结合STATCOM的多场景下主动配电网无功优化研究

Research on Reactive Power Optimization for Scenarios Active Power Distribution Network with STATCOM

将电容器组和STATCOM结合,对含风电机组的主动配电网进行无功优化方案研究。采用STATCOM在风电机组的接入点进行补偿,在其他脆弱的节点上采用电容器组补偿,很好的解决了优化效率和优化成本的权衡问题。将异步风机接入33节点配电网,并将其有功出力细分为六种场景,利用改进粒子群算法对每个场景下的配电网进行了无功优化,得到了不同场景下的多种非劣解方案,在场景概率的基础上对优化方案进行选择。通过算例分析证明了两种补偿方式相结合在风力发电机出力随机波动下,能够提高主动配电网运行的安全性和经济性。

The capacitor group combined with STATCOM to compensate,using the STATCOM to compensate in the wind power generator access point,using the capacitor group to compensate in other more vulnerable nodes.It is a good solution to optimize the efficiency and cost of trade-offs.The wind turbine is subdivided into six scenes,using the swarm optimation algorithm with particle selection and memory on reactive power optimization on 33 points distribution system to get the noninferior solution in each scenes.Based on the probability of a scene optimization program and make choice,solved the reactive power optimization in distribution system with wind power generators very well.The numerical analysis shows that this kind of compensation method solves the problem of randomness of wind power output,and make the distribution has good security and economy.