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New Relè CEI 0-21

The new MI SPI Interface Protection Relè is designed to meet the needs of the photovoltaic market, in accordance with the IEC 0-21 requirements, June 2012 edition.

It is applied in all BT generation systems (photovoltaic, wind, biomass, etc.) connected in parallel to the distributor grid. It controls voltage and frequency: if system parameters exceed fixed thresholds it provides a detachment of the distributed generation (DG).

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