电网技术2017，Vol.41Issue(5)：1412-1418,7.DOI:10.13335/j.1000-3673.pst.2017.0188
海上风电场经交流电缆送出系统的无功配置与协调控制策略
Reactive Power Configuration and Coordinated Control of Offshore Wind Farms Connected to Power Grid with AC Cables
摘要
Abstract
Offshore wind power has a wide developing space in future.At present,most of offshore wind farms are connected to power grid with AC cables.Because of large reactive power generated by the cable,there exist problems such as too much reactive power injection to system and overvoltage at related buses.In this paper,reactive power limit of offshore wind turbines was analyzed firstly.Numerical relationship between reactive power and voltage of offshore wind farm integrated power grid was calculated.In order to reduce construction costs of offshore wind farm and make full use of reactive power and voltage control capability of wind turbines,a configuration scheme of comprehensive utilization of wind turbine reactive power output capacity and HV shunt reactor at grid side was designed.Then a coordinated reactive power control strategy of offshore wind farm was proposed.Dynamic simulation was conducted based on a designed offshore wind farm integrated power grid with a real power grid structure and parameters in Jiangsu province,China.Simulation results under operation conditions of full,half and zero output based on real wind speed data show that the proposed configuration scheme and control strategy of reactive power are feasible and correct.关键词
海上风电/交流电缆/无功配置/协调控制Key words
offshore wind farm/AC cable/reactive power configuration/coordinated control分类
信息技术与安全科学引用本文复制引用
赵大伟,马进,钱敏慧,朱凌志,韩华玲,刘艳章..海上风电场经交流电缆送出系统的无功配置与协调控制策略[J].电网技术,2017,41(5):1412-1418,7.基金项目
国家重点研发计划项目(2016YFB0900105) （2016YFB0900105）
国家自然科学基金项目(51607160) （51607160）
国家电网公司科技项目(适应交直流混联受端电网的大规模海上风电接入方式优化及运行控制技术研究).Project Supported by the National Key Research and Development Program of China (2016YFB0900105) （适应交直流混联受端电网的大规模海上风电接入方式优化及运行控制技术研究）
National Natural Science Foundation of China (51607160) （51607160）
Research Program of State Grid Corporation of China (Investigation on Large-Scale Offshore Wind Farms Grid Integration Modes Optimization and Operation Control Technologies Adapted to Hybrid AC-DC Receiving-End Power Grid). （Investigation on Large-Scale Offshore Wind Farms Grid Integration Modes Optimization and Operation Control Technologies Adapted to Hybrid AC-DC Receiving-End Power Grid）
