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Reference: ISH2015_276

ISH Collection

Verification of a new Developed Algorithm for the Evaluation of AC and DC Signals using the IEC Test Data Generator



The use of digital recorder for AC and DC voltage and current measurements are quite common and therefore requirements from IEC are needed. The IEC 61083 will content in future not only the requirements for digital recorders and software for impulse voltage and current measurements but also for AC and DC signal recording and analysis. Similar to the existing recommendation for impulse measurements a so called Test Data Generator (TDG) was developed in order to simulate the behavior of a digital recorder and to check the software used for the evaluation of the relevant parameters of AC and DC voltages and currents. In this contribution a new analysis software is introduced and investigated in order to analyze AC and DC signals. The used algorithm is based on curve fitting methods in order to extract the main parameters of the input signal, such as peak value, RMS etc. The performance of this software was verified using reference waveforms that were generated by the Test Data Generator (TDG), thus the produced reference waveforms with known characteristics are used as input of the developed analyzer. The difference between the known parameters of the reference curves and the parameters calculated by the used algorithm are used for measurement uncertainty evaluations. These evaluations have been performed using various TDG-parameters in order to find sensitive parameters and their influences, which is described and discussed in details.

File Size: 495,3 KB

Year: 2015

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