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A fractional order PID (FOPID) controller to damp inter area oscillations of power systems is studied. FOPID is a PID whose derivative and integral orders are fractional rather than integer. The difficulty of design a FOPID controller is how to determine the five key parameters of FOPID. This paper uses genetic algorithm particle swarm optimization (GAPSO) algorithm to design the FOPID controller...
This paper provides an algorithm based on the microhabitat theory and particle swarm for the problem of wide area controller parameters optimization. The method cans optimal parameters. According to multi-objects model of the problem, and reduce the difficulties and works in design for multi-machine power system damping controller. In the end of paper, a typical four-generator two-area testing system...
Wide-area Measurement System can retrieval the real time dynamic and static information of the large scale power system under the same time reference, helping to resolve the problems of the dynamic analysis and control for an interconnected power system, especially the low-frequency oscillation. However, communication delay is a non-ignorable factor for the stability of wide-area control. In this...
This paper provides an algorithm based on the microhabitat theory and particle swarm for the problem of Wide area controller parameters optimization. The method cans optimal parameters. According to multi-objective model of the problem, and reduce the difficulties and works in design for multi-machine Power System damping Controller. In the end of paper, a typical four-generator two-area testing system...
The paper models VSC-HVDC (voltage source converter based HVDC) on rectangular coordinate, on which presents control strategy and designs corresponding regulators. In addition, transformation of symmetric component is used to getting negative sequence components aiming at unsymmetrical instantaneous faults at AC side. On PSCAD/EMTDC, whole control system, including VSC-HVDC, AC system and control...
Wide-area measurement system can retrieval the real time dynamic and static information of the large scale power system under the same time reference, helping to resolve the problems of the dynamic analysis and control for an interconnected power system, especially the low-frequency oscillation. However, communication delay is a non-ignorable factor for the stability of wide-area control. In this...
A wide-area adaptive supervisory controller (WAASC) to enhance the damping of inter-area oscillations of multi-machine power systems using wide area measurement system (WAMs) is proposed. A damping controller based on the mixed-sensitivity linear matrix inequality (LMI) approach with pole-placement restriction is designed. WAASC uses the input information from located phase measurement units (PMU)...
The paper proposes an adaptive supervisory controller (ASC) to enhance the damping of inter-area oscillations using Wide Area Measurement (WAM) and accounting for the effects of signal transmission delays. The damping controller based on the mixed-sensitivity linear matrix inequality (LMI) approach with pole-placement restriction is designed. Pade approximation approach is used to model the time delays...
An adaptive supervisory controller (ASC) to enhance the damping of inter-area oscillations based on Wide Area Measurement (WAM) is proposed. The damping controller using the mixed-sensitivity linear matrix inequality (LMI) approach with pole-placement restriction is designed. One particular feature of this controller is that the number of input frequency signals to the ASC can be adjusted according...
The paper demonstrates the possibility to enhance the damping of inter-area oscillations using wide area measurement (WAM) based adaptive supervisory controller (ASC).. A damping controller based on the mixed-sensitivity linear matrix inequality (LMI) approach with pole-placement restriction is designed. The ASC uses the input information from conveniently located phase measurement units (PMU) in...
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