ELECTRONIC BALLAST FOR A LAMP

The present invention relates to an electronic ballast for a lamp having a DC voltage connection (14), at which a DC voltage can be made available; a switching unit (10) which has a supply voltage connection (12), the DC voltage connection (14) being coupled to the supply voltage connection (12) of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LECHNER, ALFONS, SIEGMUND, THOMAS, HECKMANN, MARKUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The present invention relates to an electronic ballast for a lamp having a DC voltage connection (14), at which a DC voltage can be made available; a switching unit (10) which has a supply voltage connection (12), the DC voltage connection (14) being coupled to the supply voltage connection (12) of the switching unit (10), and a first capacitor (C1) being coupled between the supply voltage connection (12) and a reference potential; an AC voltage connection (16), at which a voltage can be made available which has at least one AC component, the series circuit comprising a first nonreactive resistor (R1) and a first diode (D1) as well as a second nonreactive resistor (R2) being coupled between the AC voltage connection (16) and the supply voltage connection (12), a connection point being defined between the first diode (D1) and the second nonreactive resistor (R2), and a second capacitor (C2) being coupled between said connection point and the reference potential, and the first capacitor (C1) and the second nonreactive resistor (R2) being dimensioned such that the average voltage drop across the second nonreactive resistor (R2) is greater than or equal to the average voltage drop across the first capacitor (C1).