目次前言...................................................................................................................................................................................Ⅲ1范围.............................................................................................................................................................................12规范性引用文件.........................................................................................................................................................13术语和定义.................................................................................................................................................................14分类.............................................................................................................................................................................24.1按有无直流环节4.2按直流电源性质……………………………………………………………………………………2……………………………………………………………………………………35额定值..........................................................................................................................................................................35.1输入额定值5.2输出额定值5.3工作制等级…………………………………………………………………………………………3…………………………………………………………………………………………3…………………………………………………………………………………………36使用条件.....................................................................................................................................................................46.1环境使用条件6.2电气使用条件………………………………………………………………………………………4………………………………………………………………………………………57技术要求.....................................................................................................................................................................67.1外观及机械性能.................................................................................................................................................67.2安全要求..............................................................................................................................................................77.3防护等级..........................................................................................................................................................117.4噪声..................................................................................................................................................................127.5保护功能..........................................................................................................................................................127.6网侧谐波电流..................................................................................................................................................127.7输出电压不对称率.........................................................................................................................................137.8额定输出频率..................................................................................................................................................137.9频率分辨率.......
