In order to improve the power factor of the circuit, the article takes STM32 as core circuit to development reactive power compensation controller for low voltage intelligent reactive compensation. Circuit can detect ...In order to improve the power factor of the circuit, the article takes STM32 as core circuit to development reactive power compensation controller for low voltage intelligent reactive compensation. Circuit can detect electricity distribution network parameters, and send messages to mobile phone via SMS text messages by TC35 module, remote control compensation capacitor configuration parameters. Circuit with a flexible, reliable, convenient and practical features. This paper analyzes the structure of the controller hardware and software, and describes the hardware schematic circuit diagram and software diagram of the controller. Controller with integrated control, maximize the use of compensating equipment to improve grid power quality.展开更多
为了实现低成本、精确地大容量无功补偿,设计了一种基于"SVG+智能电容"混合式无功补偿系统。系统由一台高精度补偿的小容量静止无功发生器(Static Var Generator,SVG)和多台智能电容组成。首先对混合系统中SVG的电流跟踪控制...为了实现低成本、精确地大容量无功补偿,设计了一种基于"SVG+智能电容"混合式无功补偿系统。系统由一台高精度补偿的小容量静止无功发生器(Static Var Generator,SVG)和多台智能电容组成。首先对混合系统中SVG的电流跟踪控制进行分析,针对PI控制对周期性信号跟踪性差和重复控制在负载突变时导致补偿电流畸变的问题,提出采用加权式并联型重复控制的电流跟踪控制策略。然后对整体系统的运行特性进行分析,给出系统无功分配控制方法。最后以TMS320F28335作为混合式系统的核心控制器,设计了一套混合式无功补偿系统。通过仿真和试验结果表明,混合无功补偿系统可以对无功电流进行有效的补偿。展开更多
描述了低压配电系统无功补偿的现状和特点,分析了电容组的接线方式和电容投切时的电流冲击现象;介绍了面向此应用对象的基于16 b it PIC18F458单片机的智能无功补偿控制器。该控制器具有高性能、低价位、高可靠性和配置灵活等特点。阐...描述了低压配电系统无功补偿的现状和特点,分析了电容组的接线方式和电容投切时的电流冲击现象;介绍了面向此应用对象的基于16 b it PIC18F458单片机的智能无功补偿控制器。该控制器具有高性能、低价位、高可靠性和配置灵活等特点。阐述了该系统的检测原理和补偿控制策略及硬件结构和软件流程。展开更多
文摘In order to improve the power factor of the circuit, the article takes STM32 as core circuit to development reactive power compensation controller for low voltage intelligent reactive compensation. Circuit can detect electricity distribution network parameters, and send messages to mobile phone via SMS text messages by TC35 module, remote control compensation capacitor configuration parameters. Circuit with a flexible, reliable, convenient and practical features. This paper analyzes the structure of the controller hardware and software, and describes the hardware schematic circuit diagram and software diagram of the controller. Controller with integrated control, maximize the use of compensating equipment to improve grid power quality.
文摘为了实现低成本、精确地大容量无功补偿,设计了一种基于"SVG+智能电容"混合式无功补偿系统。系统由一台高精度补偿的小容量静止无功发生器(Static Var Generator,SVG)和多台智能电容组成。首先对混合系统中SVG的电流跟踪控制进行分析,针对PI控制对周期性信号跟踪性差和重复控制在负载突变时导致补偿电流畸变的问题,提出采用加权式并联型重复控制的电流跟踪控制策略。然后对整体系统的运行特性进行分析,给出系统无功分配控制方法。最后以TMS320F28335作为混合式系统的核心控制器,设计了一套混合式无功补偿系统。通过仿真和试验结果表明,混合无功补偿系统可以对无功电流进行有效的补偿。