Results 251 to 260 of about 48,317 (290)
Some of the next articles are maybe not open access.
Microcontroller based soft-switched buck converter
2009 4th IEEE Conference on Industrial Electronics and Applications, 2009In this paper, a universal auxiliary circuit named Zero Current and Zero Voltage Transition (ZCZVT) commutation cell applied to buck converter is presented. The operation of the proposed ZCZVT commutation cell applied to buck converter is theoretically analyzed. With the use of the proposed commutation cell, which is activated only during the switching
ERFİDAN, TARIK +2 more
openaire +2 more sources
Soft-switching solid state transformer (S4T)
2016 IEEE Energy Conversion Congress and Exposition (ECCE), 2016This paper presents a new topology for a fully bidirectional soft-switching solid state transformer (S4T). The minimal topology, featuring 12 main devices and a high-frequency transformer, does not use an intermediate DC voltage link, and provides sinusoidal input and output voltages. The S4T can be configured to interface with two-or multi-terminal DC,
Hao Chen, Deepak Divan
openaire +1 more source
Soft switching choppers: A study by the equivalent soft switching cell method
Canadian Journal of Electrical and Computer Engineering, 1990The switching cell concept was first introduced and used in order to study the micro-phenomena involved in the switching process; parasitics' influence, switching losses, snubbers, soft switching principle and so on. The authors demonstrate that the switching cell can also be a very efficient tool in the study of various converter topologies.
T. A. Meynard +2 more
openaire +1 more source
Noise adaptive soft-switching median filter
IEEE Transactions on Image Processing, 2001Existing state-of-the-art switching-based median filters are commonly found to be nonadaptive to noise density variations and prone to misclassifying pixel characteristics at high noise density interference. This reveals the critical need of having a sophisticated switching scheme and an adaptive weighted median filter.
Eng, How-Lung, Ma, Kai-Kuang
openaire +3 more sources
Soft switching converter with powerlimiting feature
IEE Proceedings - Electric Power Applications, 1999A new zero voltage, soft switching converter is presented. This converter implements ZVS to minimise switching losses and it has special output power limiting characteristics. At a constant switching frequency the output power is limited to a maximum value and power falls at high current and low current.
Pong, MH, Poon, NK, Ho, WC
openaire +2 more sources
A Single-Stage Soft-Switching AC/DC Converter without Soft-Switching Auxiliary Circuit
2019 IEEE International Conference on Industrial Technology (ICIT), 2019This paper proposed a single-stage soft-switching AC/DC converter without soft-switching auxiliary circuit. The proposed AC/DC converter only uses two main active switches to execute the input power factor correction and regulate the output dc voltage magnitude.
Chien-Ming Wang +3 more
openaire +1 more source
The Journal of the Acoustical Society of America, 1984
To provide both for soft-switching, that is, elimination of switching clicks, and rapid rise and decay of tone supply from a frequency generator (10) to an audio transducer (13), two electronic switches (11, 16) are provided, one interrupting connection from the source to an audio amplifier amplifying the signals for the transducer, and the other (16 ...
openaire +1 more source
To provide both for soft-switching, that is, elimination of switching clicks, and rapid rise and decay of tone supply from a frequency generator (10) to an audio transducer (13), two electronic switches (11, 16) are provided, one interrupting connection from the source to an audio amplifier amplifying the signals for the transducer, and the other (16 ...
openaire +1 more source
A Novel Soft Switched Cycloinverter
IEEE Transactions on Industrial Electronics, 2015A novel soft switched insulated-gate bipolar transistor (IGBT)-based cycloinverter, which is capable of converting voltage at the main frequency to voltage at high frequency, is proposed to improve the previously proposed pulse width modulation cycloinverter.
Mayank Kumar +2 more
openaire +1 more source
SOFT-SWITCHING PWM CONVERTER TECHNOLOGIES
Journal of Circuits, Systems and Computers, 1995The switched-mode power conversion technologies have evolved from the basic PWM converters to resonant converters, quasi-resonant converters, multi-resonant converters, and most recently, to soft-switching PWM converters. In this paper, several typical resonant techniques and several soft-switching PWM techniques are reviewed, and their merits and ...
GUICHAO HUA, FRED C. LEE
openaire +1 more source
Design of Soft-Switched Inverter
Applied Mechanics and Materials, 2014In order to decrease the exhaust of the switch of inverter bridge arm, the auxiliary resonant net was imbed in the circuit structure which lead to cost ascension and credibility descend. This text discusses to design a DC/AC converter based on simplex single voltage source high frequency chain inversion technology, the output is 0.9KW/115V/400Hz.The ...
Lu Wang +3 more
openaire +1 more source