發(fā)布時(shí)間：2018-01-21 09:25

  本文關(guān)鍵詞： 儲(chǔ)能 渦卷彈簧 有限元 應(yīng)力分析 模態(tài)分析 動(dòng)力學(xué)仿真　出處：《華北電力大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著社會(huì)的發(fā)展,能源的消耗,發(fā)展新能源迫在眉睫。風(fēng)能是目前新能源中發(fā)展最快的清潔能源,也是最具有開發(fā)價(jià)值的可再生能源之一。風(fēng)能是典型的隨機(jī)性和間歇性能源,風(fēng)電并網(wǎng)會(huì)給電網(wǎng)帶來巨大沖擊,影響電網(wǎng)的穩(wěn)定運(yùn)行,使輸出電壓的質(zhì)量降低,因而成為制約風(fēng)電發(fā)展的瓶頸。在風(fēng)力發(fā)電中引入儲(chǔ)能系統(tǒng),利用其動(dòng)態(tài)吸收能量并適時(shí)釋放的特點(diǎn),改善風(fēng)電場(chǎng)輸出功率的可控性,提升電網(wǎng)的穩(wěn)定性,已成為解決該問題的有效手段。本文利用平面渦卷彈簧在受載卷緊時(shí)將機(jī)械能轉(zhuǎn)變?yōu)樽冃文?卸載時(shí)又將變形能轉(zhuǎn)化為機(jī)械能的特點(diǎn),提出了一種基于平面渦卷彈簧的機(jī)械式彈性儲(chǔ)能-發(fā)電系統(tǒng)方案,并以其關(guān)鍵部件—平面渦卷彈簧為研究對(duì)象,進(jìn)行了如下研究： 首先,對(duì)機(jī)械式彈性儲(chǔ)能-發(fā)電系統(tǒng)方案進(jìn)行評(píng)價(jià)和可行性分析,在方案設(shè)計(jì)的基礎(chǔ)上,建立平面渦簧的力學(xué)模型,研究其特性曲線及儲(chǔ)能密度計(jì)算方法,得到平面渦簧的基本設(shè)計(jì)數(shù)據(jù)及儲(chǔ)能密度的大小 其次,考慮到平面渦卷彈簧的形狀特點(diǎn),將其等效成曲梁并建立了有限元模型,通過對(duì)其進(jìn)行有限元應(yīng)力分析和模態(tài)分析,得到了平面渦卷彈簧在受載發(fā)生扭轉(zhuǎn)變形時(shí)橫截面上的應(yīng)力分布、固有頻率和前20階振型； 最后,通過建立平面渦卷彈簧的實(shí)體模型,以ADAMS軟件為平臺(tái),運(yùn)用柔性體理論,對(duì)平面渦卷彈簧進(jìn)行了動(dòng)力學(xué)特性分析及仿真研究,得到了在施加恒定角速度條件下,該平面渦卷彈簧的剛度曲線和儲(chǔ)能曲線。 本文研究成果為儲(chǔ)能裝置的優(yōu)化設(shè)計(jì)及機(jī)械式彈性儲(chǔ)能-發(fā)電系統(tǒng)的實(shí)現(xiàn)奠定了基礎(chǔ)。
[Abstract]:With the development of society and the consumption of energy, it is urgent to develop new energy. Wind energy is the fastest developing clean energy. Wind energy is one of the most valuable renewable energy sources. Wind energy is a typical random and intermittent energy, wind power grid will bring a huge impact on the grid, affect the stable operation of the grid, so that the quality of the output voltage is reduced. Therefore, it becomes the bottleneck to restrict the development of wind power. The energy storage system is introduced into wind power generation, and the dynamic energy absorption and timely release are used to improve the controllability of wind farm output power and enhance the stability of power grid. It has become an effective method to solve this problem. In this paper, the mechanical energy is changed into deformation energy when the load is tight, and the deformation energy is converted into mechanical energy when unloading. A mechanical elastic energy storage and power generation system based on planar coil spring is proposed. Firstly, the scheme of mechanical elastic energy storage-generation system is evaluated and the feasibility is analyzed. On the basis of the scheme design, the mechanical model of planar coil spring is established, and its characteristic curve and energy storage density calculation method are studied. The basic design data of planar coil spring and the magnitude of energy storage density are obtained. Secondly, considering the shape characteristics of the planar scroll spring, it is equivalent to the curved beam and the finite element model is established. The finite element stress analysis and modal analysis of the spring are carried out. The stress distribution, natural frequency and the first 20 vibration modes of the plane vortex coil spring on the cross section of torsional deformation under load are obtained. Finally, by establishing the solid model of the planar coil spring, using the flexible body theory and ADAMS software as the platform, the dynamic characteristics of the planar coil spring are analyzed and simulated. The stiffness curve and energy storage curve of the planar coil spring are obtained under the condition of constant angular velocity. The research results of this paper lay a foundation for the optimization design of energy storage device and the realization of mechanical elastic energy storage-generation system.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH135

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 周文偉,曾慶元;空間曲梁幾何非線性有限元法分析[J];長(zhǎng)沙鐵道學(xué)院學(xué)報(bào);1998年03期

2 王冉冉;劉玉慶;徐寧;;飛輪儲(chǔ)能裝置的性能特點(diǎn)及其應(yīng)用展望[J];電源技術(shù)應(yīng)用;2003年04期

3 沈祖培;;飛輪儲(chǔ)能——具有廣泛應(yīng)用前景的新型儲(chǔ)能方式[J];電力電子;2003年06期

4 王楠;;我國(guó)抽水蓄能電站發(fā)展現(xiàn)狀與前景分析[J];電力技術(shù)經(jīng)濟(jì);2008年02期

5 張文亮;丘明;來小康;;儲(chǔ)能技術(shù)在電力系統(tǒng)中的應(yīng)用[J];電網(wǎng)技術(shù);2008年07期

6 高威利;陳國(guó)邦;湯珂;顏鵬達(dá);;渦旋板彈簧的有限元分析及實(shí)驗(yàn)[J];低溫與超導(dǎo);2009年09期

7 曾森;陳少峰;曲婷;王煥定;;大位移小轉(zhuǎn)角空間曲梁的彈性力學(xué)方程[J];工程力學(xué);2010年12期

8 李強(qiáng);袁越;談定中;;儲(chǔ)能技術(shù)在風(fēng)電并網(wǎng)中的應(yīng)用研究進(jìn)展[J];河海大學(xué)學(xué)報(bào)(自然科學(xué)版);2010年01期

9 印朝富,林平,張發(fā)祥;平面曲梁?jiǎn)卧邢拊治瞿Ｐ蚚J];河海大學(xué)學(xué)報(bào);1997年01期

10 李偉;李劍峰;;抽水蓄能電站發(fā)展綜述[J];吉林水利;2008年07期

，

本文編號(hào)：1451101