【摘要】：研發(fā)了一臺(tái)應(yīng)用在石油頂驅(qū)鉆井設(shè)備的強(qiáng)迫風(fēng)冷銅轉(zhuǎn)子三相異步電機(jī),首創(chuàng)了無(wú)機(jī)座設(shè)計(jì)、定子鐵心軛部開(kāi)通風(fēng)孔、定子繞組端部環(huán)氧樹(shù)脂密封、采用焊接銅條鼠籠轉(zhuǎn)子等關(guān)鍵技術(shù),滿足了電機(jī)在頻繁起停、過(guò)載、鹽霧等工況下,對(duì)電機(jī)溫升的苛刻要求。建立了溫度場(chǎng)流場(chǎng)流固耦合模型,分析了電機(jī)額定負(fù)載工況下的各零件穩(wěn)態(tài)溫度分布以及瞬態(tài)溫度隨時(shí)間變化趨勢(shì)。仿真計(jì)算和溫升試驗(yàn)結(jié)果表明,沿電機(jī)的軸線方向,中后段位置溫度較高,沒(méi)有局部過(guò)熱點(diǎn)。試驗(yàn)驗(yàn)證了建立的溫度場(chǎng)流場(chǎng)耦合模型和仿真結(jié)果的合理性,溫升滿足電機(jī)H級(jí)要求。在耦合模型的基礎(chǔ)上,分析了風(fēng)道入口壓力和定子鐵心通風(fēng)孔徑變化對(duì)電機(jī)溫升的影響,為改進(jìn)電機(jī)冷卻結(jié)構(gòu)提供理論基礎(chǔ)。
[Abstract]:A forced air-cooled copper rotor three-phase asynchronous motor used in oil top drive drilling equipment was developed. The inorganic seat design was first created. The stator core yoke was ventilated and the end of stator winding was sealed with epoxy resin. The welding copper bar squirrel cage rotor and other key technologies are adopted to meet the harsh requirements of motor temperature rise under the condition of frequent starting and stopping overload salt spray and so on. The fluid-solid coupling model of temperature field is established, and the steady state temperature distribution and transient temperature variation trend of each part under rated load condition are analyzed. The results of simulation and temperature rise test show that along the axis of the motor, the temperature in the middle and rear section is higher and there is no local over-hot spot. The temperature field coupling model and the simulation results are proved to be reasonable, and the temperature rise meets the requirements of the H class of the motor. Based on the coupling model, the influence of inlet pressure and stator core ventilation aperture on the temperature rise of the motor is analyzed, which provides a theoretical basis for improving the cooling structure of the motor.
【作者單位】： 西安交通大學(xué)機(jī)械工程學(xué)院;青島海西電機(jī)有限公司;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(51405374)
【分類號(hào)】：TM343.2
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本文編號(hào)：2298928