Improved TOPSIS based reliability evaluation for thermal power units

LIU Changliang; LIU Mengqiong

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Improved TOPSIS based reliability evaluation for thermal power units

Thermal Power Generation Vol. 44, Issue 5, Pages: 1-6(2015)

更新时间：2025-09-28

- Improved TOPSIS based reliability evaluation for thermal power units
- 作者机构：
  
  1. 华北电力大学新能源电力系统国家重点实验室
  2. 华北电力大学控制与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2015
- 稿件说明：
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LIU Changliang, LIU Mengqiong. Improved TOPSIS based reliability evaluation for thermal power units[J]. Thermal Power Generation, 2015, 44(5): 1-6.
DOI：

LIU Changliang, LIU Mengqiong. Improved TOPSIS based reliability evaluation for thermal power units[J]. Thermal Power Generation, 2015, 44(5): 1-6. DOI：

摘要

为了保证整个电力系统的安全、稳定运行

结合TOPSIS法在权重计算和距离方面的改进

对国内11家发电企业的火电机组运行可靠性进行了综合评价。以中电联公布的2012年上半年机组运行数据为基础

采用改进的本征向量法和信息熵法获得主观权重和客观权重

并将主、客观权重进行融合

采用Minkowski距离代替传统TOPSIS法中的Euclid距离

对各发电企业机组运行可靠性进行了评价和排序。结果表明

改进TOPSIS法是评价火电机组运行可靠性的一种全面有效的综合方法

可为机组安全、稳定运行提供参考。

Abstract

To ensure the security and stable operation of the whole power system

a comprehensive evaluation of reliability of thermal power generating units for 11 power plants nationwide was carried out

combining with improvements of the conventional TOPSIS method in weight and distance.On the basis of the unit operating data in the first half of 2012 published by the ITU

the improved Eigenvector method and information entropy method were adopted to acquire and integrate the objective and subjective weights.After that

the reliability of units in these power plants was evaluated and ranked by adopting Minkowski distance as a substitution for the Euclid distance in the conventional TOPSIS method.The results show the improved TOPSIS method is a comprehensive and effective evaluation method for the power plants' operational reliability

which can provide references for the safe and stable operation of the electric power systems.

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