基于SUNDIALS的有源配电网随机动态仿真方法

发布时间：2018-11-12 16:29

【摘要】：随着分布式电源在配电网络中的渗透率不断提高及用电需求的日益增长,分布式电源及负荷具有的随机特性对配用电侧的安全可靠运行带来了新的挑战。为此,文中提出了一种考虑随机扰动影响的有源配电系统动态仿真方法。首先,根据分布式电源及负荷的随机特性,建立了光辐照度、风速、负荷波动的随机动态模型;其次,基于SUNDIALS提出了有源配电网随机动态仿真方法;最后,在中低压有源配电系统算例中进行了测试和验证。该方法与确定性仿真方法相比能够反映配电系统的不确定性,得到更真实的仿真结论。此外,利用SUNDIALS与并行计算策略,在满足了仿真数值精度的同时,提高了仿真效率。
[Abstract]:With the increasing permeability of distributed generation in distribution network and the increasing demand for electricity, the random characteristics of distributed generation and load bring new challenges to the safe and reliable operation of distribution side. In this paper, a dynamic simulation method for active power distribution system considering random disturbance is proposed. Firstly, a stochastic dynamic model of light irradiance, wind speed and load fluctuation is established according to the stochastic characteristics of distributed power generation and load. Secondly, a stochastic dynamic simulation method for active distribution network based on SUNDIALS is proposed. Finally, the test and verification are carried out in the example of medium-low voltage active distribution system. Compared with the deterministic simulation method, this method can reflect the uncertainty of the distribution system and obtain more realistic simulation results. In addition, using SUNDIALS and parallel computing strategy, the simulation accuracy is satisfied and the simulation efficiency is improved.
【作者单位】： 智能电网教育部重点实验室(天津大学);国网北京经济技术研究院;
【基金】：国家电网公司科技项目“复杂配电网暂态过程数模混合仿真技术研究”~~
【分类号】：TM743
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本文编号：2327595