Patent ID: 6822883
Filing Date: 2004-11-23
Classification: H02M

Abstract:
A converter circuit arrangement for matching a variable DC voltage to a drive circuit for producing drive signals and having a three-point DC voltage intermediate circuit which is formed by a first capacitor and a second capacitor connected in series with it, with one connection of the first capacitor forming an upper connection of the three-point DC voltage intermediate circuit, and the first capacitor forming a center point connection at the junction point with the second capacitor and the second capacitor forming a lower connection of the three-point DC voltage intermediate circuit, wherein a first partial converter system and a second partial converter system are provided, with the input side of the first partial converter system being connected to a first pole of a DC voltage source which produces the DC voltage, and the input side of the second partial converter system being connected to a second pole of the DC voltage source, wherein a first output of the first partial converter system is connected to the upper connection, and a first output of the second partial converter system is connected to the lower connection, and wherein a second output of the first partial converter system is connected in series with a second output of the second partial converter system via the center point connection.