J.-L. Kuo, T.-Y. Wang, and J.-D. Lee (Taiwan)
Electromagnetic susceptibility, digital protecting relay, IEC standard, power quality.
This paper will discuss the EMS (electromagnetic susceptibility) test procedure for the digital protecting relay. The tested EUTs for the EMS test comprise the microprocessor and the power supply of the digital protecting relay. In this paper, an EMS equipment will be employed to program several test waveforms based on the IEC power quality measurement standard such as IEC1000-4-11 for testing the EUTs, so that the digital protecting relay can meet the product gauge.
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