WU Yanping,YAO Jianguo,CHANG Naichao,et al.Design and Implementation of Multi-functional Wide-frequency Measurement Device[J].Automation of Electric Power Systems,2020,44(20):136-141.
WU Yanping,YAO Jianguo,CHANG Naichao,et al.Design and Implementation of Multi-functional Wide-frequency Measurement Device[J].Automation of Electric Power Systems,2020,44(20):136-141. DOI: 10.7500/AEPS20191126004.
Design and Implementation of Multi-functional Wide-frequency Measurement Device
According to the wide-frequency characteristics of electric variables in the power electronized power grid
this paper designs a multi-functional wide-frequency measurement device. Based on high-speed synchronous sampling
the device is optimized to integrate such functions as wide-frequency oscillation detection
synchrophasor measurement and wide-frequency (inter)harmonics measurement. The algorithm models of transient variables
phasors and effective values are synthetically used to improve the monitoring and detection ability of wide-frequency electric variables with different signal structures. Considering both stable and non-stable conditions
the comprehensive detection of power frequency
non-power frequency components and oscillation power in the range of 0~2 500 Hz is realized
which provides targeted data for the research of generation mechanism
propagation path
analysis and control method of wide-frequency electric variables. The multi-functional wide-frequency measurement device realized in this paper has passed the test and been applied in pilot projects.
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