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The paper presents different test methods for PMU (Phasor Measurement Unit) during transients in detail and shows practical results from tests of PMU from various vendors. The authors emphasize transients, because the measurement of stationary signals and their accuracy is already defined in IEEE C37.118. However, with the exception of step functions no dynamic signals are considered. The results...
Shrinking process tolerances due to decreasing device sizes and increasing chip complexity in semiconductor manufacturing are motivating efforts to improve methods of equipment data acquisition (EDA). Prior work shows that the lack of precise time-stamping and clock synchronization is a critical hindrance to reliable data acquisition and real-time process control systems. The ultimate goal in the...
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