准同步采样法在有源电力滤波器中的应用  

Application of quasi-synchronous sampling method in the active power filter

作　　者：胡丽丽[1] 吴旭光[1] 董卫民[1] 

机构地区：[1]西北工业大学航海学院,陕西西安710072

出　　处：《工业仪表与自动化装置》2010年第6期45-47,64,共4页Industrial Instrumentation & Automation

摘　　要：介绍了准同步采样方法在有源电力滤波器系统中的应用,叙述了系统的硬件设计方案及软件算法设计流程。通过仿真和原理样机相结合的方法,对该设计的合理性进行了有效的验证。试验表明:准同步采样方法可以有效地减小因为频率偏差所引起的电网参数的同步误差,提高了其准确度;能有效抑制谐波、动态补偿无功功率,并且拥有友好的人机界面。系统的开发具有很好的应用前景。This paper introduced the quasi-synchronous sampling method in active power filter system,and described the system hardware and software algorithm design.Through simulation and the prototype combination of methods,targeting the use of synchronous sampling method and system rationality of the design for effective verification.The results showed that the application of quasi-synchronous sampling method can be effective in reducing the frequency deviation caused by the network parameters synchronization error and improve their accuracy.The same time,the system designed to meet the required harmonic suppression,dynamic role of reactive power compensation and have a friendly interactive interface.The development of this system has good application prospects.

关 键 词：准同步采样 同步误差 抑制谐波 补偿无功功率 

分 类 号：TP316[自动化与计算机技术—计算机软件与理论]