Journal ArticleDOI
A Hybrid Particle Swarm Optimization Algorithm for the Wide-Area Damping Control Design
TLDR
This paper proposes a method based on Hybrid Particle Swarm Optimization in order to design a WADC that ensures robustness to power system operating uncertainties, time delays variations on the WadC channels and the permanent failure of the W ADC communication channels.Abstract:
The presence of low-frequency and low-dampened oscillation modes can compromise the operating stability of power systems. Recent research has shown that the use of phasor measurement units data to compose a wide-area damping controller (WADC) has been shown to be effective in mitigating such oscillation modes but the possibility of loss of communication channels due to cyber-attacks or failures can compromise the proper operation of this controller. Besides, traditional control design methods present difficulties for the WADC control design. This article proposes a method based on hybrid particle swarm optimization in order to design a WADC that ensures robustness to power system-operating uncertainties, time delays variations on the WADC channels, and the permanent failure of the WADC communication channels. Modal analysis and nonlinear time-domain simulations were conducted in the IEEE 68-bus power system considering a set of scenarios.read more
Citations
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Journal ArticleDOI
Energy Capacitor System Based Wide-Area Damping Controller for Multiple Inter-Area Modes
TL;DR: In this paper , a wide-area damping controller (WADC) is proposed for ECS integrated power grid, which is tuned by accelerated particle swarm optimization (APSO) technique.
Journal ArticleDOI
An approach for monitoring and updating the load margin of power systems in dynamic security assessment
TL;DR: Results showed that daily load profile curves showed different directions of load growth that resulted in load margins associated with different bifurcations, highlighting the importance of correctly identifying and constantly updating the load growth direction and the load margin of power systems.
Energy Capacitor System Based Wide-Area Damping Controller for Multiple Inter-Area Modes
TL;DR: In this paper , a linear quadratic Gaussian (LQG) based optimal wide-area damping controller (WADC) is proposed for ECS integrated power grid.
Journal ArticleDOI
PMU-Based Power System Stabilizer Design: Optimal Signal Selection and Controller Design
Maryam Dehghani,Mahsa Rezaei,Bita Shayanfard,Navid Vafamand,Mohammad Sadegh Javadi,Joao P. S. Catalao +5 more
TL;DR: An algorithm is suggested for selecting the optimal input and output signals for PSS, in which a combination of system clustering, modal analysis, and principal component analysis techniques is used and the benefit is shown in reducing the required signals, which decreases the number of required PMUs, while the system damping is not affected.
Journal ArticleDOI
Design of a Reduced-Order WADC for Wind Turbine System-Integrated Power System
TL;DR: In this article , a wide-area damping controller (WADC) for WTS-integrated power system to damp inter-area oscillations (IAOs) is proposed.
References
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Communication delays in wide area measurement systems
TL;DR: In this article, the authors provide a tutorial introduction to phasor measurement units (PMU) when applied in a power system environment, provide an overview of communication alternatives for wide area measurement systems (WAMS), and compute the delay budget for each type of communication link.