Sampling primary power standard from DC up to 9 kHz using commercial off-the-shelf components

Mester, Christian

doi:10.23919/smagrimet48809.2020.9264003

2020 3rd International Colloquium on Intelligent Grid Metrology (SMAGRIMET) 2020

DOI: 10.23919/smagrimet48809.2020.9264003

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Sampling primary power standard from DC up to 9 kHz using commercial off-the-shelf components

Christian Mester

Abstract: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

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“…It can be set up for any number of phases. This system was presented at Smargimet 2020 [16]. For currents >21 A and voltages >700 V, the system has since been extended.…”

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confidence: 99%

Sampling Primary Power Standard from DC up to 9 kHz Using Commercial Off-The-Shelf Components

Mester

2021

Energies

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In the framework of the empir projects myrails and windefcy, metas developed a primary standard for electrical power using commercial off-the-shelf components. The only custom part is the software that controls the sampling system and determines the amplitude and phase of the different frequency components of voltage and current. The system operates from dc up to 9 kHz, even with distorted signals. The basic system is limited to 700 V and 21 A. Its power uncertainty is 15 μW/VA at power frequencies and increases to 1.8 mW/VA at 9 kHz. With the extension up to 1000 V and 360 A, the system reaches power uncertainties of 20 μW/VA at power frequencies, increasing to 510 μW/VA at 9 kHz. For higher voltages or higher currents, the same principle is used. However, the uncertainties are dominated by the stability of the sources. The voltage and current channels can also be used independently to calibrate and test power quality instruments. Thanks to a time-stamping system, the system can also be used to calibrate phasor measurement units, which are synchronised to utc.

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“…It can be set up for any number of phases. This system was presented at Smargimet 2020 [16]. For currents >21 A and voltages >700 V, the system has since been extended.…”

mentioning

confidence: 99%

Sampling Primary Power Standard from DC up to 9 kHz Using Commercial Off-The-Shelf Components

Mester

2021

Energies

Self Cite

View full text Add to dashboard Cite

show abstract

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Sampling primary power standard from DC up to 9 kHz using commercial off-the-shelf components

Abstract: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Cited by 1 publication

References 25 publications

Sampling Primary Power Standard from DC up to 9 kHz Using Commercial Off-The-Shelf Components

Sampling Primary Power Standard from DC up to 9 kHz Using Commercial Off-The-Shelf Components

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