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Switched Transformer based Secondary Overcurrent Mitigation Strategies for Integrated Magnetics Based Dual Output AC-DC PFC Flyback and Pushpull Converter Topologies

2022 2nd International Conference on Intelligent Technologies (CONIT), 2022
The following paper discusses the reasons for the overcurrent condition arising at the secondary output winding in the Integrated Magnetics based Dual Output AC- DC Flyback and Pushpull Converter topologies with active Power Factor Correction, and the ...
Srinivas N R
semanticscholar   +1 more source

Multi-Stage-Singular Flyback Transformer

IEEE Transactions on Consumer Electronics, 1977
A new flyback transformer has been developed with a secondary coil that is divided into several windings which are connected alternately in series with the same number of high-heat resistant, glass-molded diodes has been developed. This new design results in improved voltage enduring properties, facilitates transformer insulation and permits efficient ...
Ryozo Takeuchi   +5 more
openaire   +1 more source

Investigation of the Integrated-Transformer Winding Architectures in the Input-Series Flyback Auxiliary Power Supply Considering the Stray Capacitances

IEEE transactions on power electronics, 2021
The input-series converters based on integrated-transformer are suitable for the high-input voltage multiple-output applications. In these converters, the integrated-transformer is an important device, through which active input voltage sharing of each ...
Tao Meng   +3 more
semanticscholar   +1 more source

Hermetically Sealed Flyback Transformer

IEEE Transactions on Broadcast and Television Receivers, 1972
Conventional high voltage supplies for color TV occupy much space, with both rectifier and flyback transformer enclosed in a metal cage. The solid insulation materials used allow the possibility of smoke emission owing to a small production error as voltages of up to 30KV at 15.75 KHz are generated.
Keisuke Miyoshi   +2 more
openaire   +1 more source

Flyback Transformer Optimum Design and Simulation

Advanced Materials Research, 2011
In the design of low-power mode switching power supply, reducing power loss so as to improve the efficiency of power supply is one of the most important goals, and the flyback transformer design is particularly critical. In this paper, the author optimized the design of the flyback transformer and made a theoretical calculation, and obtained a set of ...
Ya Ceng Shang, Xin Tao Yang
openaire   +1 more source

High frequency resistance in flyback type transformers

APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058), 2002
Interleaving techniques are usually applied to magnetic components in order to reduce the leakage inductance and resistance. However, since the behavior of flyback-type transformers is different than conventional ones, the features of these techniques in these transformers are also different.
R. Prieto   +4 more
openaire   +1 more source

Genetic Algorithm for Optimized Design of Flyback Transformers

2020 21st International Symposium on Electrical Apparatus & Technologies (SIELA), 2020
The paper presents an approach into designing transformers for flyback converters. The approach is based on the concept of computer aided design, where at its core is the utilization of a genetic algorithm. The genetic algorithm allows for optimal selection of critical transformer components and parameters, where the objective function - based on user ...
Angel Marinov   +3 more
openaire   +1 more source

Analysis and design of the flyback transformer

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468), 2004
A practical design method, which is based on the current shape, is presented to achieve the appropriate parameters of the flyback transformer. Through this method, a practical transformer is achieved, and its performance is verified by a step-up flyback converter, experimental waveforms and result are presented.
null Xiangjun Zhang   +2 more
openaire   +1 more source

Comparative Power Loss Analysis of DCM Flyback Transformer Based on FEA, Numeric Simulation, Calculation and Measurements

EPE, 2019
The flyback transformer is a crucial part of the flyback converter, which has the highest portion of total power losses for most applications. Accurately prediction of the power losses due to flyback transformer early in the design stage provides an ...
Halil Onay   +3 more
semanticscholar   +1 more source

A transformer assisted ZVS scheme for flyback converter

Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005., 2005
This paper presents a novel zero-voltage-switching (ZVS) scheme for flyback converter. The principle of operation of the converter is analyzed in detail. A comparatively small assisted transformer is in series with the main transformer. The ZVS conditions are achieved when the current across the magnetizing inductance of assisted transformer is bi ...
null Shijie Chen   +4 more
openaire   +1 more source

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