TELE grid and system protection –
With more and more renewable energy feeders the grid is becoming more unstable and the standards for components are constantly changing. The new C10-11 standard of the energy supplier Belgium as well as the European standard EN50549 require zero voltage detection and activation of a narrower frequency window in the event of a fault.
This is intended to detect faults and short circuits in the higher-level medium-voltage network so that the network can be stabilized in good time. In order for devices for safe network separation to be able to do this, they must be able to calculate the so-called zero voltage or zero sequence. The NA003-M64 from TELE Haase now has this function integrated and is thus fit for international use.
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