Electricity

3.0-3.6 GHz Wideband . over 46% Average Efficiency GaN Doherty Power Amplifier with Frequency Dependency Compensating Circuits

To realize the wideband DPA above 3GHz. the frequency dependency compensating circuit and the λ ۴ inverter incorporating parasitic elements inside package were proposed. The feasibility of the approach was verified by measurement results. and it achieved 45.9- 50.2 % drain efficiency with -50 dBc ACLR over the 3.0- 3.6 …

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Investigation of Energy Savings on Industrial Motor Drives Using Bidirectional Converters

Motor drives is a widely used technology. offering many advantages. such as exceptional speed control and flexibility. Improvement of reliability and efficiency has become a great research interest. Toward this direction and considering the major recent developments in supercapacitor technology. the use of bidirectional energy recovery converters has been introduced …

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Power Generation Technologies

Power Generation Technologies. Third Edition is a comprehensive guide on the full spectrum of currently available power generation options. from traditional fossil fuels and better established alternatives. such as wind and solar power. to emerging renewables. such as biomass and geothermal energy. New to this edition are expanded chapters on …

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