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[1]林金娇,李 鹏,高 磊,等.基于提升故障穿越能力的UPFC重启策略研究及应用[J].高压电器,2020,56(02):163-169.[doi:10.13296/j.1001-1609.hva.2020.02.024 ]
 LIN Jinjiao,LI Peng,GAO Lei,et al.Restarting Strategy of UPFC Control Protection System with Application for Improving Fault Ride-through Capability[J].High Voltage Apparatus,2020,56(02):163-169.[doi:10.13296/j.1001-1609.hva.2020.02.024 ]
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基于提升故障穿越能力的UPFC重启策略研究及应用()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第56卷
期数:
2020年02期
页码:
163-169
栏目:
技术讨论
出版日期:
2020-02-14

文章信息/Info

Title:
Restarting Strategy of UPFC Control Protection System with Application for Improving Fault Ride-through Capability
作者:
林金娇 李 鹏 高 磊 张 弛 袁宇波
(国网江苏省电力有限公司电力科学研究院, 南京 211103)
Author(s):
LIN Jinjiao LI Peng GAO Lei ZHANG Chi YUAN Yubo
(State Grid Jiangsu Electric Power Company Research Institute, Nanjing 211103, China)
关键词:
统一潮流控制器(UPFC) 故障穿越 UPFC自动重启策略 苏南500 kV UPFC工程
Keywords:
unified power flow controller (UPFC) fault ride-through UPFC automatic restarting strategy southern Suzhou 500 kV power grid UPFC project
DOI:
摘要:
统一潮流控制器(UPFC)是最新一代柔性交流输电系统装置,综合了FACTS 元件的多种灵活控制手段。受限于电力电子设备绝缘能力,UPFC故障穿越能力有限。文中在介绍UPFC串联侧故障快速隔离技术的基础上,提出了UPFC配合交流保护重启策略,发生影响UPFC运行的故障时,利用特征量进行故障区域和类型判别,判别为交流电网异常时,进一步根据故障特性,并检测电网运行状态和UPFC运行能力,执行UPFC故障穿越或短时闭锁后自动重启的策略。接着以500 kV 苏南 UPFC工程为例,介绍了该策略的具体实现方案。将该策略在南京西环网UPFC工程及苏南UPFC工程应用,结果表明,文中所提UPFC配合交流保护故障重启策略,具有良好的应用可行性和电网适应性,显著提升了UPFC工程的故障穿越能力。
Abstract:
The fault ride-through capability of the unified power flow controller (UPFC) is limited because of weak insulation capacity of electronic equipment. In this study, the fast fault isolation technique for UPFC series side was employed to propose a restarting strategy of UPFC control protection system combining with power grid protection for improving its fault ride-through capability. When a fault affecting UPFC operation happens, the characteristic variables are used to distinguish the fault area and type. If the AC power grid is distinguished to be abnormal, the operation state of the power grid and the running capacity of UPFC are detected according to the fault characteristics, and the strategy of fault ride-through or UPFC automatic restarting after short-time locking is performed. The discrimination principle and implementation method of the strategy are described. This strategy was applied to the system commissioning and operation of the Western Nanjing 220 kV Power Grid UPFC Project and the Southern Suzhou 500 kV Power Grid UPFC Project, and the results showed that the strategy has good application feasibility and adaptability to power grid, and it can further improve UPFC fault ride-through capability.

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备注/Memo

备注/Memo:
收稿日期:2019-10-11; 修回日期:2019-12-06基金项目:国家自然科学基金项目(51707090)。Project Supported by the National Natural Science Foundation of China(51707090).林金娇(1988—),女,工程师,研究方向为柔性直流输电控制保护技术。李 鹏(1982—),男,高级工程师,研究方向为柔性直流输电控制保护技术。高 磊(1982—),男,高级工程师,研究方向为柔性直流输电控制保护技术。张 弛(1992—),男,工程师,研究方向为继电保护技术。袁宇波(1975—),男,研究员级高工,研究方向为特高压直流输电技术、继电保护技术。
更新日期/Last Update: 2020-02-14