适用于不同随机变量的主动配电网拉丁超立方抽样法概率谐波潮流计算

doi:10.11930/j.issn.1004-9649.2017.04.059.07

中国电力 ›› 2017, Vol. 50 ›› Issue (4): 59-65.DOI: 10.11930/j.issn.1004-9649.2017.04.059.07

适用于不同随机变量的主动配电网拉丁超立方抽样法概率谐波潮流计算

杨文海¹, 黄玲玉², 程华新², 李瑞环³, 王敬敏¹

1. 华北电力大学经济与管理学院,河北保定 071003；
2. 国网福建省电力有限公司龙岩供电公司,福建龙岩 364000；
3. 国网浙江省电力公司绍兴供电公司,浙江绍兴 312000

收稿日期:2017-01-12 出版日期:2017-04-20 发布日期:2017-04-13
作者简介:杨文海（1983-）,男,河北香河人,博士研究生,从事系统优化与电力经济研究。E-mail: hddahai@163.com
基金资助:
国家自然科学基金资助项目（51607068）; 北京自然科学基金资助项目（3164051）

Probabilistic Harmonic Power Flow Based on Latin Hypercube Sampling Applied to Different Random Variable for Active Distribution Network

YANG Wenhai¹, HUANG Lingyu², CHENG Huaxin², LI Ruihuan³, WANG Jingmin¹

1. School of Economics and Management, North China Electric Power University, Baoding 071003, China;
2. State Grid Longyan Electric Power Company, Longyan 364000, China;
3. State Grid Shaoxing Electric Power Company, Shaoxing 312000, China

Received:2017-01-12 Online:2017-04-20 Published:2017-04-13
Supported by:
This work is supported by Natural Science Foundation of China (No. 51607068) and Natural Science Funds of Beijing (No. 3164051).

摘要/Abstract

摘要： 随着分布式电源的大量接入,不可避免地将大量谐波带入主动配电网,对主动配电网中谐波的特性及谐波在主动配电网中的分布情况进行研究具有重要意义。针对主动配电网,提出了一种适用于不同随机变量的拉丁超立方抽样概率谐波潮流计算方法。介绍了基于回路分析法的基波潮流计算方法以处理主动配电网的弱环网性,为处理主动配电网的PV节点问题,提出了一种严格的PV节点修正方法;针对独立随机变量、相关随机变量及离散数据,分别提出了一种相应的拉丁超立方抽样方法以实现对谐波谱数据的抽样,从而模拟了谐波潮流中的不确定性;基于14节点配电网络进行了算例研究,验证了方法的有效性和可行性。

关键词: 电网, 主动配电网, 分布式电源, 拉丁超立方抽样, 概率谐波潮流计算

Abstract: With the increase of large amount of distributed generations connecting to power grid, it is inevitable that a lot of harmonic waves would be brought to the active distribution network, and it is of great significance to study characteristic of the harmonic spectrum and its distribution in active distribution network. A probabilistic power flow based on improved Latin hypercube sampling for active distribution network is created. The loop-analysis-based power flow algorithm is introduced for weakly meshed distribution network while a strict method to process PV nodes is also proposed. On that basis, with regard to independent random variables, dependent random variables and discrete data, an improved Latin hypercube sampling is proposed to describe uncertainty of harmonic spectrum. Various numerical test results on a 14-bus distribution network demonstrate validity of the proposed method.

Key words: power grid, active distribution network, distributed generations, Latin hypercube sampling, probabilistic harmonic power flow

中图分类号:

TM715

杨文海, 黄玲玉, 程华新, 李瑞环, 王敬敏. 适用于不同随机变量的主动配电网拉丁超立方抽样法概率谐波潮流计算[J]. 中国电力, 2017, 50(4): 59-65.

YANG Wenhai, HUANG Lingyu, CHENG Huaxin, LI Ruihuan, WANG Jingmin. Probabilistic Harmonic Power Flow Based on Latin Hypercube Sampling Applied to Different Random Variable for Active Distribution Network[J]. Electric Power, 2017, 50(4): 59-65.

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https://www.electricpower.com.cn/CN/Y2017/V50/I4/59

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适用于不同随机变量的主动配电网拉丁超立方抽样法概率谐波潮流计算

Probabilistic Harmonic Power Flow Based on Latin Hypercube Sampling Applied to Different Random Variable for Active Distribution Network

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适用于不同随机变量的主动配电网拉丁超立方抽样法概率谐波潮流计算

Probabilistic Harmonic Power Flow Based on Latin Hypercube Sampling Applied to Different Random Variable for Active Distribution Network

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