舰船直流区域配电系统安全运行边界计算与分析

根据综合电力系统采用直流区域配电的特点,借鉴配电网最大供电能力(TSC)的概念,提出基于斩波器负载率的舰船直流区域配电系统安全域模型及其TSC模型,并引入{1}-广义逆的概念分析了安全域模型的解空间形式。进而给出了可视化安全边界仿真算法流程,将TSC模型求解结果作为初始迭代值,对直流区域配电系统中的斩波器进行两两分组,任选一组进行仿真逼近,得到二维安全边界断面图。最后,采用Lingo计算了直流区域配电系统TSC临界安全工作点,给出了两种典型分组情况下的安全边界断面图,分析了同一区域和不同区域各斩波器之间的负荷关系,为综合电力系统安全预防控制提供了研究基础。

Calculation and Analysis of the Safe Operation Boundary of Shipboard DC Zonal Electric Distribution System

The new characteristics of the integrated power system (IPS) exist by using DC zonal electrical distribution and the concept of the total supply capability (TSC) in distribution network. This paper presented a safety domain model and a TSC model for the DC zonal electrical distribution system based on the chopper load rate. The concept of {1}-generalized inverse matrix was also introduced to analyze the solution space form of the safety domain model. Furthermore, the visual safe boundary simulation algorithm was adopted to solve the TSC model, and the result was used as the initial iteration value. Then, the choppers in the DC zonal electrical distribution system were paired up. Each group would be selected for the approximating simulation, and a two-dimensional safe boundary section profile was obtained. Finally, Lingo was applied to calculating the TSC critical safety working point. The safe boundary section profiles of the two typical groups were offered, and the load relationship between the choppers in the same region and different regions was analyzed. This paper provides the basis to study the safe and preventive control of the IPS.