大规模光伏接入受端电网方案综合决策

doi:10.6040/j.issn.1672-3961.0.2019.029

摘要/Abstract

摘要：

提出一种基于模糊层次分析和逼近理想解排序的方案评估比选方法,用于大规模光伏接入受端电网方案的综合决策。以系统安全稳定性、光伏出力间歇性、经济性和可扩展性为准则,建立大规模光伏电站接入受端电网方案评估体系,对候选方案各指标进行量化评估;考虑决策者主观偏好的模糊性质,采用模糊层次分析法确定评估体系中各指标的权重,并利用逼近理想解排序法进行多属性决策得到推荐接入方案。山东电网算例展示所提综合决策方法的全过程,结果表明利用该方法可直观地反映各候选方案的优劣,并给出合理的决策结果。

关键词: 光伏电站, 综合决策, 模糊层次分析, 逼近理想解排序

Abstract:

This paper proposed a comprehensive decision-making method based on fuzzy analytic hierarchy process (FAHP) and technique for order preference by similarity to ideal solution (TOPSIS) for large-scale photovoltaic system integrated to receiving-end power grid. A decision-making evaluation index system was established to quantify the indexes of grid-connection schemes, in which main influence factors considered were security and stability, intermittence of PV, economy, and extendibility. Taking into account the fuzziness of the preferences of decision-makers, the FAHP algorithm was applied to determine the weights of indexes. The TOPSIS algorithm was adopted to make the multi-objective decision between schemes to get the TOPSIS solution as the best grid-connection scheme. The case study on Shandong power grid demonstrated the whole process of the comprehensive decision-making method and indicated that the method could reflect the merits and demerits of different schemes visually, with which we could get the reasonable decision results.

Key words: photovoltaic system, comprehensive decision-making, FAHP, TOPSIS

中图分类号:

TM715

刘晓明,丛旖旎,李文博,刘玉田. 大规模光伏接入受端电网方案综合决策[J]. 山东大学学报 (工学版), 2019, 49(4): 115-122.

Xiaoming LIU,Yini CONG,Wenbo LI,Yutian LIU. Comprehensive decision-making method for large-scale photovoltaic system integrated to receiving-end power grid[J]. Journal of Shandong University(Engineering Science), 2019, 49(4): 115-122.

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指标	方案二	方案三	方案四	方案五
A₁₁/s	0.260	0.282	0.278	0.272
A₂₁/%	32.31	32.95	32.89	32.01
A₂₂/%	38.51	38.11	38.10	38.21
B₁₁	13	16	18	9
B₁₂/pu	2.27	3.84	4.94	2.26
B₂₁/%	1.25	0.63	0.72	0.67
C₁₁/万元	8 914	14 579	13 157	9 861
C₂₁/%	1.62	1.75	1.73	1.41
C₂₂/%	41.15	38.67	39.47	39.99
D₁/GW	1.88	2.06	2.05	2.11

准则层	一级指标	二级指标	总排序权重
A(0.348)	A₁(0.6)	A₁₁(1)	0.208 80
	A₂(0.4)	A₂₁(0.7)	0.097 44
	A₂(0.4)	A₂₂(0.3)	0.041 76
B(0.348)	B₁(0.6)	B₁₁(0.7)	0.146 16
		B₁₂(0.3)	0.062 64
	B₂(0.4)	B₂₁(1)	0.139 20
C(0.196)	C₁(0.6)	C₁₁(1)	0.117 60
	C₂(0.4)	C₂₁(0.8)	0.062 72
	C₂(0.4)	C₂₂(0.2)	0.015 68
D(0.108)	D₁(1)		0.108 00

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