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  4. Device for Simulating the Symmetrical and Asymmetrical Impedance of an Asynchronous Motor
 
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Patent
Title

Device for Simulating the Symmetrical and Asymmetrical Impedance of an Asynchronous Motor

Abstract
The present invention relates to a device for simultaneous simulation of a symmetrical and an asymmetrical impedance of an asynchronous machine. The device has three subcircuits for simulating the three phases of the asynchronous machine. Each subcircuit preferably comprises a series connection of a main inductance, a leakage inductance and a resistor between the input terminal and the output terminal, which are connected in parallel to ground across a capacitor and a resistor in each case. A magnetic coupling is implemented or the effect of a magnetic coupling is simulated for the main inductances of the subcircuits. This device can be used to advantage instead of the asynchronous machine in calibration of EMC filters.
Inventor(s)
Schinkel, M.
Guttowski, F.
Weber, S.-P.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=WO&NR=2007DE00424A
Patent Number
102006010737
Publication Date
2007
Language
German
Fraunhofer-Institut für Zuverlässigkeit und Mikrointegration IZM  
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