Design for Harmonic Control in Low -voltage Distribution System in Office Buildings

Du Yiwei （China Southwest Architectural Design and Research Institute CORP. LTD, Chengdu 610081, China）

 Abstract There are a large number of low-power single-phase non-linear loads with serious harmonic pollution, mainly third harmonic in office buildings. Control and preventive measures should be taken in its low-voltage distribution system on the basis of the characteristics of the harmonic sources. In this paper, through the analysis of the measurement results of the harmonics in distribution system of an office building, a harmonic control design for a new office building is introduced.

Key　words Office building　Harmonic source　Passive filter　Active power filter

摘 要 办公建筑具有大量小功率的单相非线性负荷，谐波污染严重，并以 3 次谐波为主。其低压配电系统应根据谐波源特点采取治理和防范措施。通过分析某办公建筑配电系统谐波实测结果，介绍了某新建办公建筑的谐波治理设计。

关键词 办公建筑 谐波源 无源滤波器 有源电力滤波器