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Active damping of LCL filter without capacitor voltage sensors for three phase PWM inverter
- Authors
- An, B.-W.; Kim, H.-W.; Cho, K.-Y.; Han, B.-M.; Chung, G.-B.
- Issue Date
- 2013
- Keywords
- Active damping; LCL filter; MRAS(Model Reference Adaptive System) Observer; SVPWM Inverter
- Citation
- IECON Proceedings (Industrial Electronics Conference), pp.7129 - 7133
- Journal Title
- IECON Proceedings (Industrial Electronics Conference)
- Start Page
- 7129
- End Page
- 7133
- ISSN
- 0000-0000
- Abstract
- In this paper, new sensorless active damping method of the grid-connected LCL filter for a three-phase PWM inverter is proposed. The resonance component of capacitor voltage of LCL filter is observed by a simple MRAS (Model Reference Adaptive System) observer without additional sensors or circuits. The active damping is implemented by feed-forward compensation of the observed capacitor voltage for current controller. The validity of the proposed method is verified by the simulation and experiment. © 2013 IEEE.
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Related Researcher
- Chung, Gyo Bum
- Science & Technology (Department of Electronic & Electrical Convergence Engineering)