E3S Web Conf.
Volume 136, 20192019 International Conference on Building Energy Conservation, Thermal Safety and Environmental Pollution Control (ICBTE 2019)
|Number of page(s)||6|
|Section||Integrated Application of Renewable Energy in Buildings|
|Published online||10 December 2019|
Model predictive control of VSC-HVDC transmission system for power supply to passive networks
1 State grid Shanghai electric power company economic and technological research institute, Xuhui District, Shanghai, 200233, China
2 China Electric Power Research Institute, Haidian District, Beijing, 100192, China
3 North China Electric Power University, Baoding, Hebei Province, 071003, China
* Corresponding author’s e-mail: firstname.lastname@example.org
In the traditional double closed-loop control strategy for VSC-HVDC transmission system that supply power to passive networks, the control structure is complex, the PI parameters are more difficult, the tuning is slow, and the response speed is slow. Rectifier-side direct power control based on model prediction and direct AC voltage control strategy on inverter side are proposed. Based on the discrete mathematical model of the converter, the system output under all switching function combinations is calculated by the ergodic method, and the switching function that minimizes the objective function is selected to act on the inverter. The utility model has the advantages of simple structure, no complicated PI parameter setting, fast dynamic response, high voltage quality electric energy to the passive network, good steady state performance and dynamic performance. The simulation results verify the feasibility and effectiveness of the proposed control strategy.
© The Authors, published by EDP Sciences, 2019
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