Thermal Characterization of High-Frequency Flyback Power Transformer

Rafal KASIKOWSKI; Jerzy GOLASZEWSKI; Boguslaw WIECEK; Mike FARRER

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Thermal Characterization of High-Frequency Flyback Power Transformer

机译：高频反激功率变压器的热特性

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This paper presents preliminary thermographic measurements and a simple thermal analysis of power losses in high-frequency (H-F) transformers used in AC-DC power converters. The analysis is based on complex thermal impedance and time constant distribution. The main aim of this research was to consider quantitatively the contribution of different power losses in the H-F transformer, including fringing flux effect.

机译：本文介绍了初步的热像仪测量以及对AC-DC电源转换器中使用的高频（H-F）变压器的功率损耗的简单热分析。该分析基于复数热阻和时间常数分布。这项研究的主要目的是定量考虑H-F变压器中不同功率损耗的影响，包括边缘磁通效应。

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来源
《Pomiary Automatyka Kontrola》 |2015年第6期|237-241|共5页
作者
Rafal KASIKOWSKI; Jerzy GOLASZEWSKI; Boguslaw WIECEK; Mike FARRER;
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作者单位

STADIUM POWER Ltd, Norwich, United Kingdom;

INSTITUTE OF ELECTRONICS, LODZ UNIVERSITY OF TECHNOLOGY, 90-924 Lodz, Wolczanska 211/215 St.;

INSTITUTE OF ELECTRONICS, LODZ UNIVERSITY OF TECHNOLOGY, 90-924 Lodz, Wolczanska 211/215 St.;

STADIUM POWER Ltd, Norwich, United Kingdom;

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原文格式 PDF
正文语种 eng
中图分类
关键词
IR thermography; power losses; H-F flyback transformer; thermal impedance;

机译：红外热成像功率损耗;H-F反激式变压器;热阻;

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1. Sinewave inverter type power conditioner with high-frequency flyback transformer link for solar photovoltaic power generation [J] . Srawouth Chandhaket, Yoshihiro Konishi, Kouki Ogura, 電子情報通信学会技術研究報告. 電子通信エネルギ-技術. Energy Engineering in Electronics and Communications . 2002,第475期

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2. Sinewave inverter type power conditioner with high-frequency flyback transformer link for solar photovoltaic power generation [J] . Srawouth Chandhaket, Yoshihiro Konishi, Kouki Ogura, 電子情報通信学会技術研究報告. 電子通信エネルギ-技術. Energy Engineering in Electronics and Communications . 2002,第475期

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3. High-frequency flyback-type soft-switching PWM DC-DC power converter with energy recovery transformer and auxiliary passive lossless snubbers [J] . C.Y. Inaba, Y. Konishi, M. Nakaoka IEE Proceedings. Part B, Electric Power Applications . 2004,第1期

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4. A Soft-Switching Utility-Interfaced Power Conditioner with High-Frequency Flyback Transformer Link [C] . Srawouth Chandhaket, Mutsuo Nakaoka International Conference on Power Electronics and Drive Systems . 2006

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5. Hard-switching and soft-switching two-switch flyback PWM DC-DC converters and winding loss due to harmonics in high-frequency transformers . [D] . Bellur, Dakshina Murthy. 2010

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6. Fabrication of Thermal Conductivity Detector Based on MEMS for Monitoring Dissolved Gases in Power Transformer [O] . Tingliang Tan, Jianhai Sun, Tingting Chen, 2020

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8. High-Frequency Planar Power Transformer for Switching Power Supplies [R] . Yang, H. D., Dalal, P. A., Ng, M. Y., 1996

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Thermal Characterization of High-Frequency Flyback Power Transformer

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