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Generation of High Frequency Common Mode Currents in Machines of Inverter-Based Drive Systems
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| Author(s) |
MUETZE Annette; BINDER Andreas |
| Abstract |
The additional HF (High Frequency) common mode current of inverter-based drive systems can cause pa-rasitic effects such as HF bearing currents and wide band EMI (Electro-Magnetic Interference). This pa-per presents a straightforward approach to prediction of the HF common mode current based on the dvLg/dt at the motor terminals. Only design parameters of the machine are used. No additional measurements are required. The HF common mode current generation is described by a distributed-parameter network. This model allows anticipation of the HF common mode current in order to better predict possible parasitic effects. For a given frame size, the number of parallel winding branches has a strong influence on the amplitude of the HF common mode current. |
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| Filename: | 0492 |
| Filesize: | 217.1 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-02-05 by System |
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