Distribution Networks

The transition of power generation to renewable energy sources, which is progressing on a global scale, causes changes in the requirements regarding the planning and operation of reliable distribution networks. For example, more than 90% of the installed capacity of peripheral generating plants in Germany have already been connected to the heterogeneous distribution network levels of the low-, medium- and high-voltage networks. For the network operators, the statutory obligation to connect renewable energy sources results in high requirements to maintain technically safe and stable networks. So far, these requirements have been met by expanding the grid territories primarily in rural areas.

DIgSILENT assists distribution network operators with the optimal planning and design of their networks.

Consulting Services - Overview

  • Target network planning
  • Structured analysis of given network topologies; concepts for change
  • Comprehensive assessment of connection concepts (e.g. looping in and T-branches)
  • Potential profile optimisation
  • Reactive power exchange with other networks (distribution, transmission level)
  • Analyses of load profiles
  • Assessment of neutral point treatment concepts
  • Optimal future neutral point treatment
  • Interaction of neutral point treatment and requirements regarding earthing systems
  • Technical and economic assessments
  • Determination of the power loss on all network levels based on real or specific reference networks
  • Network restructuring and optimisation
  • Analysis of the criteria for the assessment of the power quality (e.g. measurement)
  • Propagation of harmonics between network levels
  • Design of compensation systems
  • Quality of supply as part of the security of supply
  • Optimised integration of peripheral generating plants (objective: minimum network expansion)
  • Optimisation of system operation (e.g. switching sequences, maintenance processes)
  • Identification of regional characteristics in distribution networks
  • Specified and regional requirements regarding the electrical properties of generating plants
  • Islanding and network restoration
  • Electromagnetic fields (e.g. in public areas)
  • Objective assessment of damage; analyses of the cause of damage



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