目录摘要...................................................................................................................................................1Abstract............................................................................................................................................3第一章引言......................................................................................................................................51.1研究背景..............................................................................................................................................51.2研究现状..............................................................................................................................................51.3研究工作..............................................................................................................................................6第二章电能质量及其分析方法.......................................................................................................82.1电能质量定义......................................................................................................................................82.2电力系统频率偏差..............................................................................................................................82.3供电电压允许偏差............................................................................................................................102.4公用电网谐波....................................................................................................................................122.5电压波动和闪变................................................................................................................................132.6三相电压不平衡度............................................................................................................................152.7常见的电能质量分析方法...................................................
