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| Content Provider | IET Digital Library |
|---|---|
| Author | Yuan, Jianhua Chen, Yu Chen, Nan Zhang, Yunlong Lin, Yuliang |
| Abstract | Based on the model predictive control (MPC) of photovoltaic (PV) grid-connected inverter, combined with improved maximum power point tracking control, the low-voltage ride through (LVRT) control of PV system is realised. Aiming at the contradiction between the voltage drop of the inverter and the reactive power output of the inverter to support the grid voltage, the LVRT control strategy based on the MPC is proposed. When the voltage drop occurs on the grid side, the PV array operating point can be adjusted according to the improved maximum power point tracking, so as to reduce the active power injected into the inverter and prevent it from overcurrent. At the same time, the grid-connected inverter uses the MPC to change the reactive current reference value to improve the reactive power of the inverter output. Through the modelling and simulation verification, the control strategy in the voltage drop failure to ensure that the inverter is not over the flow on the basis of the inverter can adjust the reactive power output, optimise reactive power support problems caused by the voltage drop. |
| Starting Page | 2114 |
| Ending Page | 2118 |
| Page Count | 5 |
| Volume Number | 2017 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2017/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2017.0703 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2017-01-01 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Active Power Control of Electric Power System Grid Voltage Improved Maximum Power Point Tracking Control Inverter Output Invertors Low-voltage Ride Through Control LVRT Control Strategy Maximum Power Point Trackers Model Predictive Control MPC Optimal Control Photovoltaic Grid Photovoltaic Power System Power And Energy Control Power Generation Control Power Generation Fault Power Grid Power System Control Predictive Control PV Array Operating Point PV System Reactive Power Control Reactive Power Output Reactive Power Support Problem Simulation Verification Solar Cell Array Solar Power Stations Voltage Drop Failure |
| Content Type | Text |
| Resource Type | Article |
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