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NETWORK STUDIES &
CONNECTION PLANNING

The supply structure is in a change. The extension of renewable energies and the cost pressure of incentive regulation demand for a specific strategy for sustainable network structures. With our network studies we offer to our partners efficient solutions for a safe and economic network.

 

PRINCIPLE AND EXTENSION PLANNING

We develop network concepts helping you to determine your investment strategy.

 

  • Technical and economical network analysis
  • GIS-supported extension variations
  • Strategically aimed long-term network planning
  • Optimum plant design
  • Structural and operational failure analysis (n-1) criterion
  • Determination of the demand for renewal and potential for dismantling
  • Shortage analysis

 

NETWORK PROTECTION

We workout protection and relay concepts for the reliable supply of critical infrastructures.

  • Modeling of protection relays in your network
  • Rating and coordination of overcurrent and distance protection devices
  • Selectivity check
  • Current/time/impedance diagrams
  • Motor protection with dynamic motor startup simulation
  • Examination of neutral point processing

 

CONNECTION EXAMINATION AND PLANNING

We examine and plan the network connection to successfully integrate generation plants and battery stores.

 

  • Connection voltage for wind energy and photovoltaic plants, conventional  generation plants and battery stores
  • Network compatibility check of decentralised generation plants
  • Determination of the technically and economically most favourable connection  point
  • Check of connection conditions (Grid-Codes)
  • Simulation of statistic and dynamic network support (Low-Voltage- / Fault-Ride-Through)

 

RELIABILITY CALCULATION

We evaluate the measures for network planning and operation with regard to reliability of support.

 

  • Probalistic reliability analysis
  • Determination of the system parameters according to DISQUAL (interruption frequency, –duration, non-availability)
  • Quantification of network variations
  • Determination of the week points by fault effect analysis

NETWORK STUDIES AND CONNECTION PLANNING

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