考虑分布式发电不确定性的可用输电能力评估

WANG Jun; CAI Xingguo

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考虑分布式发电不确定性的可用输电能力评估

更新时间：2025-08-13

- 考虑分布式发电不确定性的可用输电能力评估
- Automation of Electric Power Systems Vol. 35, Issue 21, Pages: 21-25(2011)
- 作者机构：
  
  1. 哈尔滨工业大学电气工程及自动化学院,黑龙江省,哈尔滨市,150001
  2. 沈阳农业大学信息与电气工程学院,辽宁省,沈阳市,110866
- 作者简介：
- 基金信息：
- DOI：
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- Published：2011
- 稿件说明：
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WANG Jun, CAI Xingguo. [J]. Automation of electric power systems, 2011, 35(21): 21-25.
DOI：

WANG Jun, CAI Xingguo. [J]. Automation of electric power systems, 2011, 35(21): 21-25. DOI：

摘要

随着分布式电源（distributed generator，DG）的广泛应用，DG的各种不确定性因素将对电网可用输电能力（available transfer capability，ATC）评估产生重要影响。提出了一种考虑DG影响的ATC评估方法，由DG安装位置、运行状态、发电功率等不确定性因素组成系统随机变量，利用蒙特卡洛仿真解决系统运行随机性问题，结合传统牛顿 — 拉夫逊潮流法预测系统可能的运行状态，并定义一系列的概率指标进行ATC评估。IEEE 30节点系统的算例分析表明在ATC评估中考虑DG影响的必要性和方法的可行性。

Abstract

With the increasing use of distributed generator（DG）， various uncertainty factors of DG will have more impact on available transmission capability（ATC） assessment. An assessment method of ATC considering DG influences is presented. The uncertainty factors， including installation location， running status， generating power of DG， constitute random variables of the system. The stochastic problems are solved using Monte Carlo simulation， combined with traditional Newton-Raphson power flow method to forecast some possible operation state of the system. Some probability indices for ATC evaluation are defined. Tests in the IEEE 30-bus system show the necessity to consider the influence of DG and the practicability of the presented approach.

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