Construction, commissioning and use of a test bench for smart meter accuracy verification
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Date
2015-01-14
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Abstract
As a result of the ever-increasing share of renewable
energies in electricity production and the associated volatile
supply of renewable generation facilities, overvoltages going
beyond the norm already occur today. To counter this and to be
able to intervene, the relevant operational values have to be
known. This paper describes the construction, commissioning
and use of a test bench to verify the accuracy of smart meters
deployed for the determination of operating variables. The
accuracy of a specific smart meter is verified at the previously
developed test bench under the utilization of various test
methods, to review the functionality of the test bench. The
construction of the test bench and its software allow to check all
measurable factors of different smart meter models and make the
individual creation and customization of measurement methods
possible. The results of the exemplary measurements show that
gross errors occur both in the averaging of the angle
measurements as well as for the measurement-period adjustment.
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Keywords
smart meter, accuracy verification, renewable energy, calibration, test bench