为提高大型风电场并网可靠性,该文基于严密的数学统计方法,提出了一种以控制风电场出线功率控制偏差(wind power control error,WPCE)为考核目标的风电场控制性能评价标准(wind control performance standard,WCPS)。该标准以随机变量...为提高大型风电场并网可靠性,该文基于严密的数学统计方法,提出了一种以控制风电场出线功率控制偏差(wind power control error,WPCE)为考核目标的风电场控制性能评价标准(wind control performance standard,WCPS)。该标准以随机变量统计特性为依据制定,着眼于长期的控制性能,更能如实描述和反映风电出力随机性和不确定性的特点和要求,达到更好的控制目的。基于WCPS标准,提出了风电场配置的储能系统的充放电控制策略,以平抑风电出力波动性,提高风电的消纳能力。最后,以某风电场日负荷数据为例验证该控制标准和控制策略的可行性和有效性。仿真结果表明,所提控制策略大幅减小了风电预测误差,有效地减少储能系统的充放电调节次数,缓解备用机组的负担,降低电网调节成本,提高电网对风电的吸纳能力,对电力市场模式下的风电场接入系统具有指导意义。展开更多
Appropriate wind power integration standards are of great importance to standardize wind power integration and guarantee the safety and stability of the power system. This article describes the wind power integration ...Appropriate wind power integration standards are of great importance to standardize wind power integration and guarantee the safety and stability of the power system. This article describes the wind power integration standards of China explicitly and explains several important points of the newly revised wind power integration standards of China in comparison with standards of Germany, Denmark, etc. The newly revised standards can meet the technical demand of China＇s large-scale centralized development of wind power, and guarantee the safety, stability and economy of the grid and wind farm.展开更多
文摘为提高大型风电场并网可靠性,该文基于严密的数学统计方法,提出了一种以控制风电场出线功率控制偏差(wind power control error,WPCE)为考核目标的风电场控制性能评价标准(wind control performance standard,WCPS)。该标准以随机变量统计特性为依据制定,着眼于长期的控制性能,更能如实描述和反映风电出力随机性和不确定性的特点和要求,达到更好的控制目的。基于WCPS标准,提出了风电场配置的储能系统的充放电控制策略,以平抑风电出力波动性,提高风电的消纳能力。最后,以某风电场日负荷数据为例验证该控制标准和控制策略的可行性和有效性。仿真结果表明,所提控制策略大幅减小了风电预测误差,有效地减少储能系统的充放电调节次数,缓解备用机组的负担,降低电网调节成本,提高电网对风电的吸纳能力,对电力市场模式下的风电场接入系统具有指导意义。
文摘Appropriate wind power integration standards are of great importance to standardize wind power integration and guarantee the safety and stability of the power system. This article describes the wind power integration standards of China explicitly and explains several important points of the newly revised wind power integration standards of China in comparison with standards of Germany, Denmark, etc. The newly revised standards can meet the technical demand of China＇s large-scale centralized development of wind power, and guarantee the safety, stability and economy of the grid and wind farm.
