Analysis on the Transmission Line Power Flow Control Strategy of the UPFC Project in Western Nanjing Power Grid

Xiangping Kong, Xinyue Gong, Juan Li, Peng Li
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引用次数: 2

Abstract

Among the versatile control strategies in the control system of unified power flow controller (UPFC), the transmission line power flow control strategy is the most important one, which can help UPFC to realize its core function of regulating power flow. Based on the UPFC project in western Nanjing power grid, which is the first modular multilevel converter (MMC) based UPFC project all over the world, the function configuration and hierarchical structure of the UPFC control system are introduced firstly in this paper. Besides, the details of the transmission line power flow control strategy are presented. With the above control strategy, the active power and reactive power of the transmission line can be regulated quickly, independently and safely. Eventually, the field test results are demonstrated to validate the effect of the above control strategy.
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南京西电网UPFC工程输电线路潮流控制策略分析
在统一潮流控制器(UPFC)控制系统的多种控制策略中,输电线路潮流控制策略是最重要的一种,它可以帮助UPFC实现其调节潮流的核心功能。本文以南京西部电网UPFC项目为背景,首先介绍了UPFC控制系统的功能配置和层次结构,这是世界上第一个基于模块化多电平变换器(MMC)的UPFC项目。此外,还详细介绍了输电线路潮流控制策略。采用上述控制策略,可以快速、独立、安全地调节输电线路的有功功率和无功功率。最后,通过现场试验验证了上述控制策略的效果。
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