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h‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻣﺴﺎﺣﺔ‬ ‫ﺍﺧﺘﻴﺎﺭ‬(Cable size Calculations)
‫ﺍﻟﺮﺣﻴﻢ‬ ‫ﺍﻟﺮﺣﻤﻦ‬ ‫ﺍﷲ‬ ‫ﺑﺴﻢ‬
‫ﺍﻟﺪﺭﺱ‬ ‫ﻫﺬﺍ‬ ‫ﻓﻲ‬‫ﻓﻲ‬ ‫ﺍﻟﻤﺴﺘﺨﺪﻣﺔ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻣﺴﺎﺣﺔ‬ ‫ﺍﺧﺘﻴﺎﺭ‬ ‫ﻛﻴﻔﻴﺔ‬ ‫ﻋﻦ‬ ‫ﻣﺨﺘﺼﺮﺍ‬ ‫ﺷﺮﺣﺎ‬ ‫ﺳﺄﻗﺪﻡ‬‫ﺍﻟﺘﻤﺪﻳﺪﺍﺕ‬
‫ﺍﻟﻤﺨﺘﻠﻔﺔ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬
(Cable Size Calculation)
‫ﺃﻥ‬‫ﻣﺴﺎﺣﺔ‬ ‫ﻳﺤﺪﺩ‬ ‫ﺍﻟﺬﻱ‬‫ﺳﻴﻤﺮ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻮ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬‫ﺑﻬﺎ‬.
U‫ﺃﻭﻻ‬:‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺣﺴﺎﺏ‬:U
1-‫ﺣﺴﺎﺏ‬‫ﺍﻟﻄﻮﺭ‬ ‫ﺃﺣﺎﺩﻳﺔ‬ ‫ﺍﻟﺪﻭﺍﺋﺮ‬ ‫ﺣﺎﻟﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬(Single Phase)
I= P/V*PF
‫ﺣﻴﺚ‬:
V:‫ﻭﻓﻲ‬ ‫ﺍﻟﻄﻮﺭ‬ ‫ﻓﻮﻟﻄﻴﺔ‬ ‫ﻫﻲ‬‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﺤﺎﻟﺔ‬ ‫ﻫﺬﻩ‬220-240‫ﻓﻮﻟﺖ‬.
P:‫ﺍﻟﻮﺍﻁ‬ ‫ﺑﻮﺣﺪﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻫﻲ‬
P.F:‫ﻣﻌﺎﻣﻞ‬ ‫ﻫﻮ‬‫ﻗﻴﻤﺘﻪ‬ ‫ﺗﻜﻮﻥ‬ ‫ﻣﺎ‬ ‫ﻭﻋﺎﺩﺓ‬ ‫ﺍﻟﻘﺪﺭﺓ‬)0.8)
I:‫ﺑﻮﺣﺪﺓ‬ ‫ﻭﺗﻘﺎﺱ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻲ‬‫ﺍﻻﻣﺒﻴﺮ‬.
2-‫ﺍﻻﻃﻮﺍﺭ‬ ‫ﺛﻼﺛﻴﺔ‬ ‫ﺍﻟﺪﻭﺍﺋﺮ‬ ‫ﺣﺎﻟﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺣﺴﺎﺏ‬(Three Phase)
I= P/1.732*V*PF
‫ﺣﻴﺚ‬:
V:‫ﺍﻟﻄﻮﺭ‬ ‫ﻓﻮﻟﻄﻴﺔ‬ ‫ﻫﻲ‬‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﺤﺎﻟﺔ‬ ‫ﻫﺬﻩ‬ ‫ﻭﻓﻲ‬380-400‫ﻓﻮﻟﺖ‬.
P:‫ﺍﻟﻮﺍﻁ‬ ‫ﺑﻮﺣﺪﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻫﻲ‬
P.F:‫ﻣﻌﺎﻣﻞ‬ ‫ﻫﻮ‬‫ﻗﻴﻤﺘﻪ‬ ‫ﺗﻜﻮﻥ‬ ‫ﻣﺎ‬ ‫ﻭﻋﺎﺩﺓ‬ ‫ﺍﻟﻘﺪﺭﺓ‬)0.8)
I:‫ﺑﻮﺣﺪﺓ‬ ‫ﻭﺗﻘﺎﺱ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻲ‬‫ﺍﻻﻣﺒﻴﺮ‬.
