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ElspecModel G5PMU -G5 Phasor Measurement Unit with PQZIP Technology

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The G5 Phasor Measurement Unit (PMU) by Elspec is designed to enhance the monitoring and analysis of power systems by delivering high-resolution synchrophasors using its advanced PQZIP technology. This unit supports dynamic monitoring with its capability to measure synchrophasors at an exceptionally high resolution. It complies with the most updated IEEE C37.118-2011 and IEC/IEEE 60255-118-1-2018 standards, guaranteeing accuracy and reliability in synchrophasor measurements. The G5PMU is equipped to manage two independent synchrophasor data streams with differing report rates, performance classes, or data types simultaneously, thereby optimizing utility operations and communications. It features a groundbreaking data compression algorithm, yielding a compression ratio of 1000:1 by extending synchrophasor data to non-fundamental frequencies, which allows for continuous waveform recording at high sampling rates. This functionality significantly reduces storage requirements, enabling the device to record comprehensive electrical waveforms for extended periods.

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The G5PMU is a fully featured Phasor Measurement Unit (PMU) equipped with PQZIP technology. Its ability to measure synchrophasors at high resolution make it valuable to the dynamic monitoring systems in the energy supply system.

PQZIP inside
The G5PMU continuous waveform recording enables the analysis of 511 harmonics, subharmonics and fast transients

Superior Transmission Rate
With transmission rate of up-to 200/240 frame per second (50/60Hz), the G5PMU exceed C37.118 Synchrophasor requirements for both M and P classes.

P & M Class simultaneously
The G5PMU can transmit both P and M classes simultaneously at two different transmission rates to two different destinations.

Synchronized Monitoring
Time accuracy higher than 1 μs can be achieved with GPS and PTP time source with an automatic hierarchy for the preferred source availability (accuracy based hierarchy).