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A practical validation method of estimated primary samples obtained by DSE-based instrumentation channel error correction
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DOI：10.1016/j.epsr.2021.107579.png)
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Abstract
En 中文
This paper presents a practical validation procedure of the estimated primary samples obtained by DSE-based instrumentation channel error correction. With our previously published research of DSE-based instrumentation channel error correction, the accurate estimation of primary samples can be obtained. The conventional way to validate the estimated primary samples relies on comparing the estimated primary samples with the actual ones. However, this conventional validation method won't work in industry practice since the actual primary samples cannot been known in industry field. The proposed validation procedure aims to validate the estimated primary samples without the knowledge of actual primary samples. The proposed validation method is based on the comparison of substation-wide dynamic state estimation (SDSE) results obtained using the legacy primary samples and the estimated primary samples, respectively. The proposed method derives three validation indicators to validate the estimated primary samples. The validation results have been demonstrated by numerical experiments.
Keywords:
Substation with MU
Instrumentation channel error
Estimated primary samples validation
SDSE
Journal
IF:
4.2
Papers:
1.1W
Citations:
2.2W