‫‪f‬‬
‫ﺳﻮﺍﻻﺕ ﭘﻴﺸﻨﻬﺎﺩﻱ ﮐﮐﻮﺋﻴﺰ ﺷﺸﻢ ﻣﻣﺪﺍﺭﻫﺎﻱ ﺍﻟﮑﺘﺮﺮﻳﮑﻲ‬
‫ﺕ‬
‫ﺳﻮﺍﻝ ‪۱‬‬
‫ﺳ‬
‫ﺑﺪﺳﺖ ﺁﻭﺭﻳﺪ‪ .‬ﻭﻟﻟﺘﺎﮊ ﺧﺮﻭﺟﻲ‬
‫ﺩﺩﺭ ﻣﺪﺍﺭ ﺯﻳﺮ ﺗﻮﺍﻥ ﻣﺨﺘﻠﻄﻲ ﮐﻪ ﻣﻨﺒﻊ ﻭﻟﺘﺎﮊ ﺗﺤﻮﻮﻳﻞ ﻣﻲﺩﻫﺪ ﺭﺍ ﺑﺪ‬
‫ﺭﺍ ﺩﺭ ﺣﺎﻟﺖ ﺩﺩﺍﺋﻤﻲ ﺳﻴﻨﻮﺳﻲ ﺣﺴﺎﺏ ﮐﻨﻴﺪ‪.‬‬
‫‪0.5F‬‬
‫‪4‬‬
‫‪2H‬‬
‫‪2‬‬
‫‪+‬‬
‫‪vo‬‬
‫–‬
‫‪3‬‬
‫‪2sin 5t‬‬
‫‪1H‬‬
‫ﺳﻮﺍﻝ ‪۲‬‬
‫ﺳ‬
‫ﺟﻲ ﺑﻪ ﺳﺮﻫﺎﻱ‬
‫ﮐﻪ ﻫﻴﭻ ﺑﺎﺭ ﺧﺎﺭﺟ‬
‫ﺩﺩﺭ ﻣﺪﺍﺭ ﺷﮑﻞ ﺯﺯﻳﺮ‪ ،‬ﻫﻨﮕﺎﻣﻲ ﻪ‬
‫ﻭﻭﻗﺘﻲ ﮐﻪ ﺑﺎﺭﻱ ﺑﺎ ﺍﻣﭙﺪﺍﻧﺲ ‪6‬‬
‫‪60‬‬
‫‪ 80‬ﺑﻪ ﺩﻭ ﺳﺮ‬
‫ﺍﺍﻣﭙﺪﺍﻧﺴﻲ ﺭﺍ ﭘﻴﺪﺪﺍ ﮐﻨﻴﺪ ﮐﻪ ﻲ‬
‫ﻭﻗﺘﻲ ﺑﻪ ﺩﻭ ﺳﺮ‬
‫ﻭ‬
‫ﻭ‬
‫ﻭ‬
‫ﻣﺘﺼﻞ ﻧﺸﻮﺩ‪ ،‬ﻓﺎﺯﻭﺭ ﻭﻟﺘﺎﮊ‬
‫‪ 24‬ﻣﺆﺛﺮ ﺍﺳﺖ‪.‬‬
‫ﺻﻮﺭﺕ ‪40∢0‬‬
‫ﺑﻪ ﺻ‬
‫‪ 11‬ﻭﻟﺖ ﺍﺳﺖ‪.‬‬
‫ﺼﻞ ﻣﻲﺷﻮﺩ‪ ،‬ﻓﻓﺎﺯﻭﺭ ﻭﻟﺘﺎﮊ ﻣﺆﺆﺛﺮ ﺑﻪ ﺻﻮﺭﺕ ‪15.2 + 33.6‬‬
‫ﻣﺘﺼ‬
‫ﺍﻧﺘﻘﺎﻝ ﻳﺎﺑﺪ‪ .‬ﻣﻘﺪﺍﺭ ﻦ‬
‫ﻝ‬
‫ﺷﻮﺩ‪ ،‬ﺣﺪﺍﮐﺜﺮ ﺗﻮﻮﺍﻥ ﺑﻪ ﺁﻥ‬
‫ﻭﺻﻞ ﻣﻲﺷ‬
‫ﺍﻳﻦ ﺣﺪﺍﮐﺜﺮ ﺗﻮﺍﻥ ﺍﻧﺘﻘﺎﻝ ﻳﺎﻓﺘﻪ ﺭﺍ‬
‫ﻧﻧﻴﺰ ﺣﺴﺎﺏ ﮐﻨﻴﺪﺪ‪.‬‬
‫‪a‬‬
‫ﻣﺪﺍﺭ ﺩﺭ ﺣﺎﻟﺖ ﺩ ﺍﻳﻤﻲ‬
‫ﺳﻴﻨ ﻮﺳﻲ‬
‫‪b‬‬
‫ﺳﻮﺍﻝ ‪۳‬‬
‫ﺳ‬
‫ﺣﺪﺍﮐﺜﺮ ﭼﻴﺴﺖ؟‬
‫ﺮ‬
‫ﮐﻪ ﺣﺪﺍﮐﺜﺮ ﺗﻮﺍﻥ ﺑﺑﻪ ﺁﻥ ﺍﻧﺘﻘﺎﻝ ﺩﺍﺩﻩ ﺷﻮﺩ‪ .‬ﻣﻘﺪﺍﺭ ﺍﻳﻦ ﺗﻮﺍﻥ‬
‫ﭼﻨﺎﻥ ﺗﻌﻴﻴﻦ ﮐﻨﻴﺪ ﻪ‬
‫ﺩﺩﺭ ﻣﺪﺍﺭ ﺻﻔﺤﻪ ﺑﻌﺪ‪ Z ،‬ﺭﺍ ﻥ‬
‫)‪6 cos(10 + 30°‬‬
‫)‪7 sin(10 + 40°‬‬
‫‪١‬‬
