Basic Information for Overhead Transmission Lines PDF

Summary

This document provides basic information for overhead transmission lines. It explains the components of transmission lines, such as towers, insulators, conductors, and accessories. It also details the design of transmission towers and the role of insulators. Various types of insulators and conductors are also described, along with the phenomenon of corona discharge.

Full Transcript

====================================================================   ‫א אא א‬ ‫א‬ Basic information for over head transmission lines...

====================================================================   ‫א אא א‬ ‫א‬ Basic information for over head transmission lines    # $ ‫"! א‬/‫א‬ =====================================================================     / ‫ـ‬ 17  1  ‫====================================================================‬ ‫ط ا ا ا‬ ‫‪Over head transmission lines‬‬ ‫‬ ‫‪ #$% &'( :‬ا" ا!   ت ا ا ا ه اف ا ‬ ‫ا‪5%‬ء ‪3‬ط ا‪ #$,‬آ (‪ 0.‬ا)‪ " - /‬ا‪ .‬ا!  ‪ ,-‬ا‪ +$,‬ا* )‬ ‫ـ‪.4‬‬ ‫ﺡود '‪. ,‬و ﺕ*‪3 :‬ط ا‪ #$,‬ا!  ?ر' =ا< ه ‪ :‬ا‪$‬و  – ا‪ – -‬ا' – ا ‪.‬‬ ‫و ) ا'دة ﺕ‪ #‬ا ‪." AB‬‬ ‫و ﺕ‪3 G$‬ط ‪ #$%‬ا‪$‬ي ا!  ‪E $&E‬ا إ ا‪-.‬ت ا‪:‬‬ ‫‪3 -‬ط "‪ B‬ة و (‪ 80 - E #$‬آ ‬ ‫‪3 -‬ط   ال و ( اوح ‪ 80   E‬إ ‪ 240‬آ ‬ ‫‪3 -‬ط ‪ (E‬و (‪ 240 - E (M‬آ  ‪.‬‬ ‫و ﺕ*‪ S‬آ‪ - -. #‬ا‪ 3‬ى ) ‪ $( E‬ﺕ‪ #Q‬ا‪Q‬ا< و أ‪P3‬ه ) ا‪&-O‬ر أو إه‪.‬و " وﺝ أن د"‬ ‫ا‪ ) &$ WX,‬آ‪ #‬ﺡ ‪ V‬ا&‪ ) E‬ات‪.‬و ) ه‪P‬ا ا‪.‬ل ﺕ‪ #‬ا' ) ا‪ -.‬او و‬ ‫ﺕ[‪ ) P3‬ا‪&-O‬ر آ‪ $‬آ‪M‬ة ‪ ) ,' $% ,-‬ا‪ -.‬ا‪ ، %Q‬أ  ) ا‪ -.‬ا‪M) QQ‬م ا‪&-‬ر‬ ‫ﺕز(‪ V‬ا' ‪E -‬ل ا*‪ +‬ﺡ\ ﺕ ﺕ‪ " V‬ار ا'ي ‪ -‬ا*‪(M +‬دة ال‪.‬‬ ‫وﺕ!ـن ‪  /,‬ا‪$‬ى ا! ‪ ) _X‬ﺝ‪ V‬دول ا'‪  G‬ا`ﺕ ‪:‬‬ ‫‪Generation‬‬ ‫‪.1‬اــــــــــ‬ ‫‪Transmission lines‬‬ ‫‪3.2‬ـط ا‪,‬ـ‪#$‬‬ ‫‪Loads‬‬ ‫‪.3‬اﺡـــــــــل‬ ‫و ف ‪ '%‬ف ) ه‪ bP‬ارا  ‪ c-‬ﺝ‪M‬ء ـ‪  G‬ه‪ bP‬ا‪  /,‬وه !