基于电磁储能的电网新能源消纳能力仿真分析  

Simulation Analysis of New Energy Consumption Capacity of Power Grid Based on Electromagnetic Energy Storage

作　　者：韩丛宇 石勇 HAN Cong-yu;SHI Yong(Shaanxi University of Science and Technology,School of Electrical and Control Engineering,Xi'an Shanxi 710021,China)

机构地区：[1]陕西科技大学电气与控制工程学院,陕西西安710021

出　　处：《计算机仿真》2021年第1期51-55,共5页Computer Simulation

摘　　要：为合理调节电磁储能,在实现电网运动运行基础上加强新能源电能利用率,提出基于电磁储能的电网新能源消纳能力仿真分析方法。为准确地反映出电容器在工作过程中不同时间段内特征动态变化过程,采用改进后三支路模型对超级电容储能系统精确建模,根据超级电容恒流放电曲线完成三支路模型中等效电容值、串联电阻值和并联电阻值的辨识。对超级电容电磁储能系统改进后,通过计算电网的调峰能力完成对新能源消纳能力的分析。仿真条件下,通过对某地区电网的新能源消纳能力的实例分析,证明所提方法具有一定的可行性,且能源电能利用率较高,可为各地区的电网消纳能力分析提供参考。This paper proposes a simulation analysis method of new energy consumption capacity based on electromagnetic energy storage for adjusting the electromagnetic energy storage reasonably and enhancing the utilization rate of new energy.Firstly,the improved three-branch model was adopted to accurately model the super capacitor energy storage system for accurately reflecting the dynamic change process of capacitor characteristics in different time periods.Secondly,the equivalent capacitance,series resistance and parallel resistance in the three-branch model were recognized via the supercapacitor constant current discharge curve.Finally,the analysis of new energy consumption capacity was achieved by calculating the peak shaving capacity of power grid.The simulation results show that the method has high energy utilization rate and feasibility,which can provide a basis for the analysis of power grid accommodation capacity in various regions.

关 键 词：三支路模型 超级电容 恒流放电曲线 调峰能力 

分 类 号：TM45[电气工程—电器]