故障后半波长输电线路的稳态过电压控制措施

doi:10.3969/j.issn.1000-7229.2019.02.014

电力建设 ›› 2019, Vol. 40 ›› Issue (2): 109-.doi: 10.3969/j.issn.1000-7229.2019.02.014

• 智能电网 • 上一篇

故障后半波长输电线路的稳态过电压控制措施

林伟芳，易俊，贾俊川，王安斯，余芳芳，方诗卉

电网安全与节能国家重点实验室（中国电力科学研究院），北京市 100192

出版日期:2019-02-01
作者简介:林伟芳（1983），女，硕士，高级工程师，主要从事电力系统稳定运行与控制等方面的研究工作；易俊（1980），男，博士，高级工程师，主要从事电力系统安全分析与控制等方面的研究工作；贾俊川（1983），男，博士，高级工程师，主要从事电力系统稳定运行与控制等方面的研究工作；王安斯（1982），女，博士，高级工程师，主要从事电力系统运行与控制技术等方面的研究工作；余芳芳（1988），女，硕士，助理工程师，主要从事电力系统稳定分析与控制等方面的研究工作；方诗卉（1995），女，硕士研究生，主要研究电力系统安全稳定分析与控制等方面的研究工作。
基金资助:
国家电网公司科技项目（基于发电机性能差异化及电网主导稳定的网源协调性能评估和优化技术研究）

Study on System Stability Control Measures for Steady-state Overvoltage in UHV Half Wavelength Transmission Lines

LIN Weifang, YI Jun, JIA Junchuan, WANG Ansi, YU Fangfang, FANG Shihui

State Key Laboratory of Power Grid Safety and Energy Conservation （China Electric Power Research Institute）, Beijing 100192, China

Online:2019-02-01
Supported by:
This work is supported by State Grid Corporation of China Research Program.

摘要/Abstract

摘要： 半波长输电技术是一项具有前瞻性和竞争力的新型输电技术。特高压半波长输电线路稳态工频过电压问题严重，须制定相关的故障后安全稳定控制措施。该文提出了通过切除送端配套机组、线路末端投并联无功补偿设备、快速直流调制等控制措施抑制半波长输电线路稳态工频过电压，同时给出了相关理论分析，并通过大电网仿真算例验证了控制措施的有效性。该文研究成果进一步丰富和完善了对特高压半波长输电线路接入系统后控制特性的认识，将为大电网新型输电技术提供理论储备和技术保障。

关键词: , 半波长输电, 过电压, 控制措施, 直流调制

Abstract: Half wavelength AC transmission technology is a forward-looking and competitive new transmission technology. The steady-state overvoltage of ultra-high-voltage （UHV） half wavelength transmission lines is serious. It is necessary to focus on the stability control measures after fault. In this paper, the control measures is put forward, such as reducing power generation at the sending terminal, applying shunt reactive power compensation at the end of the line, and fast modulating direct current power. The relevant theoretical analysis is given, and the effectiveness of the control measures is verified by the large power grid simulation. The characteristic of UHV half wavelength transmission system is enriched and the theoretical and technical support is provided for the future new transmission technology by the paper research.

This work is supported by State Grid Corporation of China Research Program.

Key words: , half wavelength transmission, over voltage, control measure, direct current modulation

中图分类号:

TM 72

林伟芳，易俊，贾俊川，王安斯，余芳芳，方诗卉. 故障后半波长输电线路的稳态过电压控制措施[J]. 电力建设, 2019, 40(2): 109-.

LIN Weifang, YI Jun, JIA Junchuan, WANG Ansi, YU Fangfang, FANG Shihui. Study on System Stability Control Measures for Steady-state Overvoltage in UHV Half Wavelength Transmission Lines

[J]. Electric Power Construction, 2019, 40(2): 109-.

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故障后半波长输电线路的稳态过电压控制措施

Study on System Stability Control Measures for Steady-state Overvoltage in UHV Half Wavelength Transmission Lines

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