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This paper focuses on the problem of controlling a single-phase grid connected to the photovoltaic system with L filter. In this system the DC/AC converter is constituted by two stages: a boost power converter and a single phase inverter. The main control objective is threefold: (i) extracting maximum possible power from photovoltaic module MPPT (ii) tight regulation of the DC link voltage (iii) the...
This paper presents a single phase full bridge bidirectional boost rectifier with power factor correction. A novel control based on Singular Perturbation is used in this circuit to assert that inductor currents are fast states and capacitor voltages are slow states. The goals of this paper are the analysis and the design methodology of cascaded proportional-integral controller in feedback loop by...
The systematic approach of designing a robust digital controller to solve output regulation problem for a full bridge boost rectifier with unknown external disturbances and varying parameters is discussed. The design of digital controller based on the so-called pseudo-continuous approach by using Singular Perturbation is presented, where this controller is the result of continuous-time controller...
Amorphous Fe 91-x Y x Zr 9 alloys (x=0, 5, 8 and 10) have been prepared by the melt-spinning method and their magnetic properties have been studied. The thermomagnetization curve is found to obey the Bloch law, M(T)=M(0)(1-BT 3/2 ); magnetic moment of the Fe, spin wave stiffness constant D and exchange constant A were calculated from the experimental...
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