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Widely distributed single-phase power electronic rectifier loads are increasing source of harmonics in power distribution system. These harmonics have many well known adverse impacts on the power system. So it is necessary to improve the power quality of the rectifiers. This paper presents a novel single phase rectifier in which capacitors are used in parallel with diodes in one leg of the rectifier...
This paper is to compare the loss of the each 3 level topologies for four-leg voltage converters. In case of the power conditioning system connected to the grid without a transformer, 4 leg topology is essential to cover the unbalanced three phase loads. Using simulations with real loss data table of the power switches, loss analysis of the each 3 level topology with 4 legs according to the different...
This paper is concerned with the design and simulation of a pulse width modulation (PWM) rectifier for three-phase Permanent Magnetic motor drive. Based on the mathematical model of PWM rectifier, the dual-close-loop engineering design with decoupled feed-forward control is applied in the 3-phase voltage source rectifier. The objective to be reached is to realize unity power factor at the input ac...
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