考虑TCPS考核约束的AGC机组动态优化模型

Dynamic Optimization Model of AGC Units Considering TCPS Assessment Constraints

近年来电网开始采用控制性能标准变式(transformational control performance standard,TCPS)考核各区域的自动发电控制(automatic generation control,AGC)水平,然而现有研究仅考虑了控制性能标准(control performance standard,CPS)的考核。鉴于此,提出了一种考虑TCPS的AGC机组动态优化模型,该模型以二次调频综合调整费用最小为目标,以系统功率平衡和TCPS考核为约束。针对新模型中TCPS考核约束的分段函数进行线性化,实现了模型的高效求解。基于修改的IEEE算例、工程中的AGC滞后控制策略和CPS标准,仿真验证了模型的有效性。

In recent years,power grid has begun to use the transformational control performance standard(TCPS)to assess the level of automatic generation control(AGC)in various regions.However,existing researches only consider the assessment of control performance standard(CPS).In view of this,a dynamic optimization model of AGC units considering TCPS is proposed,which takes the minimum comprehensive adjustment cost of secondary frequency regulation as the objective and the system power balance and TCPS assessment as the constraints.The piecewise functions of the TCPS assessment constraints in the new model are linearized to achieve the efficient solution of the model.Based on a modified IEEE example,an AGC hysteresis control strategy in engineering and CPS,the effectiveness of the model is verified through simulation.