Optimal power flow in transmission networks

Optimal power flow in transmission networks

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This chapter has been focused on application of metaheuristic population-based optimization methods to solution of the OPF problem.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Literature overview
  • 6.3 Formulation of the OPF problem
  • 6.3.1 Equality constraints
  • 6.3.2 Inequality constraints
  • 6.3.3 Objective function
  • Minimization of fuel cost
  • Minimization of active power loss
  • Voltage-profile improvement
  • Voltage-stability enhancement
  • 6.3.4 Multiobjective function
  • Minimization of fuel cost and active power loss
  • Minimization of fuel cost and voltage deviation
  • Minimization of fuel-cost and voltage-stability index
  • Other multiobjective functions
  • 6.3.5 Transient-stability-constrained OPF
  • 6.4 Solution methodology for OPF problem
  • 6.4.1 Overview of PSO
  • 6.4.2 Application of PSO to the OPF problem
  • 6.4.3 Overview of GSA
  • 6.4.4 Application of GSA to the OPF problem
  • 6.4.5 Overview of hybrid PSOGSA
  • 6.4.6 Application of PSOGSA to the OPF problem
  • 6.5 Simulation results
  • 6.5.1 IEEE 30-bus test system
  • Case 1: minimization of fuel cost
  • Case 2: minimization of fuel cost with considering the valve-point effect
  • Case 3: minimization of fuel cost and active power loss
  • Case 4: minimization of fuel cost and voltage deviation
  • Case 5: minimization of fuel cost and voltage-stability index
  • Comparative study
  • 6.5.2 IEEE 118-bus test system
  • 6.6 Solution software—opfgui
  • 6.7 Conclusion
  • References

Inspec keywords: optimisation; transmission networks; load flow

Other keywords: OPF problem; optimal power flow; metaheuristic population-based optimization methods; transmission networks

Subjects: Optimisation techniques; Power transmission, distribution and supply

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