摘要
针对楼宇办公用户,从用户谐波监测数据辨识用户设备组成及参数,提出一种用户谐波责任量化的全景分析方法。首先建立计及谐波耦合特性的用户等效谐波发射模型,采用预测-修正交替迭代的方式辨识用户参数,以用户设备单位容量典型参数作为初始值预测设备占比,然后固定占比以极大似然方法修正设备参数,此后依据用户设备组成及等效参数量化不同场景下用户谐波责任,实现用户谐波责任的全景量化分析,最后通过仿真验证该方法的有效性。
For building office users,a quantitative prediction method for harmonic responsibility of users is proposed.From the user’s harmonic monitoring data,firstly,a user harmonic emission model considering the characteristics of harmonic coupling is established,and a Prediction-Modified alternating iterative method is proposed,in which user parameters are predicted with forecasting the equipment proportion according to the typical parameters of user equipment unit capacity,and modifying the equipment parameters by the maximum likelihood method with fixed proportion.Next,according to the composition of the user’s equipment and equivalent parameters,the harmonic responsibility of the user in the deferent condition is quantified.Then,a panoramic analysis of harmonic responsibility of users is carried out.Finally,the effectiveness of the proposed method is verified by simulation.
作者
江信彬
邵振国
JIANG Xinbin;SHAO Zhenguo(College of Electrical Engineering and Automation Fuzhou University,Fuzhou 350108,China)
出处
《电气应用》
2022年第7期1-10,I0004,I0005,共12页
Electrotechnical Application
基金
国家自然科学基金项目(51777035)
福建自然科学基金重点项目(2020J02028)。
关键词
谐波发射模型
参数辨识
全景分析
谐波责任
harmonic emission model
parameter identification
harmonic responsibility
panoramic analysis
