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2.998  Articles
1 of 301 pages  |  10  records  |  more records»
Five-level inverter is widely used in many industrial applications, for example as a three-phase electric motor drive, PLTS, etc. This inverter works using two separated DC voltage sources in order to form different voltage level. Five-level inverter usin... see more

A dc-dc converter with asymmetric pulse-width modulation is presented for medium voltage applications, such as three-phase ac-dc converters, dc microgrid systems, or dc traction systems. To overcome high voltage stress on primary side and high current rat... see more

In this paper, a power supply system for hybrid renewable energy conversion is proposed, which can process PV (photovoltaic) power and wind-turbine energy simultaneously for step-down voltage and high current applications. It is a dual-input converter and... see more

In this paper, Single-Ended Primary Inductor Converter (SEPIC) fed DC motor is proposed.Soft-switching technique such as Zero-Voltage-Switching (ZVS) and Zero-Current-Switching (ZCS) operation plays a vital role in high voltage applications. Zero-Current-... see more

Our cities are surrounded by a large number of radio frequency (RF) signals broadcasted by various wireless systems. In order to enhance the efficiency of energy usage in addition to the purpose of communication, ambient RF energy harvesting systems are d... see more

A novel varactor circuit exhibiting a wider tuning range and a new technique for quadrature coupling of LC-Voltage Controlled Oscillator (LC-VCO) is presented and validated on a 25 GHz oscillator. The proposed varactor circuit employs distribute-biased pa... see more

The increasing need for electrical energy encourages the birth of methods to utilize various forms of energy available in nature called energy harvestin. One of them is from electromagnetic waves that are massif used daily by the community. In this study,... see more

The identification of a point mutation in voltage-gated sodium channel gene was conducted on the major of dengue vector Aedes aegypti from Simongan Village, Semarang Municypality Central Java, which occurred to be resistant toward malathion and cypermethr... see more

The identification of a point mutation in voltage-gated sodium channel gene was conducted on the major of dengue vector Aedes aegypti from Simongan Village, Semarang Municypality Central Java, which occurred to be resistant toward malathion and cypermethr... see more

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