摘要
为保证光伏异步联网电网的控制效果,提出主动频率响应优化下的光伏异步联网电网自动发电控制优化方法。构建了以控制功率值误差最小化和电网净利润最大化为核心的光伏异步联网电网自动发电控制优化目标函数,设定了相应的约束条件。采用改进的量子遗传算法求解满足约束条件的目标函数,获得了自动发电控制的优化方案。试验结果显示,所提方法在实现光伏异步联网电网控制时,控制性能指标明显优于其他方法。在不同负荷段和频率扰动类型下的测试结果表明,通过所提方法实现控制优化,光伏异步联网电网的一次调频出力响应合格率、调频积分电量合格率和一次调频合格率指标均能够高于97%,可有效提升光伏异步联网电网控制的效果,保证电网频率的稳定,提高电网系统的经济性和可靠性,实现光伏异步联网电网最优控制。
To ensure the control effect of photovoltaic asynchronous interconnected power grid,an automatic generation control optimization method for photovoltaic asynchronous interconnected power grid under active frequency response optimization was proposed.An optimization objective function was constructed for automatic power generation control in photovoltaic asynchronous interconnected power grids,with the core of minimizing power value error and maximizing net profit of the grid,and the corresponding constraints were set.An improved quantum genetic algorithm was used to solve the objective function so as to satisfy the constraint conditions,and an optimized solution for automatic power generation control was obtained.The experimental results show that the proposed method achieves the control performance index when implementing photovoltaic asynchronous networked grid control is significantly better than that of other methods.The test results under different load ranges and frequency disturbance types show that the control optimization rate achieved by the proposed method can all exceed 97%in the primary frequency regulation output response qualification rate,frequency regulation integrated electricity qualification rate,and primary frequency regulation qualification rate of the photovoltaic asynchronous interconnected power grid.The feature can effectively improve the control effect of the photovoltaic asynchronous interconnected power grid,ensure the stability of the power grid frequency,improve the economy and reliability of the power grid system,and achieve optimal control of the photovoltaic asynchronous interconnected power grid.
作者
李琦
Li Qi(CGN New Energy Anhui Co.,Ltd.,Hefei Anhui 230027,China)
出处
《电气自动化》
2025年第3期27-29,32,共4页
Electrical Automation
关键词
主动频率响应
光伏异步联网电网
自动发电控制
量子遗传算法
电网频率稳定性
active frequency response
photovoltaic asynchronous interconnected power grid
automatic generation control
quantum genetic algorithm
power grid frequency stability
