考虑N-1安全约束的220 kV片区电网最大供电能力计算

JING Zhaoxia

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考虑N-1安全约束的220 kV片区电网最大供电能力计算

更新时间：2025-08-13

- 考虑N-1安全约束的220 kV片区电网最大供电能力计算
- Automation of Electric Power Systems Vol. 40, Issue 19, Pages: 145-152(2016)
- 作者机构：
  
  华南理工大学电力学院,广东省,广州市,510006
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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JING Zhaoxia. [J]. Automation of electric power systems, 2016, 40(19): 145-152.
DOI：

JING Zhaoxia. [J]. Automation of electric power systems, 2016, 40(19): 145-152. DOI：

摘要

电网最大供电能力(TSC)的准确计算可有效引导电网的规划和运行。在考虑N-1静态安全约束的交流潮流非线性模型的基础上提出了一种完整电网模型与220 kV片区电网模型交替迭代的方法来求解220 kV片区电网的TSC

该方法在缩减计算规模、加快计算速度的同时

能有效地提高计算精度。实际电网中对负荷分配均衡性有一定的要求

因此

提出了考虑负荷均衡平衡的TSC计算模型。最后

以广州某220 kV片区电网为算例分别对所提出的模型和不考虑负荷均衡平衡的模型进行了TSC计算

并对其结果进行了对比分析

验证了所述方法和模型的可行性与有效性。

Abstract

The accurate calculation of total supply capability(TSC)can effectively guide the planning and operation of the power network. An alternating iteration method between the complete power network model and 220 kV area power grid model is presented to calculate the TSC of 220 kV area power grid based on the non-linear mathematical model with AC power flow and N-1 static security constraint. The proposed method is able to decrease the scale of calculation

accelerate the calculation speed

and effectively improve the accuracy of the TSC. There are some requirements for the load distribution balance in actual power network. Therefore

TSC model is proposed considering load equilibrium. Finally

TSC of the models with and without considering load equilibrium is calculated at a 220 kV area power grid in Guangzhou. The results are compared and analyzed to verify the feasibility and effectiveness of the proposed method and the model. This work is supported by National Natural Science Foundation of China(No. 51377058).

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