of 3
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Æ≤† ̄Âȇ·† ̄‡Â ̇Ó†‰Ê†Ô ̄ ̇ÙÌ ̄Ê·†ÏÚÂÙ‰†Ô‚Ó† ̃ÒÙÓ·†† ̆Ó ̇ ̆‰Ï†‡Â‰† ̈‰Ê†‰ ̄ ̃Ó·†ÛÒÂ†È ̄ ̆Ù‡†Ô ̄ ̇ÙÁÂω†ÏÚ†Ô ̃ ̇ÂÈ ̆†„·Ï·Â† ̈ÏÂÓ ̆ÈÁ†ÈÙ·† ̇È„ÚÏ·†‰‚‰Î†® ̇ÁÙ† ̄ÒÓÓ©†ÛÏ„∫ÁÒÂ·†‡ÓÈÈ ̃† ̄·†ËÂÏÈ ̆ ̇ÂÚˆÓ‡·†· ̆ÂÁȆ‰Ê†‰ ̄ ̃Ó·†‰‡ÏÂω† ̇·ÎÚ†Ï ̆† ̄ ̇ÂÓ‰†È· ̄ÈÓ‰†Í ̄Ú‰∫‰ÁÒÂ‰∫ ̄ ̆‡ÎÆÔ‚Ó‰† ̃ÒÙÓ†Ï ̆†‰ÏÚÙ‰‰††® ̄ÙÓ‡©†Ì ̄ʆΩId∞Æ≥†‡Â‰†ÂÏ ̆†‰ÏÚÙ‰‰†Ì ̄Ê ̆†Ô‚Ó† ̃ÒÙÓ·† ̆Ó ̇ ̆ ̆†‰Á‰·†ÂÏ ̆†‰Ó‚„·Æ̉‡†∑∂Æ∂†∫‰È‰ ̇† ̇ ̄ ̇ÂÓ‰† ̇È· ̄ÈÓ‰†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Í ̄Ú† ̈ ̄ÙÓ‡2&'דוגמא&מסμ∞∞x≥†Ï ̆† ̄·ÈÁφ‰Ï„‚‰Â† ̇ ̃ÙÒ‡†„ÂÁȇ†Úˆ·Ï†Â ̆ ̃È·† ̄ ̆·†ÏÚÙÓ·Æ ̄ÙӇƄÂÒȆ ̇ ̃ ̄‡‰†Â·†Ôȇ ̆†Ô ̆Ȇτ‚†È ̄ÁÒÓ†ÊÎ ̄Ó·†Ì ̃ÂÓÓ†ÏÚÙÓ‰∫È ̆‡ ̄‰† ̃ÒÙÓ‰†È ̇ÁË·Ó‰†Ï ̆†ÈÏÈÓÂ‰†Ì ̄ʉ†≠†InÁË·Ó‰†Ï ̆†ÈÓ ̄ ̇‰†Ì ̄ʉ†≠†IthÁË·Ó‰†Ï ̆†ÈË‚Ó‰†Ì ̄ʉ†≠†ImagÆ̉‡†∞Æ≤≤††‰È‰†„„Ó ̆†®L.T©†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆†Í ̄Ú‰Ô ̇È†‡Ï†ÍÎÈÙÏL†ÔÈÈÙ‡†ÏÚ·†Âȇ†È ̆‡ ̄‰†ÈËÓ¡‰† ̃ÒÙӉ†Ïȇ‰ÈڈӇ† ̇ ̃ ̄‡‰©†ÏÓ ̆Á‰† ̇Â ̃ ̇·†¥≤†‰ ̃ ̇·†‰ÚÈÙÂÓ‰†‰Ï·Ë·† ̆Ó ̇ ̆‰ÏÆ®Ëφ±∞∞∞†„Ú†Á ̇Ó·†ÏÂÓ ̆ÈÁ†ÈÙ·†‰‚‰Ï ̆†È„ÈÈÓ‰†Â ̃ ̇È† ̇‡†ÁÈË·È ̆† ̈‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆†È· ̄ÈÓ‰†Í ̄Ú‰∫‡·‰†ÔÙ‡·†· ̆ÂÁȆ ̈È ̆‡ ̄‰†ÈËÓ¡‰† ̃ÒÙÓ‰∫ ̄ ̆‡Î ̇ ̆ ̄‰†Ï ̆†ÈÏÈÓÂ‰†ÚÙÂÓ‰†Á ̇Ó†≠†U ̇‡†ÏÈÚÙÈ ̆† ̄Á‡†ÈË‚ӆτÂÓ·† ̃ÒÙÓ‰†Ï ̆†ÈË‚Ó‰†Ï„ÂÓ‰† ̇ÙÏÁ‰∫ÔÎ ̆†‰ÈÚ·‰† ̇‡† ̄ ̇ÙφÏÂÎȆ≤xIn††Ì ̄Ê·† ̇È„ÈÈÓ‰†‰‚‰‰∫‰ ̇Ú†‰È‰È†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆† ̄ ̇ÂÓ‰† ̆„Á‰†È· ̄ÈÓ‰†Í ̄Ú‰‰ ̆È ̄„‰†ÏÚ†‰ÂÚ† ̈®Ì‰Â‡†∞Æ≤≤©†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆†„„Ó‰†Í ̄ډƉʆ‰ ̄ ̃Ó·ÌÈÚÂÓ‰††È ̃Ù҉φ ̇ÂÒÁÈÈ ̇‰†·ÈÈÁÓ†‰ÊΆÔ ̄ ̇Ù·† ̆ÂÓÈ ̆†ÈΆÔÈȈφ ̆ÈƇ ̆† ̇ ̃ÒÙ‰†ÚÂÓφȄη† ̈Ì ̇Ú ̇‰†ÔÙ‡ÏÂ†Ô ̃ ̇Ó·†ÌÈ ̃ ̇ÂÓ‰3&'דוגמא&מסÏ ̆† ̄·ÈÁÏ ̄ÙÓ‡≤μ∞X†≥†Ï ̆† ̄·ÈÁÓ ̄·ÈÁ† ̇Ï„‚‰†Úˆ·Ï†Â ̆ ̃È·† ̄ÙÒ† ̇È··Æ ̄ÙÓ‡π±∞x ̈®Ë ̄ÂÙÒ†Ìχ†‡„Ò† ̈„ÂÓÈφ ̇ ̇Ά‰Ï‰Ó©††ÌÈ ̆ȆÌÈ·Ó†≥††ÏÏÂΆҢ‰È·Æ„ÂÓÈφ ̇ ̇ÈΆÏÏÂΉ† ̆„Á†Û‚‡†ÔÎÂÆ®T.T©†‰‚‰† ̇ ̃ ̄‡‰† ̇ËÈ ̆·†ÏÂÓ ̆ÈÁ†ÈÙ·†ÌÈ‚ÂÓ††ÌÈ·Ó‰† ̇Ú· ̄‡ ̈‰ ̃ ̄‡‰† ̇„ ̄Ë ̃χΆÌÈÓ‰† ̇ ̄ˆ†† ̇ ̆Ó ̆Ó†ÌÈ ̆ȉ†ÌÈ·Ó‰† ̇ ̆ÂÏ ̆·Æ„ÂÒȆ ̇ ̃ ̄‡‰†‰ ̃ ̇‰† ̆„Á‰†‰·Ó·†ÂÏȇÂ∫≥† ̄Âȇ·† ̇ ̄‡Â ̇Ó†ÌÈÈ ̃‰†·ˆÓ·†Ò¢‰È·†Ï ̆†‰ ̃ ̄‡‰‰† ̇Î ̄ÚÓÆ̉‡†∞Æ≥±†‰È‰†„„Ó ̆†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Í ̄ÚÈ ̇φ̇ ̇‰·†· ̆ÂÁÓ‰†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆† ̄ ̇ÂÓ‰†È· ̄ÈÓ‰†Í ̄Ú‰∫‡Â‰†È ̆‡ ̄‰†ÈËÓ¡‰† ̃ÒÙÓ‰Í ̄Ú†ÔÎ ̆† ̈‰Èȇ ̄†‰ȇ† ̄ÙÒ‰† ̇È·†Ï ̆† ̈ÏÂÓ ̆ÈÁ†ÈÙ·†‰‚‰‰†‰Ê†·ˆÓ·†ÔÎÏÆ ̄ ̇ÂÓ‰†È· ̄ÈÓ‰†Í ̄Ú‰Ó†‰Â·‚†„„Ó‰†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ∫ÌÈ·Ï ̆†‰ ̆ÂÏ ̆†ÏÏÂΆ‰Ê†‰ ̄ ̃Ó·†Ô ̄ ̇Ù‰∫߇†·Ï ̆ ̇‡Â ̆‰†ÒÙ؉ ̃ ̄‡‰‰†ÈÒÙ†ÔÈ·†ÌÈ ̄·ÁÓ‰†‰ ̃ ̄‡‰‰†ÈÎÈÏÂÓ† ̇‡† ̃ ̇φ ̆ÈÆÌÈ ̆‰†ÌÈ·Ó·†ÌÈÈχȈËÂÙ‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†Ï ̆†‰„È„Ó†‰ÚˆÂ·† ̄ÂӇΆÌÈ ̄·ÈÁ‰† ̃ ̇È† ̄Á‡ÏƉ·Ó†Ïη∫Âȉ†Â„„Ó ̆†‰Ï ̃ ̇‰† ̇‡ÏÂφ ̇·ÎÚ†ÈÎ ̄Ú̉‡†∞Æμ∏†∫B†‰·Ó̉‡†∞Æ¥∑†∫C†‰·Ó̉‡†∞Æ¥μ†∫D†‰·Ó(10XId)R L.T=230Imag(min)RL.T=U2500230==0.092̉‡Imag(min)RL.T=U1000230==0.23̉‡הפתרוןהמוצעלקבלתהגנהנאותהבפניחישמולבחנותאיור2:‰ÂÓÏ ̆†È ̆‡ ̄†ÁË·ÓÏÓ ̆Á‰† ̇ ̄·ÁÈ ̇Î ̇Ó†ÏÓ ̆Á†ÁÂÏ3x100A3x32A 3x20A 3x16A 3x16A 16AÈ ̆‡ ̄†ÁË·ÓÔÎ ̄ˆ‰†Ï ̆3x80A„„·ӆ ̄ÓÂÁÓ†ÏÓ ̆Á†ÁÂχ„Ò„ÂÓÈφ ̇ ̇ÈΆ‰Ï‰ÓË ̄ÂÙÒ†Ìχ®„ÂÓÈφ ̇ ̇ÈΩ† ̆„Á†Û‚‡CABD ̇ ̃ ̄‡‰†ÒÙ ̇ ̃ ̄‡‰†ÒÙ ̇ ̃ ̄‡‰†ÒÙ ̇ ̃ ̄‡‰†ÒÙÌÈÓ† ̇ ̄ˆÌÈÓ† ̇ ̄ˆÏ ̆† ̄ ̆È‚‰† ̇Ú·ËÓ„ÂÒȉ† ̇ ̃ ̄‡‰ÌÈÓ† ̇ ̄ˆמערכתההארקהשלביה"סבמתכונתהישנהאיור3:Imag(min)RL.T=U(1.5 X 910)230==0.168̉‡Imag†Ω≤†xIn†Ω≤†X†μ∞∞†Ω†±∞∞∞†A†††††††††††††††††10A ̇‡†ÏÈÚىφÔȇ†‰‰Â·‚†‰ ̃ ̄‡‰‰† ̇„‚ ̇‰†° ̇ ̄ȉʢ¢ ̇ÁÙ† ̄ÒÓÓ†‡ÏÏ†Ô ̃ ̇Ó‰500A(250-500)A(2500- 5000)A