Patent-treuhand-gesellschaft Fur Elektrisch Gluhlampen Mbh

Elisa Garavini

Josef Osterried

An electronic ballast for a lamp () having an input circuit () having a connection to a voltage supply, an output circuit () having a connection for the lamp (), and a voltage converter apparatus (), which is arranged between the input and the output circuit (), the voltage converter apparatus including an input capacitor (C) and an output capacitor (C), between which a switching apparatus (T) and a freewheeling diode (D) as well as at least one damping element (L), at least one trapezoidal capacitor (C) and an inductance (L) are arranged, the voltage converter apparatus () being designed to carry out commutation, in each case a main circuit being defined by the current flow prior to and following commutation, at least one damping element (L) and at least one trapezoidal capacitor (L) being connected in series, and such a series circuit being arranged in a secondary circuit.

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Munich, Germany

Elisa Garavini