P847 Phasor Measurement Unit

AREVA' s new P847 Phasor Measurement Unit (PMU) is used to measure power system data in real time and report to a Phasor Data Concentrator for visualization, data storage and most importantly for running a variety of 'on line' and 'off line' applications in wide area control and protection. It is GPS synchronized and exceeds the requirements of IEEE C37.118 Level 1 with enhanced performance under off-nominal and dynamic system conditions due to an advanced frequency tracking algorithm.
The transmitted signals are phase currents, voltages, their derivatives, frequency, rate of change of frequency and 8 digital signals, all at speeds up to 50/60 frames per second. P847 also provides a wide range of protection and recording functions.


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