Quick-Switch Adaptive Droop Control of MMC-MTDC for Large-Scale Renewable Energy Integration

被引：0
|
作者：
Liu, Kaiqi [1 ]
Dong, Haiying [1 ,2 ]
机构：
[1] Lanzhou Jiaotong Univ, Sch Automat & Elect Engn, Lanzhou 730070, Gansu, Peoples R China
[2] Lanzhou Jiaotong Univ, Sch New Energy & Power Engn, Lanzhou 730070, Gansu, Peoples R China
来源：
PROCEEDINGS OF THE 2019 31ST CHINESE CONTROL AND DECISION CONFERENCE (CCDC 2019) | 2019年
关键词：
Renewable Energy; MTDC; Quick Switch; Adaptive Droop Control;
D O I：
10.1109/ccdc.2019.8832830
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
According to the high curtailment rate of wind and solar power in northwest of China and the low efficiency of power delivery line, a quick-switch adaptive droop control strategy was proposed for large-scale renewable energy integration by MMC-MTDC (Modular Multi-level Converter based Multi-terminal HVDC). By means of constructing a unified control mode of MMC, the control mode of MMC can be switched quickly and seamlessly. Then, improved adaptive droop control was proposed by using the factor of power margin to optimize the performance of DC system in different conditions. Finally, the simulation of five terminal MTDC with wind and solar power was processed with PSCAD/EMTDC. The simulation results showed that the proposed control strategy is suitable for the condition that power flow changes frequently and is conducive to integration and consumption of renewable energy.
引用
收藏
页码：1576 / 1581
页数：6
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