现有的有源电力滤波器(Active Power Filter,APF)存在数据存储量小、历史数据少、远程监控能力差等问题,因此,需要有效地技术手段来解决这些问题。在230 M无线数传电台组网的电力负荷管理系统基础上,提出在有源电力滤波器的控制系统中...现有的有源电力滤波器(Active Power Filter,APF)存在数据存储量小、历史数据少、远程监控能力差等问题,因此,需要有效地技术手段来解决这些问题。在230 M无线数传电台组网的电力负荷管理系统基础上,提出在有源电力滤波器的控制系统中增加无线调制解调模块,通过DSP实现数字化的前向纠错算法,构建了可靠的无线远程监控系统。在无线数传电台组网的基础上,有源电力滤波器配合上位机的电力能效测评系统软件,实现了电力能效监测、无人值守运行、远程实时监控、数据动态显示、故障报警和历史数据查询等功能。实验证明,该方法可以有效地解决无线通信中信噪干扰和信号衰落问题,具有很好的检错纠错能力和较高的数据传输效率,从而对有源电力滤波器进行有效地监控,提高了供电系统的安全性能和管理水平。展开更多
A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The t...A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The topology of a single-phase CCM and DCM Boost-PFC switching converter was also analyzed.Its operating prniciples and control methods were expounded.Based on these,a new type of AC/DC switching converter circuits for PFC combined with one-cycle control technology was presented herein.The proposed AC/DC switching converter significantly helps improve the converter efficiency and its power factor value.展开更多
文摘现有的有源电力滤波器(Active Power Filter,APF)存在数据存储量小、历史数据少、远程监控能力差等问题,因此,需要有效地技术手段来解决这些问题。在230 M无线数传电台组网的电力负荷管理系统基础上,提出在有源电力滤波器的控制系统中增加无线调制解调模块,通过DSP实现数字化的前向纠错算法,构建了可靠的无线远程监控系统。在无线数传电台组网的基础上,有源电力滤波器配合上位机的电力能效测评系统软件,实现了电力能效监测、无人值守运行、远程实时监控、数据动态显示、故障报警和历史数据查询等功能。实验证明,该方法可以有效地解决无线通信中信噪干扰和信号衰落问题,具有很好的检错纠错能力和较高的数据传输效率,从而对有源电力滤波器进行有效地监控,提高了供电系统的安全性能和管理水平。
文摘A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The topology of a single-phase CCM and DCM Boost-PFC switching converter was also analyzed.Its operating prniciples and control methods were expounded.Based on these,a new type of AC/DC switching converter circuits for PFC combined with one-cycle control technology was presented herein.The proposed AC/DC switching converter significantly helps improve the converter efficiency and its power factor value.
