Smartification of energy distribution networks
The distribution grid is the backbone of the energy transition. Over 1.5 million decentralised systems feed over 90 percent of the energy they generate into the grids of the distribution system operators. Added to this is the steady growth in e-mobility. These changes have a significant impact on the low-voltage distribution grids, as the grids were not designed for this.
In order to recognise critical conditions at an early stage, local grid stations, cable distribution cabinets or energy distribution systems need to be equipped with smart measurement technology to monitor the grid load and quality. The existing framework conditions must be taken into account here: limited space, cost-effectiveness and scalability.
EFEN offers a multi-stage concept for smart retrofitting of existing systems. From pre-wired NH fuse-switches ready for connection with integrated small signal transformers or current transformers, to MEM modules for recording and transmitting the values to energy management systems via Modbus, to convenient monitoring and visualisation of the grid status
in cable distributors or local network stations.
Retrofitting electricity measurement in existing energy distribution grids
In conjunction with the E3 and E4 NH fuse-switches sizes 2 and 3 sizes 2 and 3, the MEM 1 measured value acquisition module offers a quick and easy way to retrofit the complete current measurement in existing energy distribution networks and systems.
All relevant data for a grid analysis (current, voltage) is collected via 3 voltage inputs and made available to measuring devices or energy management systems via two integrated RS485 interfaces using the Modbus RTU protocol.
The fuse protection for the voltage measurement is integrated in the MEM 1 and executed in CAT IV.
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