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Asynchronous motors are widely applied in industry, agriculture production and daily life, but in practical application, asynchronous motor often works in empty or light load because of various factors, leading to a low power factor and efficiency, which cause a great waste of energy. Therefore, it is of important practical significance to research of asynchronous motor energy conservation issue....
Maximum power point tracking (MPPT) technique is used in photovoltaic (PV) power generation system to assume the maximum power point (MPP) no matter how the PV panel temperature and irradiation conditions change. It plays a decisive role in PV power generation system. Therefore, this paper introduces a modified optimal voltage control (OVC) method coupled with active disturbance rejection control...
As a kind of renewable energy, PV power system has achieved wide concern and study of researchers. This article summarizes the components of PV power system in which there are lots of electronic devices causing nonlinear phenomena. We introduce the bifurcation theory and discuss the different performance between static bifurcation and dynamic bifurcation in the converter of PV power system. In this...
Under the four-component wind speed model, the wind turbine output power was researched based on the Jensen wake model, which combined of the dynamic wind turbine model; anglicizing with the distribution of wind power from the theoretical, optimization method that named quadratic interpolation was used, and the optimization tool of Matlab\Simulink verified that the correct conclusion has a certain...
Photovoltaic (PV) system is composed of several elements as solar cells, boost converter, inverter and load. Owing to the existence of converters, photovoltaic system is a hybrid system contains continuous dynamic and discrete dynamic. Traditionally, the power electronic converter is difficult to model. This paper illustrates the modeling method of hybrid system, especially finite automata model....
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