考虑分布式电源影响的电网运行安全风险评估方法概述

doi:10.11985/2016.12.005

电气工程学报 ›› 2016, Vol. 11 ›› Issue (12): 30-36.doi: 10.11985/2016.12.005

考虑分布式电源影响的电网运行安全风险评估方法概述

王龙宇¹,王丙东²,蔡蕾³,李振动¹,吴炜¹

^1. 国网冀北电力有限公司检修分公司北京 102488
^2. 国网冀北电力有限公司廊坊供电公司廊坊 065000
^3. 国网天津武清供电有限公司武清 301700

收稿日期:2016-08-03 出版日期:2016-11-25 发布日期:2019-11-22
作者简介:王龙宇男 1988年生,工程师,主要从事电力系统继电保护、自动化方面的工作。|王丙东男 1988年生,工程师,主要从事变压器运行维护工作。

A Review on Risk Based Assessment Method for Power System Operation Considering the Influence of Distributed Generation

Wang Longyu¹,Wang Bingdong²,Cai Lei³,Li Zhendong¹,Wu Wei¹

^1. Maintenace Branch, Jibei Electric Power Corporation Beijing 102488 China
^2. Langfang Power Supply Company Langfang 065000 China
^3. Wuqing Power Supply Company Tianjin 301700 China

Received:2016-08-03 Online:2016-11-25 Published:2019-11-22

摘要/Abstract

摘要：

为了有效应对能源危机与环境污染问题,基于清洁能源的分布式发电正在大规模接入电网。由于分布式发电,如风电与光伏发电,出力水平主要依赖高度不确定性的自然条件,传统的电网运行安全风险评估方法需要充分考虑分布式电源的影响。主要介绍了考虑分布式发电影响的电力系统运行安全风险评估方法,包括系统状态选择方法、电网设备故障模型、分布式发电出力模型、常用风险指标以及负荷模型等。能够降低分布式发电的不确定性给系统造成的影响,有效提高分布式发电入网比例。

关键词: 风险评估, 分布式发电, 负荷模型, 风险指标, 电网运行

Abstract:

In order to solve energy crisis and environment pollution, the clean energy based distributed generation is access into power system with large scale. However, the output of distributed generation mainly depends on uncertain weather conditions and it is necessary to take its uncertainty into traditional power system operation risk assessment. In this paper a review on risk based assessment method for power system operation considering the influence of distributed generation is offered. It includes state selecting method, component fault model, distributed generation output model, common risk indices and load model. The proposed method could reduce the effect from distributed generation uncertainty and enhance its penetration proportion into power system in valid.

Key words: Risk assessment, distributed generation, load model, risk indices, power system operation

中图分类号:

TM614

王龙宇,王丙东,蔡蕾,李振动,吴炜. 考虑分布式电源影响的电网运行安全风险评估方法概述[J]. 电气工程学报, 2016, 11(12): 30-36.

Wang Longyu,Wang Bingdong,Cai Lei,Li Zhendong,Wu Wei. A Review on Risk Based Assessment Method for Power System Operation Considering the Influence of Distributed Generation[J]. Journal of Electrical Engineering, 2016, 11(12): 30-36.

图/表 5

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负荷水平	概率
L₁	P₁= T₁/T
L₂	P₂= T₂/T
…	…
L_k	P_k = T_k/T
…	…
L_n	P_n = T_n/T

考虑分布式电源影响的电网运行安全风险评估方法概述

A Review on Risk Based Assessment Method for Power System Operation Considering the Influence of Distributed Generation

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