Optimal automatic generation control of an interconnected power system under network constraints

Patel, R, Li, c, Yu, X and McGrath, B 2018, 'Optimal automatic generation control of an interconnected power system under network constraints', IEEE Transactions on Industrial Electronics, vol. 65, no. 9, pp. 7220-7228.


Document type: Journal Article
Collection: Journal Articles

Title Optimal automatic generation control of an interconnected power system under network constraints
Author(s) Patel, R
Li, c
Yu, X
McGrath, B
Year 2018
Journal name IEEE Transactions on Industrial Electronics
Volume number 65
Issue number 9
Start page 7220
End page 7228
Total pages 9
Publisher IEEE
Abstract This paper proposes a methodology to optimize the Automatic Generation Control (AGC) of a multiarea power system, interconnected by means of tie-lines, either in a ring or a radial topology. The optimization formulation aims to minimize the real time operational cost of the power system, while maintaining the tie-line flow thermal limits. A distributed dynamic AGC law based on optimization is derived, which utilizes generation and disturbances in all the interconnected areas by optimally sharing power among the areas in real time. Substantial cost savings can be made by our method especially under the uncertain and high load variability conditions, caused by high penetration of Renewable Energy Sources (RESs) or Distributed Generation (DG) into the electricity grid. numerical example studies are presented to show the effectiveness of our approach.
Subject Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Automation and Control Engineering
Energy Generation, Conversion and Storage Engineering
Keyword(s) Automatic generation control
Automatic generation control
Distributed control
Economic dispatch
Economics
Frequency control
Log barrier approximation
Optimization
Optimization
Power system dynamics
Real-time systems
Tie-lines
DOI - identifier 10.1109/TIE.2018.2793180
Copyright notice © 2018 IEEE
ISSN 0278-0046
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