PMU (Phasor Measurement Unit) data communication

It is crutial that the sector entities responsible for the supervision and operation of the Brazilian electrical system have operational visibility over the electric network . To carry out the aforementioned functions, ONS (National Electrical System Operator) requires the implementation of Synchronized Phasor Measurement (SPMS – Synchronized Phasor Measurement Systems).

SPMS are platforms that collect electrical voltage and current measurements, with magnitude and phase information, at high acquisition rates and referenced on the same time base, and represented by synchrophasors.

PMU is the acronym for Phasor Measurement Unit, which is the equipment used to measure the amplitude and phase angle of electrical quantities in real time.

The satellite link for PMU data communication has several benefits compared to terrestrial links, such as greater reliability, wider territorial reach and more practical implementation.

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