Siegfried Schonwald
Siemens
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Publication
Featured researches published by Siegfried Schonwald.
Journal of Heat Recovery Systems | 1986
Wilhelm Leitgeb; Siegfried Schonwald
A compressor arrangement for a heat pump installation in which an electric motor is provided as the drive means for the compressor is disclosed. In order to make possible operation of the compressor without unpermissibly large surge currents in the electric network supplying power to the electric motor, the compressor is driven by a permanent magnet-excited d-c motor which is provided with an electronic commutating device. The starting current drawn by the d-c motor can be controlled by means of a d-c voltage control element coupled to the electric network by a rectifier so as to prevent unpermissibly large starting surge currents.
Archive | 1979
Siegfried Schonwald; Eberhard Breyer
Archive | 1979
Siegfried Schonwald; Eberhard Breyer
Archive | 1964
Gert Hecht; Siegfried Schonwald
Archive | 1985
Siegfried Schonwald; Norbert Schmid; Hans-Georg Trojahn
Archive | 1982
Benedikt Bentele; Norbert Schmid; Siegfried Schonwald
Archive | 1979
Siegfried Schonwald
Archive | 1978
Siegfried Schonwald; Roland Werling; Rudolf Schoning
Archive | 1986
Norbert Schmid; Siegfried Schonwald
Archive | 1988
Siegfried Schonwald
