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This paper proposes a derived direct voltage field-oriented control strategy for a DC power system with permanent-magnet synchronous generator, active rectifier and DC-link with capacitor. The proposed control strategy has only one DC-link voltage loop, with adaptive PI controller and active damping. The PI gains are fixed so as to arrive at first-order closed-loop behavior. Simulations and experiments...
Taking the example of 1000 MW hydro-generator, the mathematical model of the huge hydro-generator's excitation control system is analyzed and the automatic voltage regulator (AVR) using PID control mode as the main research content of the excitation control system is researched. The simulation model is constructed in Matlab/Simulink environment. Analyzing the simulation result, the system short-circuit...
`Plug and play' theory is a hot research point in micro-grid. In this paper, a `plug and play' model was set up based on a kind of control technology mixed with power electronics technology and agent technology. A three tiers multi-agent control system (MAS) was established which contained power grid agent, micro-grid agent and components agent, this MAS was used to control different agents and make...
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