酒泉-湖南±800kV 直流换流站的避雷器配置方案研究

doi:10.11985/2015.12.001

电气工程学报 ›› 2015, Vol. 10 ›› Issue (12): 1-6.doi: 10.11985/2015.12.001

• 理论研究 • 下一篇

酒泉-湖南±800kV 直流换流站的避雷器配置方案研究

张择策,侯雨伸,郭静丽,张玥,武泽辰,侯孚睿,沈天时

西安交通大学电气工程学院

收稿日期:2015-06-18 出版日期:2015-12-25 发布日期:2020-04-09
作者简介:Zhang Zece(张择策),male,was born in 1992,master student,his main research interests are in the field of active distribution network and power system reliability.|Hou Yushen(侯雨伸),male,was born in 1988,doctoral student,his main research interests are in the field of power system reliability,risk evaluation and ice-melting strategy of transmission system in icing event.
基金资助:
国家高技术研究发展计划项目863计划(2012AA052701)

Research on Arrester Protection Scheme of Converter Station for ± 800 kV UHV DC Project From Jiuquan to Hunan

Zece Zhang,Yushen Hou,Jingli Guo,Yue Zhang,Zechen Wu,Furui Hou,Tianshi Shen

School of Electrical Engineering Xi’an Jiaotong University Xi’an 710048 China

Received:2015-06-18 Online:2015-12-25 Published:2020-04-09

摘要/Abstract

摘要：

针对即将建设的酒泉–湖南±800kV直流换流站,提出了一种新的避雷器配置方案。该方案提出直接在最高电位换流变压器的交流侧配置A2避雷器,在上、下12脉动换流单元中间母线处配备CB1A和CB1B避雷器并将平波电抗器分别布置在极线和400kV直流母线上,撤掉E1H高能量避雷器。提出了将CB1A和CB1B避雷器以及平波电抗器装设在户外以节省阀厅空间的想法。通过比较传统的经典±800kV换流站避雷器配置方案（方案A）和该新方案（方案B）,论述了该方案的特点和优势,并根据避雷器的直流参考电压选择原则给出了一个参数选择方案。该文所介绍的避雷器配置方案和所选用的避雷器参数对酒泉–湖南±800kV 直流输电工程具有一定指导作用。

关键词: 换流站, 避雷器, 平波电抗器, 配置方案

Abstract:

Abstract: This paper introduces a new arrester protection scheme of converter station for ±800 kV UHV DC project from Jiuquan to Hunan. The new scheme proposes to use A2 arrester directly at the AC side of the maximum potential converter transformer and use CB1A and CB1B arrester at the bus between two 12 pulse converter units. The new scheme proposes to install smooth reactors equally on pole bus and 400kV DC bus and abandon E1H arrester. This paper proposes to install CB1A arrester, CB1B arrester and smooth reactors together outdoors in order to save more space for valve hall. This paper compares the traditional typical scheme (scheme A) for ±800kV UHV DC converter station and the new scheme (scheme B) and analyzes the characteristics and advantages of the new scheme. This paper also selects the arrester parameters according to the selection principle of arrester DC reference voltage. The new arrester protection scheme and its parameters play some guiding roles in ±800kV UHV DC project from Jiuquan to Hunan.

Key words: Converter station, arrester, smooth reactor, protection scheme

中图分类号:

TM862

张择策,侯雨伸,郭静丽,张玥,武泽辰,侯孚睿,沈天时. 酒泉-湖南±800kV 直流换流站的避雷器配置方案研究[J]. 电气工程学报, 2015, 10(12): 1-6.

Zece Zhang,Yushen Hou,Jingli Guo,Yue Zhang,Zechen Wu,Furui Hou,Tianshi Shen. Research on Arrester Protection Scheme of Converter Station for ± 800 kV UHV DC Project From Jiuquan to Hunan[J]. Journal of Electrical Engineering, 2015, 10(12): 1-6.

图/表 7

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参考文献 21

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Arrester	CCOV/kV	Arrester	CCOV/kV
A	400	CB1B	441
V1	255	CB1A	498
V2	255	DR2	220
V3	255	DB	827
C2	494	DL	827
M1	293	E2	78

Arrester	PCOV/kV	Arrester	PCOV/kV
A	468	CB1B	516
V1	298	CB1A	583
V2	298	DR2	257
V3	298	DB	968
C2	578	DL	968
M1	343	E2	91

Arrester	Charge ability (%)	Arrester	Charge ability (%)
A	78	CB1B	85
V1	98	CB1A	85
V2	98	DR2	72
V3	98	DB	80
C2	90	DL	80
M1	90	E2	29

Arrester	Uref /kV	Arrester	Uref /kV
A	600	CB1B	607
V1	304	CB1A	686
V2	304	DR2	357
V3	304	DB	1210
C2	520	DL	1210
M1	381	E2	314

Arrester	Energy parameter /MJ	Arrester	Energy parameter /MJ
A	2.93	CB1B	0.49
V1	6.56	CB1A	0.61
V2	2.52	DR2	0.04
V3	1.19	DB	2.51
C2	1.30	DL	2.51
M1	1.27	E2	1.83

酒泉-湖南±800kV 直流换流站的避雷器配置方案研究

Research on Arrester Protection Scheme of Converter Station for ± 800 kV UHV DC Project From Jiuquan to Hunan

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