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10 Prof Ernst Uken.pdf - CPUT Active Web - Cape Peninsula ...

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ENGINEERING DEFINITIONSFor Energy Systems (generation/conversion):Efficiency ή = Output(kW) ÷ Input(kW) in %For Lighting :Effectiveness/Efficacy = Lux ÷ Watt“A system becomes more energy efficient, if ituses less energy to maintain the same servicelevel” l” ‐ Wikipedia

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