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Inverters and loads can freely connect to any node in a meshed parallel inverters system, leading to variations of line impedance between two nodes and the structure of the electric network. More challenges exist for proportional load-sharing control in such a system. An improved proportional load-sharing strategy for a meshed parallel inverters system with complex impedances is proposed in this paper...
This paper investigates the optimized model and the behavior of a variable speed wind energy conversion system (WECS) based on permanent magnet synchronous generator (PMSG). Models and equations that describe different components of the WECS are addressed and their implementations into PSCAD/EMTDC are described. There are different types of synchronous generators, but the PMSG is chosen because the...
In this paper a novel dual functional converter has been proposed. The new configuration of the circuit works based on bifilar method. By a simple technique, using pulse width modulation method, this double functional converter can produce both ac or dc voltage as user defines regardless of variation of the input voltage amplitude. This new structure has a significant advantageous in the photovoltaic...
This paper introduces the Dual-PWM VF Speed Regulation System based on vector control, it can reduce harmonic pollution to power grid, and improve the efficiency of power used. Then establish a simulation model of system based on MATLAB/SIMULINK structure. The result of simulation experiment proves the possibility of the control. The development of VF Speed Regulation in the future is predicated too.
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