Network equivalents and expert system application for voltage and VAR control in large-scale power systems

@article{Le1997NetworkEA,
  title={Network equivalents and expert system application for voltage and VAR control in large-scale power systems},
  author={Tan Loc Le and Michael Negnevitsky and Marian Piekutowski},
  journal={IEEE Transactions on Power Systems},
  year={1997},
  volume={12},
  pages={1440-1445},
  url={https://api.semanticscholar.org/CorpusID:111232781}
}
Practical application of the developed expert system is demonstrated on the example of the Hydro-Electric Commission (HEC) power system of Tasmania, however the proposed approach is not limited by the system size.
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45 Citations

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10 References

Expert system application for voltage control and VAR compensation

A new approach for voltage control and reactive power (VAR) compensation in electric power systems using steady state network equivalents and expert system techniques is introduced.

An Expert System Assisting Decision-Making of Reactive Power/Voltage Control

In this paper, production rules are proposed to perform the above functions and theoretical justification of the empirical rules is presented.

Linear reactive power optimization in a large power network using the decomposition approach

A mathematical framework is presented for the solution of the economic dispatch problem. The application of the Dantzig-Wolfe decomposition method for the solution of this problem is emphasized. The…

A rule based approach to construction of a local network model for decentralized voltage control

On-line steady-state security assessment of power systems

Steady State Network Equivalents for Power System Planning Applications

Steady State equivalents are of importance for the study of the static characteristics of a large power system when either the computer facilities are limited or the solution time must be decreased.…

Equivalent Circuits for Power-Flow Studies

Simple equivalent circuits can be devised for extensive power networks by adopting the viewpoint that in power-flow studies the system generation and loads approach, as an approximation, constant-current quantities.

Fast Decoupled Load Flow

This paper describes a simple, very reliable and extremely fast load-flow solution method that is attractive for accurate or approximate off-and on-line routine and contingency calculations for networks of any size, and can be implemented efficiently on computers with restrictive core-store capacities.

Real Time Control of System Voltage and Reactive Power

This paper presents a centralized optimizing computational algorithm for the on-line control of voltage and reactive power. The body of the paper is divided into two parts.

Distributed approach to dynamic resource management based on temporal influence

An approach to resource management in uncertain domains, which is based on the concept of temporal influence, and temporal abstractions in the form of summarisations and generalisations are used for problem reduction and conflict resolution.

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