Filter Unit and Frequency Inverter

A filter unit is intended to be connected between an inverter and an electric motor. The filter unit includes: a number of phase connections for connecting to corresponding phase connections of the inverter; a first DC link connection for connecting to a first DC link connection on the inverter and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SCHEKULIN, Dirk
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A filter unit is intended to be connected between an inverter and an electric motor. The filter unit includes: a number of phase connections for connecting to corresponding phase connections of the inverter; a first DC link connection for connecting to a first DC link connection on the inverter and a second DC link connection for connecting to a second DC link connection on the inverter; a number of motor connections for connecting to corresponding connections on the electric motor; a number of filter elements for reducing a rate of voltage rise at the motor connections of the filter unit, filter element is connected between corresponding phase connections of the filter unit and corresponding motor connections of the filter unit; and a coupling unit, which couples the filter elements capacitively with the first DC link connection and the second DC link connection of the filter unit.