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The compact florescent lamp (CFL) is becoming an increasingly popular light source for households replacing the commonly used incandescent lamps. CFLs have advantages and disadvantages; among those advantages are cost savings, energy reduction, increased efficacy, and longer life expectancy. Appearance, poor power factor and harmonic impact on distribution systems are some of their disadvantages....
This paper presents a quantitative analysis of the advantages of a grid connected doubly fed induction generator (DFIG) for wind energy conversion systems (WECS) over the other available variable speed WECS. The WEC system includes back-to-back connected PWM voltage source converters (VSC) in the rotor circuit of the DFIG. The control strategy implemented is - unity power factor operation of the machine...
This paper deals with the analysis, modeling, and control of a doubly-fed induction generator (DFIG) driven by the wind turbine. A control technique is presented for extracting the maximum power from the wind turbine. The wind energy conversion system (WECS) is equipped with a DFIG and two back-to-back connected voltage source converters (VSCs) in the rotor circuit. The proposed control technique...
This paper presents a filter scheme implemented with passive high-pass filters and a shunt active power filter. The filter scheme is aimed to compensate high power cycloconverter drives used in grinding mill plant. Passive filters are used to compensate power factor and characteristics current harmonic components generated by the cycloconverter, while the shunt active filter is designed to compensate...
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