發(fā)布時(shí)間：2018-06-21 05:28

  本文選題：配電變壓器 + 噪聲��； 參考：《天津大學(xué)》2014年碩士論文

【摘要】：變壓器噪聲是變壓器的重要技術(shù)參數(shù),衡量變壓器生產(chǎn)廠家設(shè)計(jì)和制造水平,關(guān)鍵看變壓器噪聲水平的高低。本文介紹了配電變壓器的噪聲狀況,通過(guò)噪聲測(cè)量試驗(yàn),充分結(jié)合國(guó)內(nèi)外文獻(xiàn),對(duì)配變?cè)肼暤挠行б种拼胧┻M(jìn)行了研究,優(yōu)化低噪聲配變的選型,明確了安裝原則。研究的具體內(nèi)容包括配電變壓器噪聲的有效抑制措施、常見(jiàn)因素對(duì)變壓器噪聲測(cè)量結(jié)果的影響以及工程人員在噪聲方面的相關(guān)經(jīng)驗(yàn)的驗(yàn)證等幾個(gè)方面。進(jìn)行了大量噪聲測(cè)量試驗(yàn),并對(duì)結(jié)果深入分析,得出以下結(jié)論:考慮噪聲因素,油浸自冷式變壓器具有顯著優(yōu)勢(shì);降低變壓器噪聲最根本、最有效的方法是采取有效的技術(shù)措施來(lái)控制和減小硅鋼片的磁致伸縮ε;請(qǐng)變壓器廠提供聲級(jí)試驗(yàn)結(jié)果以供參考,便于在安裝前明確所安裝變壓器的噪聲等級(jí),若無(wú)噪聲相關(guān)數(shù)據(jù),在其它條件一致時(shí),選擇空載損耗較小的變壓器,一般噪聲等級(jí)較低;安裝變壓器時(shí),要嚴(yán)格遵守“在桿上傾斜不大于20mm”的規(guī)范;綜合考慮配變?cè)肼暤母鞣N抑制措施,提高變壓器本身的質(zhì)量是抑制其噪聲等級(jí)的最有效手段。
[Abstract]:Transformer noise is an important technical parameter of transformer. To measure the level of transformer manufacturer's design and manufacture, the level of transformer noise depends on the level of transformer noise. In this paper, the noise condition of distribution transformer is introduced. By means of noise measurement test and combined with domestic and foreign literatures, the effective suppression measures of distribution transformer noise are studied, the selection of low noise distribution transformer is optimized, and the installation principle is clarified. The specific contents of the study include the effective suppression measures of distribution transformer noise, the influence of common factors on the measurement results of transformer noise, and the verification of the relevant experience of engineers in the noise field, and so on. A large number of noise measurement experiments have been carried out, and the results are analyzed. The following conclusions are drawn: considering noise factors, oil-immersed self-cooling transformer has significant advantages, and the most fundamental method is to reduce the noise of transformer. The most effective method is to take effective technical measures to control and reduce the magnetostriction 蔚 of silicon steel sheet. Please provide the sound level test results for reference, so that the noise level of the installed transformer can be determined before installation. If there is no noise-related data, when other conditions are the same, the transformer with low no-load loss will have a lower noise level, and when installing the transformer, it is necessary to strictly abide by the specification of "tilting on the bar is not greater than 20mm". Considering all kinds of suppression measures of transformer noise, improving the quality of transformer itself is the most effective way to restrain its noise level.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM421

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本文編號(hào)：2047428