U‫ﺛﺎﻧﻴﺎ‬:‫ﺍﻟﻜﺎﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﺍﺧﺘﻴﺎﺭ‬:U
‫ﺣﺴﺎﺏ‬ ‫ﻣﻦ‬ ‫ﺗﻤﻜﻨﺎ‬ ‫ﺍﻥ‬ ‫ﺑﻌﺪ‬‫ﺻﻨﺎﻋﺔ‬ ‫ﺑﺸﺮﻛﺎﺕ‬ ‫ﺧﺎﺻﺔ‬ ‫ﺟﺪﺍﻭﻝ‬ ‫ﻋﻠﻰ‬ ‫ﺑﻨﺎء‬ ‫ﺍﻟﻜﺎﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻧﺨﺘﺎﺭ‬ ‫ﺍﻥ‬ ‫ﻧﺴﺘﻄﻴﻊ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬‫ﺍﻟﻜﻮﺍﺑﻞ‬
‫ﺷﺎء‬ ‫ﺍﻥ‬ ‫ﻗﺎﺩﻣﺔ‬ ‫ﺩﺭﻭﺱ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺠﺪﺍﻭﻝ‬ ‫ﻫﺬﻩ‬ ‫ﺑﻌﺾ‬ ‫ﺍﺭﻓﻖ‬ ‫ﺍﻥ‬ ‫ﻭﺳﺎﺣﺎﻭﻝ‬‫ﺍﷲ‬.
‫ﺍﻟﻘﻴﻢ‬ ‫ﻫﺬﻩ‬ ‫ﺑﻌﺪ‬ ‫ﻳﺤﺪﺩ‬ ‫ﺑﺴﻴﻂ‬ ‫ﺟﺪﻭﻝ‬ ‫ﻭﻫﺬﺍ‬

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279365583 cable-sizing

  • 1. h‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻣﺴﺎﺣﺔ‬ ‫ﺍﺧﺘﻴﺎﺭ‬(Cable size Calculations) ‫ﺍﻟﺮﺣﻴﻢ‬ ‫ﺍﻟﺮﺣﻤﻦ‬ ‫ﺍﷲ‬ ‫ﺑﺴﻢ‬ ‫ﺍﻟﺪﺭﺱ‬ ‫ﻫﺬﺍ‬ ‫ﻓﻲ‬‫ﻓﻲ‬ ‫ﺍﻟﻤﺴﺘﺨﺪﻣﺔ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻣﺴﺎﺣﺔ‬ ‫ﺍﺧﺘﻴﺎﺭ‬ ‫ﻛﻴﻔﻴﺔ‬ ‫ﻋﻦ‬ ‫ﻣﺨﺘﺼﺮﺍ‬ ‫ﺷﺮﺣﺎ‬ ‫ﺳﺄﻗﺪﻡ‬‫ﺍﻟﺘﻤﺪﻳﺪﺍﺕ‬ ‫ﺍﻟﻤﺨﺘﻠﻔﺔ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ (Cable Size Calculation) ‫ﺃﻥ‬‫ﻣﺴﺎﺣﺔ‬ ‫ﻳﺤﺪﺩ‬ ‫ﺍﻟﺬﻱ‬‫ﺳﻴﻤﺮ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻮ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻣﻘﻄﻊ‬‫ﺑﻬﺎ‬. U‫ﺃﻭﻻ‬:‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺣﺴﺎﺏ‬:U 1-‫ﺣﺴﺎﺏ‬‫ﺍﻟﻄﻮﺭ‬ ‫ﺃﺣﺎﺩﻳﺔ‬ ‫ﺍﻟﺪﻭﺍﺋﺮ‬ ‫ﺣﺎﻟﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬(Single