[Oral Presentation]Dynamic Ripple Tracking Method in DC Distribution Network

Dynamic Ripple Tracking Method in DC Distribution Network
ID:49 Submission ID:89 View Protection:ATTENDEE Updated Time:2023-11-20 13:45:36 Hits:179 Oral Presentation

Start Time:2023-12-09 10:00 (Asia/Shanghai)

Duration:15min

Session:[S4] Power system and automation » [S4] Power system and automation

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Abstract
针对直流配电网动态纹波监测和电能计量的迫切需求,提出一种直流电网动态纹波跟踪方法。首先,考虑波纹的动态特性,引入泰勒级数建立动态纹波表示模型;同时,利用快速傅里叶变换(FFT)对单频数据纹波的频域信息进行分析,并采用迭代插值和多项式拟合校正方法进行频率估计。其次,采用基于粗测频率、离散傅里叶变换结果校正和最小二乘法的离线矩阵计算,得到准确的纹波参数值;最后,通过在频率斜坡变化、幅度变化和频率同时振荡等动态条件下进行仿真,实现了动态纹波的精确测量。
Keywords
Ripple; Dynamic; DC distribution network; Frequency estimation
Speaker
Hongyan Li
1/5000 翻译 There is Southwest Jiaotong University

Submission Author
Hongyan Li Southwest Jiaotong University
Ling Fu Southwest Jiaotong University
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