本文選題：風(fēng)電機(jī)組 + 齒輪箱��； 參考：《華北電力大學(xué)(北京)》2016年碩士論文

【摘要】：風(fēng)電機(jī)組超溫報(bào)警故障是風(fēng)電機(jī)組最常見(jiàn)的故障形式之一,國(guó)內(nèi)許多風(fēng)電場(chǎng)都發(fā)生過(guò)由于部件超溫而迫使風(fēng)電機(jī)組降負(fù)荷運(yùn)行甚至停機(jī)的情況,給企業(yè)造成重大經(jīng)濟(jì)損失。由于風(fēng)電機(jī)組系統(tǒng)比較復(fù)雜,造成超溫故障的原因很多,運(yùn)行過(guò)程中表現(xiàn)出的故障模式以及產(chǎn)生的影響也不盡相同,因此深入開(kāi)展超溫故障模式及其影響分析研究,對(duì)于整體提升風(fēng)電機(jī)組設(shè)備的可用率和經(jīng)濟(jì)性具有重要的工程實(shí)際意義。本文以華電福新公司灌云風(fēng)電場(chǎng)的50臺(tái)海裝H-93型2000kW雙饋型風(fēng)電機(jī)組為對(duì)象,開(kāi)展風(fēng)電機(jī)組齒輪箱和發(fā)電機(jī)超溫故障模式、影響及危害度的分析研究,在此基礎(chǔ)上提出了解決超溫問(wèn)題的技術(shù)方案,并進(jìn)行了試驗(yàn)驗(yàn)證,取得顯著效果。具體研究?jī)?nèi)容及解決的關(guān)鍵技術(shù)問(wèn)題如下：(1)針對(duì)風(fēng)電機(jī)組關(guān)鍵設(shè)備(齒輪箱、發(fā)電機(jī)和控制柜)頻繁出現(xiàn)的超溫故障,以灌云風(fēng)場(chǎng)實(shí)際運(yùn)行數(shù)據(jù)為依據(jù),對(duì)超溫故障的影響進(jìn)行了系統(tǒng)的統(tǒng)計(jì)分析,探討了超溫故障對(duì)風(fēng)電機(jī)組綜合能效的影響,給出了灌云風(fēng)場(chǎng)設(shè)備超溫故障對(duì)整個(gè)風(fēng)場(chǎng)可利用率和發(fā)電量的統(tǒng)計(jì)分析結(jié)果。(2)針對(duì)設(shè)備超溫故障模式,結(jié)合灌云風(fēng)場(chǎng)實(shí)際運(yùn)行經(jīng)驗(yàn)和數(shù)據(jù),開(kāi)展了深入細(xì)致故障模式、影響及重要度(FMECA)分析,形成了風(fēng)電機(jī)組齒輪箱超溫故障的FMECA分析表和故障危害性矩陣分析圖,從而確定了齒輪箱超溫故障危害性最嚴(yán)重的故障因素,為深入分析計(jì)算風(fēng)電機(jī)組齒輪箱超溫問(wèn)題提供了依據(jù)。(3)根據(jù)風(fēng)電機(jī)組過(guò)熱故障的FMECA分析結(jié)果,結(jié)合海裝H-93風(fēng)電機(jī)組的實(shí)際運(yùn)行經(jīng)驗(yàn)和故障統(tǒng)計(jì)數(shù)據(jù),提出并實(shí)施了超溫故障和提升效能的整體優(yōu)化方案,達(dá)到了整體優(yōu)化效果。
[Abstract]:Overtemperature alarm fault of wind turbine is one of the most common fault forms of wind turbine. Many wind farms in China have forced wind turbine to run or even shut down due to overheating of components, which has caused great economic losses to enterprises.Due to the complexity of wind turbine system, there are many reasons for the overheating fault, and the fault mode and its influence are not the same during the operation, so the research on the overtemperature fault mode and its influence is carried out deeply.It is of great practical significance to improve the availability and economy of wind turbine equipment.In this paper, 50 sets of H-93 2000kW doubly fed wind turbine units installed in Huadian Fuxin Guanyun Wind Farm are taken as the object of this paper. The overtemperature failure modes of gearboxes and generators of wind turbines are analyzed and studied.On this basis, the technical scheme to solve the problem of overtemperature is put forward, and the experimental results are verified, and remarkable results are obtained.The specific research contents and key technical problems are as follows: 1) in view of the overtemperature faults frequently occurring in the key equipment (gearbox, generator and control cabinet) of wind turbine, the actual operation data of the wind field in the irrigation cloud are taken as the basis.The influence of overtemperature fault on the comprehensive energy efficiency of wind turbine is analyzed systematically, and the influence of overtemperature fault on the comprehensive energy efficiency of wind turbine is discussed.This paper gives the statistical analysis results of the overtemperature fault of the irrigation cloud wind field equipment to the utilization ratio and electricity generation of the whole wind field. (2) aiming at the overtemperature fault mode of the equipment, combined with the practical operation experience and data of the irrigation cloud wind field, the detailed fault mode is carried out.The FMECA analysis table and the fault hazard matrix analysis diagram of the overtemperature fault of the gearbox of the wind turbine are formed by analyzing the influence and importance of the gearbox, and the most serious fault factors of the gearbox overtemperature fault are determined.According to the FMECA analysis results of wind turbine overheating fault, combined with practical operation experience and fault statistics data of sea installed H-93 wind turbine, the paper provides a basis for further analysis and calculation of overheating problem of wind turbine gearbox.The overall optimization scheme of overtemperature fault and efficiency is put forward and implemented, and the overall optimization effect is achieved.
【學(xué)位授予單位】：華北電力大學(xué)(北京)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TM315

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