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D7EST Folha de dados(PDF) 27 Page - OSRAM GmbH

Nome de Peças D7EST
Descrição Electrónicos  OSRAM DULUX® EL electronic energy saving lamps
PDF  54 Pages
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Fabricante Electrônico  OSRAM [OSRAM GmbH]
Página de início  http://www.osram.com
Logo OSRAM - OSRAM GmbH

D7EST Folha de dados(HTML) 27 Page - OSRAM GmbH

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2. Function and technical design
26
OSRAM DULUX® EL – electronic energy saving lamps
Economical alternatives to ordinary light bulbs
Technical Guide
2.2.2 Energy savings
thanks to electronic
control gear
Compared with fluorescent lamps with conventional control gear, there are further
energy savings of around 20 % with electronic control gear.
This is due essentially to two effects:
• The losses with electronic control gear are only about one third of the losses with
conventional control gear.
• The luminous efficacy of a fluorescent lamp shows a significant improvement of
around 20 % at high frequencies, with saturation setting it at around 50 kHz.
Fig. 4: Luminous efficacy of a fluorescent lamp as a function of the operating frequency
10
10
2
10
3
10
4
10
5
Hz
100
105
110
%
Frequenz f
Frequency



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