基于功率传递的电网间同期并列理论 |
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引用本文:刘家军,支建刚,宋潇.基于功率传递的电网间同期并列理论[J].电网与清洁能源,2016,32(12):21~27 |
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基金项目:基金项目:国家自然科学基金项目(51077109)。 |
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中文摘要:摘要: 介绍了电压源型换流器(VSC)通过功率传递实现电网间同期并列的方法和原理。阐述了并网装置在并网操作完成后通过相应断路器倒闸操作和控制策略转变拓展为FACTS装置的研究,对并网装置转换为UPFC、STATCOM及SSSC等实现对联络线潮流控制的方法,以及基于功率传递电网间同期并列方式转化为UPFC对覆冰线路融冰的应用方法进行了综述,对并网复合装置各元件参数的选取原则和计算方法做了总结。最后,对VSC-HVDC同期并网复合系统存在的问题以及研究新方向进行了展望。 |
中文关键词:关键词: 功率传递 同期并列 复合系统 线路融冰 装机容量 |
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Review of Theory and Application Research on Power Grids Synchronous Parallel Based on Power Transmission |
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Abstract:ABSTRACT: In this paper, the methods and principles to realize the synchronization paralleling of grids through power transfer by the voltage source converter(VSC) are introduced. The study on how the grid-connected device is transformed and expanded into the FACTS device through switching operation and control strategy of the corresponding circuit breaker after completion of the grid-connected operation is expounded. The methods of converting the grid-connected devices into UPFC, STATCOM and SSSC are discussed and the application of UPFC on the ice-melting line is also discussed. And the selec-tion principle and parameter calculation methods of each component of the composite device are summarized. Finally, the existing problems and new research direction of the VSC-HVDC parallel grid connected composite system are prospected. |
keywords:KEY WORDS:power transfer system paralleling composite system line melting ice |
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