The existing medium voltage grid topology is mapped schematically and not to scale on a background map.
Shown in green colour are the lines or nodes in the medium voltage grid, to which an input power of up to 750 kW according to the 2-% voltage stroke criterion according to VDE-AR-N 4110 could be included. On lines and knots colored orange, the capacity is limited.
The map’s plan/data status can be extracted from the legend. Ongoing or commissioned construction measures are not shown in the map. Connection requests received after the plan/data status of feed-in users are not taken into account.
The graphical representation is based on the calculation of the maximum permissible voltage stroke (2 % criterion) according to VDE-AR-N 4110. The possible network linking points are only considered as information for medium-voltage feeders and not as binding feed-in pre-remarks.
Further technical connection criteria and parameters will only be checked during the mandatory network impact assessment. This can lead to an assignment from a more distant network link point.
In particular, the following parameters are untested:
Short-circuit strength,
Separation point optimisation,
Earth leakage current compensation,
Load on the HS/MS mains transformers;
Electricity bottlenecks in the medium voltage grid,
Compliance with absolute voltage limits,
Compliance with the permissible network retroactivity/shaft limits;
Compliance with conductor rope ground spacing of medium-voltage overhead lines;
Technical connection on site,
Application of peak capping methods (e.g. from the FNN method “flat-rate peak capping with uniform reduction factors”),
individual rights of use of individual customers for medium-voltage lines,
temporarily operated with 20 kV 110 kV overhead line systems,
Bottlenecks in upstream grids
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