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New optimal power-dispatch algorithm using Fletcher's quadratic programming method

New optimal power-dispatch algorithm using Fletcher's quadratic programming method

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  • Author(s): J. Nanda 1 ; D.P. Kothari 2 ; S.C. Srivastava 3
    • View affiliations
    • Affiliations: 1: Centre for Energy Studies, Department of Electrical Engineering, Indian Institute of Technology, New Delhi, India
      2: Centre for Energy Studies, Indian Institute of Technology, New Delhi, India
      3: Department of Electrical Engineering, Indian Institute of Technology, Kanpui, India
  • Source: Volume 136, Issue 3, May 1989, p. 153 – 161
    DOI:  10.1049/ip-c.1989.0022 , Print ISSN 0143-7046, Online ISSN 2053-7921
© The Institution of Electrical Engineers
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A fresh attempt has been made to develop a new algorithm for optimal power flow(OPF) using Fletcher's quadratic-programming method. The new algorithm considers two decoupled subproblems needing minimum cost of generation and minimum system-transmission losses. These have been solved sequentially to achieve optimal allocation of real and reactive power generation and transformer tap settings with consideration of system-operating constraints on generation, busbar voltage and line-flow limits. The potential of the new algorithm for OPF has been demonstrated through system studies for two IEEE test systems and an Indian system. Results reveal that the proposed new algorithm has potential for online solving of OPF problems.

Inspec keywords: load flow; load dispatching; power system analysis computing; quadratic programming

Other keywords: minimum cost of generation; minimum system-transmission losses; optimal power-dispatch algorithm; transformer tap settings; system-operating constraints; real power generation; busbar voltage; line-flow limits; quadratic programming method; optimal power flow; reactive power generation

Subjects: Power engineering computing; Optimisation techniques; Optimisation techniques; Optimisation; Power system management, operation and economics

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