕ Rh¥u Õû[Ls
ªuLôkRj§tÏ SÓ®p YÚmUôß N¬ ùNnV
úYiÓm.

TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.10.85 & 86 317