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Conditional Pulse Density Modulation for Inductive Power Transfer Systems
- Source :
- IEEE Transactions on Power Electronics; January 2024, Vol. 39 Issue: 1 p88-93, 6p
- Publication Year :
- 2024
-
Abstract
- This letter proposes a conditional pulse density modulation (PDM) method for inductive power transfer (IPT) systems, which can automatically adapt the generated output patterns to effectively suppress current/power ripples. The proposed conditional PDM introduces a sending current limitation as an additional condition to skip pulses, which modifies the output patterns generated by conventional delta-sigma-based PDM. Thus, the PDM pulse pattern is continuously adapted to attenuate any excited current/power oscillations. The presented modulator is simple to implement and well-suited for IPT systems with poorly damped constant voltage load characteristics. Simulations and experiments demonstrate the effectiveness of the proposed modulation method.
Details
- Language :
- English
- ISSN :
- 08858993
- Volume :
- 39
- Issue :
- 1
- Database :
- Supplemental Index
- Journal :
- IEEE Transactions on Power Electronics
- Publication Type :
- Periodical
- Accession number :
- ejs64806632
- Full Text :
- https://doi.org/10.1109/TPEL.2023.3324888