Comparative Analysis of Technical Standards for Offshore Wind Power via VSC-HVDC

doi:10.16183/j.cnki.jsjtu.2021.465

Abstract

Abstract:

This paper introduces the current situation of domestic and foreign offshore wind power grid-connected via voltage source converter based high voltage direct current(VSC-HVDC) transmission standards, and selects representative standards of offshore wind power grid-connected via VSC-HVDC. It also compares the domestic and foreign offshore wind power grid in terms of power control, fault ride-through, power quality, stability, etc., and analyzes the development trend of offshore wind power grid-connected via VSC-HVDC standards. In order to promote the development of offshore wind power industry, it provides reasonable suggestions for the formulation and revision of Chinese offshore wind power grid-connected via VSC-HVDC standards.

Key words: offshore wind power, voltage source converter based high voltage direct current (VSC-HVDC) transmission system, grid standards, power control

CLC Number:

TM614

YU Hao, ZHANG Zhemeng, PENG Sui, ZHANG Zhiqiang, REN Wanxin, LI Canbing. Comparative Analysis of Technical Standards for Offshore Wind Power via VSC-HVDC[J]. Journal of Shanghai Jiao Tong University, 2022, 56(4): 403-412.

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频率/Hz	运行时间/s
47.0~47.5	60
47.5~48.5	协商确定
48.5~49.0	协商确定
49.0~51.0	无限时长
51.0~51.5	协商确定
51.5~52.0	协商确定

同步区域	电压范围(p.u.)	运行时间
欧洲大陆	0.850~1.118	无限时长
	1.118~1.150	协商确定,但至少20 min
北欧	0.900~1.050	无限时长
	1.050~1.100	60 min
英国	0.900~1.100	无限时长
爱尔兰	0.900~1.118	无限时长
北爱尔兰	0.900~1.118	无限时长
波罗的海国家	0.850~1.118	无限时长
	1.118~1.150	20 min

同步区域	电压范围(p.u.)	运行时间
欧洲大陆	0.85~1.05	无限时长
	1.05~1.0875	协商确定,≥60 min
	1.0875~1.10	60 min
北欧	0.90~1.05	无限时长
	1.05~1.10	协商确定,≥60 min
英国	0.90~1.05	无限时长
	1.05~1.10	15 min
爱尔兰	0.90~1.05	无限时长
北爱尔兰	0.90~1.05	无限时长
波罗的海国家	0.880~1.097	无限时长
	1.097~1.150	20 min

电压	标幺值(p.u.)	时间	参数值/s
U_ret	0.00~0.30	t_cle	0.14~0.25
U_rec1	0.25~0.85	t_rec1	1.50~2.50
U_rec2	0.85~0.90	t_rec2	t_rec1~10.00

参数	U_ret(p.u.)	U_rec1(p.u.)	U_rec2(p.u.)	t_clear/s	t_rec1/s	t_rec2/s
参考范围	0.00~0.30	0.25~0.85	0.85~0.90	0.14~0.25	1.50~2.50	t_rec1~10.00
对称故障	0.00	0.85	0.90	0.15	2.50	10.00
不对称故障	0.00	0.85	0.90	0.15	2.50	10.00