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On Optimal Grid Partitioning for Distributed Optimization of Reactive Power Dispatch
2021 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT), 2021Distributed optimization has been shown to be one promising method for tackling reactive power dispatch, however the performance of distributed algorithms is known to be dependent on how the given problem is partitioned. The question of how to optimally partition a power grid for use in distributed optimization remains open in the literature.
Alexander Murray +3 more
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A novel algorithm for the Optimal Reactive Power Dispatch
2018 20th National Power Systems Conference (NPSC), 2018The problem of Optimal reactive Power Dispatch (ORPD) is a non-linear and complex optimization problem having non-linear functions with many non-linear as well as discontinuous constraints. The solution of the problem helps in minimizing the active power losses, reduction of voltage deviation, improvement of the voltage stability margin, and thus ...
Tanmay Das, Ranjit Roy
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Reactive power dispatch incorporating voltage stability
IEE Proceedings C Generation, Transmission and Distribution, 1992The cause of the 1977 New York blackout has been proved to be the reactive-power problem. The 1987 Tokyo blackout was believed to be due to a reactive-power shortage and a voltage collapse at the summer peak load. These events have confirmed the importance of reactive-power planning and dispatching in maintaining the security of modern power systems ...
A.M. Chebbo +2 more
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Algorithms for incorporating reactive power into market dispatch
Electric Power Systems Research, 2003Abstract This paper proposes some methods for incorporating reactive power dispatch into nodal pricing and dispatch algorithms in pool-based electricity markets. The current approach of dispatching real power using a simplified power flow model and subsequently allocating reactive power as an ancillary service has the problem of getting suboptimal ...
R.A.S.K. Ranatunga +2 more
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Swarm Intelligence for Optimal Reactive Power Dispatch
2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific, 2005This paper presents swarm intelligence to solve optimal reactive power dispatch (ORPD) problem. Results derived with swarm intelligence, improved genetic algorithm and a conventional gradient-based optimization method were compared. The comparison shows that swarm intelligence would produce similar results on the IEEE 30-bus system as those from ...
L.L. Lai +6 more
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Optimal Reactive Power Dispatch Considering Reactive Power Support from Renewable Energy Generators
2019 IEEE International Conference on Industrial Technology (ICIT), 2019Due to integration of large amount of renewable energy generators (REGs) to the power grid, implementation of reactive power support mechanisms as well as their optimal placement and operation are becoming a real challenge for the transmission/distribution system operators.
Mohammad Nazmul Islam Sarkar +2 more
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Optimization of generator Reactive Power Dispatch in restructured power systems
TENCON 2015 - 2015 IEEE Region 10 Conference, 2015Transmission open access has increased the need for reactive power and voltage support in power systems with electricity markets due to the higher requirement for system security and reliability. A Reactive Power Dispatch Optimization (RPDO) method that can be used by the system operator to centralize the scheduling of reactive power from generators is
Vida Joan Gumera-Toque, Allan C. Nerves
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Inverter Degradation Consideration in Reactive Power Dispatch
2020Even though many researchers assume that PV inverters are able to provide reactive power compensation (RPC) at no cost, there are tradeoffs involved in injecting/absorbing reactive power through the inverter.
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The Minimum MVAR Generation as an Effective Criterion for the Reactive Power Dispatching
IFAC Proceedings Volumes, 1980Abstract The aim of the reactive power optimization is to improve as much as possible the quality of the service. The main efficiency figures taken into account are the minimum losses in the transmissio system, the warranty of a determined voltage level for the consumers and the maximum reactive margin in the generating units.
A. Garzillo +3 more
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Using Genetic Algorithm for Optimal Dispatching of Reactive Power in Power Systems
2016Genetic algorithms are widely recognized as efficient tool for solution of complex and non-linear optimization problem of optimal reactive power dispatch and voltage control in power systems. The paper is addressed to the consideration of influence of different methods for generating initial population for genetic algorithm performance.
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