3 - Power Delivery System

3 - Power Delivery System - ELEC 300V: FUNDAMENTALS OF...

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ELEC 300V: FUNDAMENTALS OF ELECTRO-ROBOTIC Power Delivery System Mansun Chan Department of ECE, HKUST
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ELEC 300V Power Sources ansun M Power Plant Power Generator Batteries Energy harvesting Solar Cell Fuel Cell AC AC DC DC
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ELEC 300V Ideal and Non-ideal Battery ansun M + - I V R= 0 Ideal Real + - R S I V Slope=-R S V OC I SC V OC : open circuit voltage I SC : short circuit current small R S large R S
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ELEC 300V Battery Characteristics ansun M Battery voltage is not constant Usually a regulator is needed in all batteries operated circuits + - R S regulator V in , I out V Regulated output
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ELEC 300V Power Efficiency ansun M + - R S R L Power consumed by R L = P L = Current through the circuit = L S S R R V + 2 + L S S L R R V R Power consumed by R S = P S = 2 + L S S S R R V R R L P Power consumed by R L S S R V 2 2 R S R L Efficiency Efficiency = P L /( P L + P S ) 1
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ELEC 300V Power Efficiency - Interpretation
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This note was uploaded on 01/28/2011 for the course ELEC 300V taught by Professor C.ytsuiandmansunchan during the Fall '08 term at HKUST.

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3 - Power Delivery System - ELEC 300V: FUNDAMENTALS OF...

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