Etap Balkan Authorized Representative for the Balkan Region
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Optimal Power Flow

The Optimal Power Flow module is an intelligent load flow that employs techniques to automatically adjust the power system control settings while simultaneously solving the load flows and optimizing operating conditions within specific constraints. Optimal Power Flow uses state-of-the-art techniques including an interior point method with barrier functions and infeasibility handling to achieve ultimate accuracy and flexibility in solving systems of any size.

Optimum Power Flow Key Features

  • Solve multiple objectives simultaneously
  • Use interior point method with barrier functions
  • Minimize active and reactive power losses
  • Active power optimization
  • Reactive power optimization
  • Optimal generation dispatch
  • Real power generation controls
  • Reactive power generation or generator voltage controls
  • Capacitor bank or SVC controls

Optimal Power Flow Capabilities

  • Component & operating constraints
  • Transmission line interface limit constraints
  • Bus voltage constraint with weighting factors
  • Branch flow constraint with weighting factors
  • Control limit constraints
  • Diverse operating conditions
  • Multiple loading categories
  • Global & individual bus diversity factors
  • Multiple demand factors
  • Unlimited configurations
  • Different nameplate data
  • Produce results with incredible speed
  • User-controlled infeasibility handling

Flexible Operation

  • Comprehensive objectives & constraints
  • Accurate AC model
  • Increase system efficiencies
  • Reduce operating costs
  • Improve electrical system performance
  • Increase reliability
  • Strengthen security
  • Short-term & long-term planning
  • State-of-the-art interior point algorithm
  • Logarithmic barrier functions (handles equality & inequality constraints)
  • Controlled solution parameters


  • Minimize system real & reactive power losses
  • Minimize generation fuel costs
  • Minimize system energy costs
  • Maximize system performance
  • Optimize power exchange with other systems (on-site generation, utilities, IPP’s, & power grids)
  • Minimize load shedding
  • Minimize generator fuel cost or heat rate with different cost models & fuel profiles
  • Control generator’s MW (governor) & MVAR
  • (AVR) settings within the specified limits
  • Control voltage regulators (transformer tap positions) within the specified limits
  • Size capacitors within the specified limits
  • Maximize voltage & flow security indices
  • Determine control settings


  • Flag critical & marginal cable temperatures
  • Report all physical & calculated optimal settings
  • Use Crystal Reports® for full color, customizable reports
  • Export output reports to your favorite word processor
  • Graphical display of results
  • Report altered changes


ETAP Balkan, Nispetiye Mahallesi, Gazi Güçnar Sokak, Uygur İş Merkezi, No:4A, Beşiktaş, İstanbul 34340 TURKEY