能馈式电子模拟功率负载是一种用于各种直流电源出厂试.doc

 能馈式电子模拟功率负载是一种用于各种直流电源出厂试... 摘要：无论指令信号是正弦还是非正弦,其相位可以在(四象限)...再考虑IGBT导通电压损失,线路电压损失,二极管导通...的单周期完成.如此高的性能可以对非常复杂的控制算法... 关键词：论,导,算法 类别：专题技术 来源：牛档有哪些信誉好的足球投注网站（Niudown.COM）  　　本文系牛档有哪些信誉好的足球投注网站（Niudown.COM）根据用户的指令自动有哪些信誉好的足球投注网站的结果，文中内涉及到的资料均来自互联网，用于学习交流经验，作品其著作权归原作者所有。不代表牛档有哪些信誉好的足球投注网站（Niudown.COM）赞成本文的内容或立场，牛档有哪些信誉好的足球投注网站（Niudown.COM）不对其付相应的法律责任！  录 摘要················································1 Abstract············································2 概述·······································3 系统分析···································6 §2.1 负载模拟原理·······························6 2.1.1 试验系统原理·······························6 2.1.2 等值电路和数学模型·························6 §2.2 工业控制机集中控制系统·····················8 §2.3 负载模块实现方案···························9 §2.4 逆变部分分析······························11 §2.5 逆变部分控制研究··························14 直直变换器································17 §3.1 全桥变换器工作原理························17 3.1.1 基本工作原理······························17 3.1.2 电流模式控制原理··························18 §3.2 主电路结构及参数选择······················19 3.2.1 主电路原理图······························20 3.2.2 开关器件的选择····························20 3.2.3 高频变压器的设计··························21 3.2.4 输出滤波电感的选择························22 3.2.5 输出整流电路设计··························22 §3.3 控制部分实现······························23 §3.4 并联实现方式······························25 逆变部分设计······························26 §4.1 主电路结构及参数选择······················26 4.1.1 主开关管的选择····························26 4.1.2 交流侧滤波电感的选择······················27 4.1.3 直流侧滤波电容的选择······················27 §4.2 控制电路实现······························28 4.2.1 TMS320F240简介···························28 4.2.2 控制电路原理框图··························29 §4.3 驱动及保护电路设计························30 4.3.1 驱动电路的设计····························30 4.3.2 缓冲吸收电路的设计························31 4.3.3 保护电路的设计····························32 §4.4 滞环电流控制的DSP实现····················35 4.4.1 控制方法硬件实现··························35 4.4.2 DSP软件流程图····························36 4.4.3 控制延时分析··········