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油浸式電力變壓器熱路模型研究綜述

來(lái)源:電工電氣發(fā)布時(shí)間:2018-08-16 13:16 瀏覽次數(shù):627
油浸式電力變壓器熱路模型研究綜述
 
楊超,程新功,陳芳,劉剛,王輝,周剛
(濟(jì)南大學(xué) 自動(dòng)化與電氣工程學(xué)院,山東 濟(jì)南 250022)
 
    摘 要:介紹了熱電類比理論及變壓器的產(chǎn)熱散熱過(guò)程,闡述了傳統(tǒng)的變壓器熱路模型,總結(jié)了變壓器熱路模型在結(jié)構(gòu)和參數(shù)方面的改進(jìn)。分析了不同熱路模型的優(yōu)缺點(diǎn)并歸納展望了其應(yīng)用場(chǎng)景,提出了變壓器熱路模型在后續(xù)研究中需要注意的問(wèn)題。
    關(guān)鍵詞:變壓器;熱路模型;熱點(diǎn)溫度;非線性熱阻;熱容;熱電類比
    中圖分類號(hào):TM411     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2018)08-0001-06
 
Review of Thermal Circuit Model in Oil-Immersed Power Transformer
 
YANG Chao, CHENG Xin-gong, CHEN Fang, LIU Gang, WANG Hui, ZHOU Gang
(School of Automation and Electrical Engineering, University of Jinan, Jinan 250022, China)
 
    Abstract: Introduction was made to the theory of thermoelectric analogy and the process of heat production and heat dissipation of transformers. This paper expounded the traditional thermal circuit model of transformers, summarized the thermal circuit model of transformers and the improvement of parameters and analyzed the advantages and disadvantages of different thermal circuit models, concluding and expecting the application scenarios. This paper proposes that some problems need to be paid attention to in the follow-up transformers’ thermal circuit model study.
    Key words: transformer; thermal circuit model; hot spot temperature; non-linear thermal resistance; heat capacity; thermoelectric analogy
 
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