Grid Division Principle of Medium Voltage Distribution Network Based on Planning Difference

doi:10.16628/j.cnki.2095-8188.2021.12.012

Abstract

Abstract:

Based on the three-level division of power supply area,grid and power supply unit,this paper describes and analyzes the difference planning and non difference planning of medium voltage distribution network,studies the principle of grid division,and explains that the grid division of medium voltage distribution network should be based on the masching the capacity difference of planning unit (substation and line unit) and the load density difference.Through the actual grid planning application in a certain area,it is proved that the grid division principle proposed in this paper is very reasonable.

Key words: distribution network planning, grid, difference, power supply zoning, load density

CLC Number:

TM73

XUAN Jingyan, CUI Hongbo, LI Qin, QI Yibin. Grid Division Principle of Medium Voltage Distribution Network Based on Planning Difference[J]. LOW VOLTAGE APPARATUS, 2021, 0(12): 67-70.

Figures/Tables 3

References 13

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下标的序号	a_i	b_i	η_i	S_i_,max
1	109.2	1 087	1.5	360
2	102.8	1 146	1.5	360
3	98.5	1 066	1.5	360
4	107.3	1 100	1.5	360
5	113.1	1 067	1.5	360
6	105.4	1 075	1.5	360

网格序号	网格面积/km²	网格负荷密度 /(MW·km^-2)	变电站数量/座	变电站变电模式/MVA
1	9.02	15.11	2	3×40
2	8.52	21.78	2	3×50
3	11.55	11.38	2	3×31.5

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