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Lifting Wavelet Transform and Energy Operator Synchronization for a Flying Capacitor Multi-Level Based Active Power Filter
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| Author(s) |
Chigozie NWOBU, Li ZHANG |
| Abstract |
An online harmonic estimation technique is proposed based on lifting wavelet transforms. The effectiveness of this technique is successfully verified in the paper through analyzing the current samples supplied to a practical building network which are unbalanced and corrupted with noise. Combining with a novel synchronization technique based on the energy operator principle, this scheme is applied to control a flying capacitor multilevel inverter based active power filter shunt connected to a power network. Simulation study has shown that the performance of this filtering technique is superior than the conventional synchronous reference frame based harmonic elimination method. |
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| Filename: | 0252-epe2013-full-15503513.pdf |
| Filesize: | 462.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2014-02-09 by System |
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