本文所做主要工作有：
1）简要介绍了主动配电网的基念。
2）研究了主动配电网中各个主要组成部分的模型，包括变型、输电型、负型和DG模型，并根据主动点，建立了网评价指标体系。
3）分析并搭建了主动配电网基本模型，并对主动配电网的4项电能质量指标进行了分析，包括谐变、电差、三相衡和电压闪变。
4）分析了分布式电源接入主动配电网后的电能质量问题，提出了主动配电网电能质新指方法，通过电量变化量指统指标来评估主动配质量，并对算例进行了分究，表明了该方效性。(The main work of this paper is as follows:
1) the basic concept of active distribution network is briefly introduced.
2) the main components of the active distribution network are studied, including variant, transmission, negative and DG models, and the evaluation index system is established according to the active point.
3) the basic model of active distribution network is analyzed and constructed, and 4 power quality indexes of active distribution network are analyzed, including harmonic, power difference, three-phase voltage and voltage flicker.
4) analysis of the DG active distribution network power quality problems, the proposed active power quality refers to the new method, the index to evaluate the quality of the power variation with active means, and examples for the study points, show that the effectiveness of the party.)