4.6 Article

Probabilistic decentralised control and message passing framework for future grid

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.ijepes.2021.107114

Keywords

Fully Probabilistic Control; Stochastic systems control; Decentralised control; Power systems; Probabilistic message passing

Funding

  1. Leverhulme Trust [RPG-2017-337]

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This paper proposes a unified probabilistic decentralised control and message passing framework for real-time control of the electrical grid, enabling the development of future smart grids. The key elements include the design of local randomised controllers and probabilistic message passing methodology for optimal system operation coordination. Simulation studies demonstrate the applicability and effectiveness of the proposed approach in a multi-area power system.
In this paper, we propose a unified probabilistic decentralised control and message passing framework for real time control of the electrical grid which enables the development of the future smart grid. The key elements of the proposed framework are the design of local randomised controllers and probabilistic message passing methodology which enables the coordination between the designed local controllers to account for optimisation considerations on the system operation. Within the proposed framework, the electric grid is decomposed into a number of control areas. Additionally, since the frequency is the ubiquitous grid state variable, representing the balancing of active power generation and consumption, the proposed framework is demonstrated based on local Load Frequency Control (LFC). Simulation studies involving a six-area power system and three interconnection schemes are carried out to illustrate the applicability and effectiveness of the proposed approach.

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