‪%‬ت ‪3‬ط ا‪ #$,‬اا‪ X‬ا ‪X‬‬ ‫و‪ E‬ق ا‪ %B‬ا* وا‪/‬اه ا ﺕ' ض  ا*ط‪.‬‬ ‫ــ ﻥت اـ ـ ط ا ا ‪:‬‬ ‫‪Towers‬‬ ‫‪.1‬ا اج‬ ‫‪Insulators‬‬ ‫‪.2‬ا'ازل‬ ‫‪Conductors‬‬ ‫‪.3‬ا‪g‬ت‬ ‫‪Accessories‬‬ ‫‪.4‬ا‪h‬آارات‬ ‫‪TOWERS‬‬ ‫‪ – 1‬ا! ــــــــاج‬ ‫)‪ (1 – 1‬ی‪ / 01- /2‬ا! اج ا  ‪ * +  ,)-.‬ا)ج و 'ر ا‪ %‬ا ا‪$‬‬ ‫ا'ا ‪ #‬ا ﺕ[= ) ﺕ‪ GB‬ا اج ا! ‪:‬‬ ‫‪.1‬ا‪ .‬ا!  ا*م‪.‬‬ ‫‪-.2‬د اوا‪ X‬ا ( ا& ج‪.‬‬ ‫‪.3‬ا'ا ‪ #‬ا!‪ !%‬ا (' ض  ا*‪) +‬ر(ح – =ج‪. (....................‬‬ ‫‪.4‬أ"ر ا‪g‬ت وا) ‪.,‬‬ ‫‪.5‬ا)  ا اج‪.‬‬ ‫)‪ (2 – 1‬أﻥ اع ا! اج ا‪42'0‬‬ ‫‪.1‬أ اج ا'‪ (Suspension towers ) l‬وﺕ‪ #!5‬ه‪ bP‬ا اج ‪  % 80‬اﺝ‪c‬‬ ‫‪-‬د ا اج ) ا*‪ +‬وﺕ*م ) ﺕ‪ #‬ا‪g‬ت ‪.‬‬ ‫‪.2‬أ ح ا‪ (tension towers) 5‬و)‪X‬ﺕ ﺕ‪ #‬ا‪ ) 5‬ا*‪.+‬‬ ‫و‪ G( -‬ﺕ&دل اوﺝ_ !‪( c‬ث‬ ‫‪.3‬أ ج ا&د(‪(transposition towers) #‬‬ ‫ﺕ'ـدل ـ'_ وا=ـ_ ‪ c-‬آـ‪ #‬اوﺝـ_ ـل ا*ـ‪.+‬‬ ‫=====================================================================‬ ‫ ‬ ‫ـ ‪  /‬‬ ‫ ‪17  2‬‬ ‫====================================================================‬ ‫‪.4‬أ اج ا‪M‬او( ) ‪ ( angle towers‬و)‪X‬ﺕ ﺕ‪ A‬ر ا*‪. +‬‬ ‫‪.5‬أ اج ‪&-‬ر ) ‪ ( crossing towers‬ﺕ*ـم ه‪ bP‬ا اج ‪&- ,-‬ر ا‪%‬ر وا!‬ ‫ا(( أو ا*ط ا"‪ #‬ﺝ ‪.‬‬ ‫‪.6‬أ اج ا( و ‪ ( terminal towers ) (%‬وه‪ c‬أـ اج ﺵـ و)‪X‬ـﺕ ﺕـ‪ #‬ا‪5‬‬ ‫) ـا(ـ ا‪5‬ـ  ﺝــ واﺡ‪. b‬‬ ‫***********************************************‬ ‫‪Electrical insulators‬‬ ‫‪ -2‬ا‪ ,‬ازل ا‬ ‫‪ :.4‬ﺕ'ـ&ـ ا'ـز‪O‬ت ا!  ه أﺡ أه‪ G‬ا!ـ‪%‬ـت ا ‪3 ) X‬ـط وﺵ&!ـت ‪$%‬ـ‪ #‬ا"‬ ‫وه‪ c‬أﺡ ا'ا ـ‪ #‬ا[= ة ‪ c-‬ﺕ!ـ‪ #$% +3 S‬ا" وآ‪ P‬ﺕ!ـ‪ S‬ا‪A5‬ـ‪ #‬وا‪.%B‬‬ ‫وﺕ'ـ ض ا'ـز‪O‬ت ‪r‬ﺝدات ا!  &‪ 0‬ﺝـد ا‪A5‬ـ‪ #‬وآ‪ P‬ﺝـ_ ا)ـ‪ V‬ا!  ا‪,‬ﺕ‪- .‬‬ ‫ا'ـاـ‪ S‬ا ‪ (-‬وا‪.‬ـد ا‪M‬ا‪X‬ة &‪- 0‬ـت ا‪B‬ـ‪ #‬واـ‪ #‬و" أو‪s‬ـ< ارا ت أن ‪% 80‬‬ ‫ ا‪-‬ل ) ‪3‬ط ا‪ #$,‬ﺕ!ن &‪- 0‬م ‪$‬ر‪ b‬ا'ز‪O‬ت ‪ c-‬ﺕ‪ #‬ا‪.‬د ا‪ A5‬ا'د( ﺕ

Use Quizgecko on...
Browser
Browser