Phase) I= P/V*PF ‫ﺣﻴﺚ‬: V:‫ﻭﻓﻲ‬ ‫ﺍﻟﻄﻮﺭ‬ ‫ﻓﻮﻟﻄﻴﺔ‬ ‫ﻫﻲ‬‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﺤﺎﻟﺔ‬ ‫ﻫﺬﻩ‬220-240‫ﻓﻮﻟﺖ‬. P:‫ﺍﻟﻮﺍﻁ‬ ‫ﺑﻮﺣﺪﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻫﻲ‬ P.F:‫ﻣﻌﺎﻣﻞ‬ ‫ﻫﻮ‬‫ﻗﻴﻤﺘﻪ‬ ‫ﺗﻜﻮﻥ‬ ‫ﻣﺎ‬ ‫ﻭﻋﺎﺩﺓ‬ ‫ﺍﻟﻘﺪﺭﺓ‬)0.8) I:‫ﺑﻮﺣﺪﺓ‬ ‫ﻭﺗﻘﺎﺱ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻲ‬‫ﺍﻻﻣﺒﻴﺮ‬. 2-‫ﺍﻻﻃﻮﺍﺭ‬ ‫ﺛﻼﺛﻴﺔ‬ ‫ﺍﻟﺪﻭﺍﺋﺮ‬ ‫ﺣﺎﻟﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺣﺴﺎﺏ‬(Three Phase) I= P/1.732*V*PF ‫ﺣﻴﺚ‬: V:‫ﺍﻟﻄﻮﺭ‬ ‫ﻓﻮﻟﻄﻴﺔ‬ ‫ﻫﻲ‬‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﺤﺎﻟﺔ‬ ‫ﻫﺬﻩ‬ ‫ﻭﻓﻲ‬380-400‫ﻓﻮﻟﺖ‬. P:‫ﺍﻟﻮﺍﻁ‬ ‫ﺑﻮﺣﺪﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻫﻲ‬ P.F:‫ﻣﻌﺎﻣﻞ‬ ‫ﻫﻮ‬‫ﻗﻴﻤﺘﻪ‬ ‫ﺗﻜﻮﻥ‬ ‫ﻣﺎ‬ ‫ﻭﻋﺎﺩﺓ‬ ‫ﺍﻟﻘﺪﺭﺓ‬)0.8) I:‫ﺑﻮﺣﺪﺓ‬ ‫ﻭﺗﻘﺎﺱ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻫﻲ‬‫ﺍﻻﻣﺒﻴﺮ‬. U‫ﺛﺎﻧﻴﺎ‬:‫ﺍﻟﻜﺎﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﺍﺧﺘﻴﺎﺭ‬:U ‫ﺣﺴﺎﺏ‬ ‫ﻣﻦ‬ ‫ﺗﻤﻜﻨﺎ‬ ‫ﺍﻥ‬ ‫ﺑﻌﺪ‬‫ﺻﻨﺎﻋﺔ‬ ‫ﺑﺸﺮﻛﺎﺕ‬ ‫ﺧﺎﺻﺔ‬ ‫ﺟﺪﺍﻭﻝ‬ ‫ﻋﻠﻰ‬ ‫ﺑﻨﺎء‬ ‫ﺍﻟﻜﺎﺑﻞ‬ ‫ﻣﻘﻄﻊ‬ ‫ﻧﺨﺘﺎﺭ‬ ‫ﺍﻥ‬ ‫ﻧﺴﺘﻄﻴﻊ‬ ‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬‫ﺍﻟﻜﻮﺍﺑﻞ‬ ‫ﺷﺎء‬ ‫ﺍﻥ‬ ‫ﻗﺎﺩﻣﺔ‬ ‫ﺩﺭﻭﺱ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺠﺪﺍﻭﻝ‬ ‫ﻫﺬﻩ‬ ‫ﺑﻌﺾ‬ ‫ﺍﺭﻓﻖ‬ ‫ﺍﻥ‬ ‫ﻭﺳﺎﺣﺎﻭﻝ‬‫ﺍﷲ‬. ‫ﺍﻟﻘﻴﻢ‬ ‫ﻫﺬﻩ‬ ‫ﺑﻌﺪ‬ ‫ﻳﺤﺪﺩ‬ ‫ﺑﺴﻴﻂ‬ ‫ﺟﺪﻭﻝ‬ ‫ﻭﻫﺬﺍ‬