| 引用本文: | 李文锋,张健,卜广全,王晖,赵兵.抽蓄电站和经多端柔性直流电网接入的大规模新能源间的协调互补优化控制方案[J].电力系统保护与控制,2017,45(23):130-135.[点击复制] |
| LI Wenfeng,ZHANG Jian,BU Guangquan,WANG Hui,ZHAO Bing.A coordinate complementary optimization control scheme between pumped storage station and large-scale new renewable integrated through VSC-MTDC[J].Power System Protection and Control,2017,45(23):130-135[点击复制] |
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| 摘要: |
| 目前多端柔性直流电网多用于海上风电，但多端柔直本质上并不能抑制新能源出力波动。介绍了一种抽蓄电站和经多端柔性直流电网接入的大规模新能源间的协调互补优化控制方案。在网省调度中心设置控制主站，抽蓄电站内设置执行子站。主站担任主要数据分析、抽蓄电站有功调整指令发布等功能，并具备不同的控制模式。子站担任接收主站发布抽蓄电站有功调整指令，根据抽蓄电站内的实时运行工况，对每台机组的调速器发出实际执行指令。该系统主要用于解决跨区新能源消纳和风电光伏接入系统后对系统稳定性的影响，同时系统还具备应急功率波动控制功能，在华北电网出现大量功率缺额时提供紧急频率支援。仿真结果表明，协调互补优化控制方案能够有效地抑制新能源出力波动，降低新能源波动对华北电网的冲击，实现新能源的友好送出。 |
| 关键词: 多端柔直 互补优化 新能源波动 主站 子站 |
| DOI：10.7667/PSPC171268 |
| 投稿时间：2017-08-22修订日期：2017-10-06 |
| 基金项目:国家重点研发计划项目(2016YFB0900605);国家电网公司科技项目(XT71-16-035) |
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| A coordinate complementary optimization control scheme between pumped storage station and large-scale new renewable integrated through VSC-MTDC |
| LI Wenfeng,ZHANG Jian,BU Guangquan,WANG Hui,ZHAO Bing |
| (China Electric Power Research Institute, Beijing 100192, China) |
| Abstract: |
| Multi-terminal high voltage DC transmission with voltage source converter (VSC-MTDC) is mainly used in off-shore wind farms at present, but VSC-HVDC cannot essentially suppress renewable energy power fluctuation. A coordinate complementary optimization control scheme between pumped storage station and large-scale new renewable integrated through VSC-MTDC is proposed. Master station is set up in grid level dispatch center and execution slave station is built in the pumped storage station. Master station is mainly assigned for data analysis, pumped storage station active power instruction release and other functions, meanwhile it has different control modes. Slave station is assigned for receiving pumped storage station active power instruction from master station and issuing actual execution instruction to each unit’s governor in consideration of actual situation in pumped storage station. This system is mainly for solving trans-provincial renewable energy accommodation problem and influence on system stability due to wind and solar integrated in grid. Meanwhile, this system is equipped with emergency power fluctuation control, which can provide emergency frequency support when North China Power Grid appears a lot of power shortages. Simulation results show that wide area governor control can effectively suppress renewable energy power fluctuation, reduce impulse impact on North China Power Grid because of renewable energy power fluctuation and send out renewable energy with friendly power supply. This work is supported by National Key R & D Program of China (No. 2016YFB0900605) and Science and Technology Project of State Grid Corporation of China (No. XT71-16-035). |
| Key words: VSC-HVDC complementary optimization renewable energy fluctuation master station slave station |
