Solid state ballast for a 40W circular fluorescent lamp

Solid state ballast for a 40W circular fluorescent lamp

A fluorescent lamp ballast with a switching circuit for 40W lamp wattage and 100V line voltage is described. The ballast is composed of a series choke and a perallel switching circuit which operates in every half cycle of a.c. voltage. Silicon controlled rectifiers, that cut off the current in a low...

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Veröffentlicht in:Journal of Light & Visual Environment 1981, Vol.5(2), pp.2_19-2_24
Hauptverfasser: IYAMA, Hiroyuki, WATANABE, Yoshio, AKATSUKA, Mitsuo, KOMATSU, Haruki
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container_issue 2
container_start_page 2_19
container_title Journal of Light & Visual Environment
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creator IYAMA, Hiroyuki
WATANABE, Yoshio
AKATSUKA, Mitsuo
KOMATSU, Haruki
description A fluorescent lamp ballast with a switching circuit for 40W lamp wattage and 100V line voltage is described. The ballast is composed of a series choke and a perallel switching circuit which operates in every half cycle of a.c. voltage. Silicon controlled rectifiers, that cut off the current in a low level by the reverse gate cnrrent, are used in the switching circuit. The ballast consumes 15% less energy and is 50% lighter than conventional ballast.
doi_str_mv 10.2150/jlve.5.2_19
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title Solid state ballast for a 40W circular fluorescent lamp
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