A New Measurement Method for Supraharmonics in 2-150 kHz

被引：0
|
作者：
Zhuang, Shuangyong [1 ]
Zhao, Wei [1 ]
Wang, Qing [2 ]
Huang, Songling [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[2] Univ Durham, Dept Engn, Durham DH1 3LE, England
来源：
2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018) | 2018年
关键词：
Compressive sensing; orthogonal matching pursuit; power electronics; supraharmonics; measurement; SIGNAL RECOVERY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The 32 equal-width segments supraharmonics measurement method, recommended in the newly revised standard IEC 61000-4-30, has some disadvantages, such as the large frequency resolution, and the large effect of spectral leakage. To overcome this, a new measurement method for supraharmonics in 2-150 kHz based on compressive sensing is proposed. Simulation results and measured data analysis indicate that the proposed approach can overcome DFT algorithm's limitation, and the frequency resolution can be improved by an order-of-magnitude without extending the signal's observation time. The amplitude of supraharmonics can also be calculated accurately.
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页数：2
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