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SPWM逆变电源的无互联信号线并联控制技术
引用本文:姜桂宾,裴云庆,杨旭,王兆安.SPWM逆变电源的无互联信号线并联控制技术[J].中国电机工程学报,2003,23(12):94-98.
作者姓名:姜桂宾  裴云庆  杨旭  王兆安
作者单位:西安交通大学电气工程学院,陕西,西安,710049
基金项目:国家自然科学基金(50107009)~~
摘    要:该文提出了一种可适用于分布式发电系统或大容量UPS系统的高性能数模混合型逆变电源无线并联控制方案。这种控制技术以DSP为核心,通过检测逆变电源自身的输出功率来对高性能模拟SPWM逆变电源的电压幅值及频率进行下垂控制,从而实现了逆变电源的并联同步运行。实验结果表明,逆变电源均分负载电流的效果很好,逆变电源之间的环流很小。

关 键 词:SPWM  逆变电源  逆变器  信号线  并联控制  分散逻辑控制
文章编号:0258-8013(2003)12-0094-05
修稿时间:2003年4月28日

PARALLEL OPERATION OF SINUSOID WAVE INVERTERS WITHOUT CONTROL INTERCONNECTIONS
JIANG Gui-bin,PEI Yun-qing,YANG Xu,WANG Zhao-an.PARALLEL OPERATION OF SINUSOID WAVE INVERTERS WITHOUT CONTROL INTERCONNECTIONS[J].Proceedings of the CSEE,2003,23(12):94-98.
Authors:JIANG Gui-bin  PEI Yun-qing  YANG Xu  WANG Zhao-an
Abstract:This paper presents a new control scheme which allows wireless-paralleled inverters to share linear or nonlinear load. It can be used in large scale UPS systems and distributed power systems. This control scheme is based on DSP to measure output power of high performance inverter modules, and it based on frequency-droop and amplitude-droop scheme to control the output voltage. The high performance inverter modules have inner filter capacitor current loops; and the output voltage can maintain high-quality sine-wave. An experiment system was built to verify this control scheme, and the results indicate the inverters in parallel connection realize load current sharing.
Keywords:SPWM inverter  Wireless parallel oporation  Load sharing
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