特高压变电站分区供电能力分析
1000kV电网和特高压直流需要依靠500kV电网进行有效的承接和分散。以1000kV和500kV母线的短路电流限制为约束条件,分别针对特高压主变独立和互联供电分区的情况,分析特高压主变分区供电能力。首先分析1000kV/500kV典型分区结构所具备的供电能力,然后根据分区供电能力判断可能形成的500kV/220kV分区数目,所有500kV/220kV分区供电能力之和即是1000kV/500kV/220kV3层结构的整体供电能力,1个分区的供电能力范围约为21000~35000 MW。考虑直流接入500kV电网时,可以在原有分区的供电能力上直接叠加直流输入功率需要的500kV/220kV分区供...
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Published in | 全球能源互联网 Vol. 2; no. 2; pp. 201 - 208 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
Editorial Office of Journal of Global Energy Interconnection
01.03.2019
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Subjects | |
Online Access | Get full text |
ISSN | 2096-5125 |
DOI | 10.19705/j.cnki.issn2096-5125.2019.02.012 |
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Abstract | 1000kV电网和特高压直流需要依靠500kV电网进行有效的承接和分散。以1000kV和500kV母线的短路电流限制为约束条件,分别针对特高压主变独立和互联供电分区的情况,分析特高压主变分区供电能力。首先分析1000kV/500kV典型分区结构所具备的供电能力,然后根据分区供电能力判断可能形成的500kV/220kV分区数目,所有500kV/220kV分区供电能力之和即是1000kV/500kV/220kV3层结构的整体供电能力,1个分区的供电能力范围约为21000~35000 MW。考虑直流接入500kV电网时,可以在原有分区的供电能力上直接叠加直流输入功率需要的500kV/220kV分区供电能力。针对京津唐规划电网饱和负荷水平进行了深入分析,给出2020年京津唐规划电网目标网架的饱和供电能力范围约为110000~120500 MW。 |
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AbstractList | 1000kV电网和特高压直流需要依靠500kV电网进行有效的承接和分散。以1000kV和500kV母线的短路电流限制为约束条件,分别针对特高压主变独立和互联供电分区的情况,分析特高压主变分区供电能力。首先分析1000kV/500kV典型分区结构所具备的供电能力,然后根据分区供电能力判断可能形成的500kV/220kV分区数目,所有500kV/220kV分区供电能力之和即是1000kV/500kV/220kV3层结构的整体供电能力,1个分区的供电能力范围约为21000~35000 MW。考虑直流接入500kV电网时,可以在原有分区的供电能力上直接叠加直流输入功率需要的500kV/220kV分区供电能力。针对京津唐规划电网饱和负荷水平进行了深入分析,给出2020年京津唐规划电网目标网架的饱和供电能力范围约为110000~120500 MW。 |
Author | 任大伟 覃琴 张立波 高骞 王雅婷 周勤勇 肖晋宇 韩奕 |
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SubjectTerms | 分区供电能力 特高压 短路电流 |
Title | 特高压变电站分区供电能力分析 |
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