‫ﺳﻮﺍﻻﺕ ﭘﻴﺸﻨﻬﺎﺩﻱ ﮐﻮﺋﻴﺰ ﺷﺸﻢ ﻣﺪﺍﺭﻫﺎﻱ ﺍﻟﮑﺘﺮﺮﻳﮑﻲ‬
‫ﺳ‬
‫) (‬
‫) (‬
‫‪10‬‬
‫‪40mF‬‬
‫‪Z‬‬
‫‪40mF‬‬
‫)‪w(t‬‬
‫‪0.5H‬‬
‫‪6‬‬
‫)‪v(t‬‬
‫ﺳﻮﺍﻝ ‪۴‬‬
‫ﺳ‬
‫ﺑﻮﺩﻩ ﻭ ﺗﻮﺍﻥ ‪ 10 KVA‬ﺑﺎ ﺿﺮﻳﺐ‬
‫ﺑﺎﺭ ‪ A‬ﺍﻟﻘﺎﻳﻲ ﻩ‬
‫ﻣﻄﺎﺑﻖ ﺷﮑﻞ ﺗﻐﺬﻳﻪ ﻣﻲﺷﻮﻧﺪ‪ .‬ﺭ‬
‫ﻣﻄ‬
‫ﺧﻂ ﺍﻧﺘﻘﺎﻝ ‪0.1 + 0.1‬‬
‫ﺩﺩﻭ ﺑﺎﺭ ‪ A‬ﻭ ‪ B‬ﺑﺑﻪ ﻭﺳﻴﻠﻪ ﻳﮏ ﺧ‬
‫ﺗﺗﻮﺍﻥ ‪ 0.6‬ﻣﺼﺮﺮﻑ ﻣﻲﮐﻨﺪ‪ .‬ﺑﺎﺭ ‪ B‬ﺧﺎﺯﻧﻲ ﺑﻮﺩﻩ ﻭ ﺗﻮﺍﻥ ‪ 5 KVA‬ﺭﺍ ﺑﺎ ﺿﺮﻳﺐ ﺗﻮﺍﻥ ‪ 0.8‬ﻣﺼﺮﺮﻑ ﻣﻲﮐﻨﺪ‪ .‬ﻭﻟﺘﺎﺎﮊ ‪ V‬ﺩﻭ ﺳﺮ ﺑﺎﺭﺭﻫﺎ‪ ۱۰۰ ،‬ﻭﻟﺖ‬
‫ﺗﻌﻴﻴﻦ ﮐﻨﻴﺪ ﮐﻪ ﺿﺮﻳﺐ‬
‫ﻦ‬
‫ﮐﻨﻴﺪ‪ .‬ﺑﺎﺭ ﺳﻮﻣﻲ ﻣﺎﻧﻧﻨﺪ ‪ C‬ﺑﻪ ﻃﻮﺭ ﻣﻣﻮﺍﺯﻱ ﺑﺎ ‪ A‬ﻭ ‪ B‬ﺭﺍ ﭼﻨﺎﻥ‬
‫‪.‬‬
‫ﻣﻮﻟﺪ ﺭﺍ ﺗﻌﻴﻴﻦ‬
‫‪ RMSS‬ﺍﺳﺖ‪ .‬ﻭﻟﺘﺘﺎﮊ ﺩﻭ ﺳﺮ ﺪ‬
‫ﺐ ﺗﻮﺍﻥ ﮐﻞ ﺭﺍ‬
‫ﺑﺑﺮﺍﺑﺮ ﺑﺎ ﻭﺍﺣﺪ ﮐﮐﻨﺪ‪.‬‬
‫‪B‬‬
‫‪+‬‬
‫‪V‬‬
‫–‬
‫‪A‬‬
‫‪Z‬‬
‫‪vs‬‬
‫ﺳﺮﺍﺳﺮﻱ ‪۱۳۸۰‬‬
‫ﻱ‬
‫ﺳﻮﺍﻝ ‪ ۵‬ـ ﮐﻨﻨﮑﻮﺭ‬
‫ﺳ‬
‫ﺩﺩﺭ ﺷﮑﻞ ﺯﻳﺮ‬
‫ﭼﻘﺪﺭ ﺑﺎﺷﺪ ﺗﺎ ﺗﻮﺍﻥ ﻣﺘﻮﺳﻂ ﺍﻧﺘﻘﺎﻟﻲ ﺑﻪ ﺁﻥ ﻣﻣﺎﮐﺰﻳﻤﻢ ﺷﻮﺩ؟‬
‫ﮐﺘﺎﺏ‬
‫ﻬﺎﺩﻱ ﺍﺯ ﺏ‬
‫ﺳﻮﺍﻻﺕ ﭘﻴﺸﻨﻬ‬
‫ﺳ‬
‫ﻓﻓﺼﻞ ﻳﺎﺯﺩﻫﻢ‪:‬‬
‫‪7th edition‬‬
‫‪n: 4 ،7 ،12 ،14‬‬
‫‪4 ،17 ،19 ،40‬‬
‫‪0 ،42 ،43 ،45 ،48 ،51 ،52 ،53 ،57 ،59‬‬
‫‪٢‬‬
‫ﺳﻮﺍﻻﺕ ﭘﻴﺸﻨﻬﺎﺩﻱ ﮐﻮﺋﻴﺰ ﺷﺸﻢ ﻣﺪﺍﺭﻫﺎﻱ ﺍﻟﮑﺘﺮﺮﻳﮑﻲ‬
‫ﺳ‬