A CLF-based nonlinear control technique for a grid-connected voltage source inverter with LCL filter used in renewable energy power conditioning systems
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Bibliographic record
Abstract
A novel control scheme based on the Control Lyapunov Function (CLF) is proposed in this paper for a grid-connected voltage source inverter with an LCL filter. The proposed control approach is able to significantly increase the bandwidth of the closed-loop control system and offer a very fast transient response compared to the conventional Proportional Resonant (PR) controllers. The proposed CLF-based controller guarantees the closed-loop stability and perfect disturbance rejection for the voltage source inverter with LCL-filter. The specific Lyapunov function proposed in this paper includes the integral of the errors in order to account for parameter uncertainties in the system model. The CLF-based controller is implemented on a 1kW voltage source inverter prototype to verify the performance of the proposed control scheme. The experimental results show a significant improvement in the performance of the converter with the proposed control scheme compared to the conventional PR controller.
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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