期刊
IEEE TRANSACTIONS ON POWER SYSTEMS
卷 36, 期 6, 页码 5612-5621出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2021.3072882
关键词
Phasor measurement units; Harmonic analysis; Power system harmonics; Frequency measurement; Monitoring; Data compression; Standards; Continuous point-on-wave (CPOW) measurement; phasor measurement units (PMU); subband compression; adaptive data compression; wide-area monitoring systems (WAMS); real-time monitoring and control
资金
- National Science Foundation [1932501, 1816397]
- Direct For Computer & Info Scie & Enginr
- Division of Computing and Communication Foundations [1816397] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1932501] Funding Source: National Science Foundation
The ASBC technique achieves real-time streaming of high-resolution continuous waveforms and PMU measurements through adaptive subband compression. The technology conforms to industry standards and effectively reduces the sampling rate of CPOW.
A data compression system capable of providing real-time streaming of high-resolution continuous point-on-wave (CPOW) and phasor measurement unit (PMU) measurements is proposed. Referred to as adaptive subband compression (ASBC), the proposed technique partitions the signal space into subbands and adaptively compresses subband signals based on each subband's active bandwidth. The proposed technique conforms to existing industry phasor measurement standards, making it suitable for streaming high-resolution CPOW and PMU data either in continuous or burst on-demand/event-triggered modes. Experiments on synthetic and real data show that ASBC reduces the CPOW sampling rates by several orders of magnitude for real-time streaming while maintaining the precision required by industry standards.
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