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RISHighly Efficient Single-Phase Buck-Boost Variable-Frequency AC-AC Converter with Inherent Commutation Capability
This paper introduces a novel single-phase buck-boost -non--inverting variable-frequency AC-AC converter that offers a higher efficiency compared to the competitors. This converter utilizes a lower number of semiconductors. ...
Ferdowsi Rectifiers — Single-Phase Buck-Boost Bridgeless PFC Rectifiers with Low Semiconductor Count
low total harmonic distortion (THD). All aforementioned features offer a highly efficient operation and at the same time a purely sinusoidal current drawn from the AC source compared to the previous well-developed competitors. The validation...
Design Investigation of High efficient Active Antenna with Harmonic Rejection
In this paper an active antenna, including a compact high-efficient class E amplifier and a microstrip antenna working at 2.45 GHz is investigated for microwave front-end transmitter applications. At first, a probe fed microstrip antenna with an arc...
Numerical Simulation of High-Efficient Gas Heaters (Application of Gas to Gas Heat Exchanger)
Numerical Simulation of High--Efficient Gas Heaters (Application of Gas to Gas Heat Exchanger), pp 870--876,...
H-Y-zeolites induced heterocyclization: Highly efficient synthesis of substituted-quinazolin-4(3H) o
H-Y-zeolites induced heterocyclization: Highly efficient synthesis of substituted-quinazolin-4(3H) o...
Investigation of Market efficiency between S&P 500 and London Stock Exchange : monthly and yearly Forecasting of Time Series Stock Returns Using ARMA model
and London Stock Exchange shows that both market is efficient but S&P 500 have a high efficiency and London Stock Exchange have a semi strong efficiency....