Abstract
In distributed grid-connected power system, the control strategy of grid-inverter influences the quality of its output power. An improved method based on α-β transformation of deadbeat control algorithm is proposed for a three-level photovoltaic grid-connected inverter. This new control method overcomes the shortcoming of complicated dynamic phase angle compensation and is easily to combine with SVPWM strategy to realize a fast control of inverter grid-connected power. The paper firstly established the control model of a three-level inverter grid-connected system and subsequently proposed the computation method of forecasted link of voltage and current. A MATLAB simulation model is built up. Simulation and experiment results indicate that this new control algorithm simplifies the control and a good static and dynamic performance is achieved.
| Original language | English |
|---|---|
| Pages (from-to) | 397-402 |
| Number of pages | 6 |
| Journal | Procedia Engineering |
| Volume | 23 |
| DOIs | |
| State | Published - 2011 |
| Externally published | Yes |
| Event | 2011 International Conference on Power Electronics and Engineering Application, PEEA 2011 - Shenzhen, China Duration: 24 Dec 2011 → 25 Dec 2011 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Deadbeat control
- Grid-connected control
- Three-level inverter
- αβtransform
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