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大容量海上双馈风电场的高压直流输电技术概述 被引量:3

Review on the High-voltage DC Transmission Technology for Offshore Doubly-fed Induction Generator-based Wind Farms
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摘要 基于双馈机组的风电场不同于基于同步发电机的传统的发电厂,其高压直流输电技术具有一定的特殊性。本文对用于大容量双馈风电场的高压直流输电技术进行了概述。首先介绍了高压交流和直流输电技术针对海上风电应用的优缺点。然后对比了传统电力系统中的两种经典高压直流输电技术,即相控换流高压直流输电与轻型直流输电技术,并对二者应用于双馈风电场后的优缺点进行了分析。为克服其中存在的弊端,最后介绍了一种结合了静止同步补偿器(STATCOM)、相控换流器以及全控电流源型逆变器的混合型高压直流输电拓扑。 The characteristics of doubly - fed induction generator (DFIG) - based on wind farms substantially is different from those synchronous machine - based on power plants. Due to this reason, the high - voltage DC (HVDC) transmission technology that can be applied is limited. This paper gives an overview on this kind of HVDC technology. Firstly, the cons - and - pros of high - voltage ac and high - voltage dc technology for offshore wind farms are briefly described. Then the two typical HVDC technologies, i.e. Line - Co mmutated Converter - HVDC ( LCC - HVDC) and Voltage Source Converter - HVDC ( VSC - HVDC) used in conventional power system are introduced. Their adaptations for connecting DFIG - based on wind farms are also analyzed and the respective drawbacks are pointed out. Finally, a new hybrid HVDC technology specifically designed for DFIG -based on wind farm is mentioned, which incorporates the STATCOM (Static Synchronous Compensator), LCC and current source inverter (CSI) technologies.
出处 《东方电气评论》 2012年第4期56-61,共6页 Dongfang Electric Review
关键词 风电场 高压直流输电 双馈发电机 wind farm HVDC hybrid HVDC DFIG
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