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Тема выпуÑкной квалификационной работы: «ÐÑинхронный двигатель мощноÑтью 30 кВт». Ð’ данной работе раÑÑмотрено иÑÑледованию результатов Ñравнительного раÑчета аÑинхронного Ð´Ð²Ð¸Ð³Ð°Ñ‚ÐµÐ»Ñ Ñ ÐºÐ¾Ñ€Ð¾Ñ‚ÐºÐ¾Ð·Ð°Ð¼ÐºÐ½ÑƒÑ‚Ñ‹Ð¼ ротором Ñерии 4Ð200L6У3 при понижении фазного напрÑÐ¶ÐµÐ½Ð¸Ñ Ñ 220 до 200 Ð’. Задачи, которые решалиÑÑŒ в ходе иÑÑледованиÑ: 1. ОÑвоение методик раÑчета аÑинхронного Ð´Ð²Ð¸Ð³Ð°Ñ‚ÐµÐ»Ñ Ñ ÐºÐ¾Ñ€Ð¾Ñ‚ÐºÐ¾Ð·Ð°Ð¼ÐºÐ½ÑƒÑ‚Ñ‹Ð¼ ротором Ñерии 4Ри его оÑобенноÑтей. 2. Сравнение оÑновных рабочих и пуÑковых характериÑтик ÑÐ»ÐµÐºÑ‚Ñ€Ð¾Ð´Ð²Ð¸Ð³Ð°Ñ‚ÐµÐ»Ñ Ð¿Ñ€Ð¸ изменении Ð·Ð½Ð°Ñ‡ÐµÐ½Ð¸Ñ Ñ„Ð°Ð·Ð½Ð¾Ð³Ð¾ напрÑжениÑ. 3. Сравнение результатов теплового раÑчета при изменении Ð·Ð½Ð°Ñ‡ÐµÐ½Ð¸Ñ Ñ„Ð°Ð·Ð½Ð¾Ð³Ð¾ напрÑжениÑ. 4. Разработка рекомендаций по предотвращению негативных поÑледÑтвий работы ÑÐ»ÐµÐºÑ‚Ñ€Ð¾Ð´Ð²Ð¸Ð³Ð°Ñ‚ÐµÐ»Ñ Ð² режиме пониженного фазного напрÑжениÑ. Как результат был произведен раÑчет по методике, изложенной в «Проектирование ÑлектричеÑких машин» И.П. Копылова. Произведено Ñравнение полученных результатов, разработаны рекомендации по ÑкÑплуатации аÑинхронного ÑÐ»ÐµÐºÑ‚Ñ€Ð¾Ð´Ð²Ð¸Ð³Ð°Ñ‚ÐµÐ»Ñ Ñ ÐºÐ¾Ñ€Ð¾Ñ‚ÐºÐ¾Ð·Ð°Ð¼ÐºÐ½ÑƒÑ‚Ñ‹Ð¼ ротором Ñерии 4Ð200L6У3 при понижении фазного напрÑÐ¶ÐµÐ½Ð¸Ñ Ð´Ð¾ 200Ð’.
Theme of the final qualification work: "Asynchronous motor with a capacity of 30 kW." This work is devoted to the study of the results of a comparative calculation of a 4A200L6U3 series squirrel-cage induction motor with a phase voltage decrease from 220 to 200 V. The tasks that were solved during the study: 1. The study of the calculation results of the squirrel-cage induction motor. 2. Comparison of the main operating and starting characteristics of the electric motor when changing the phase voltage values. 3. Comparison of the results of thermal calculation when the phase voltage value changes. 4. Development of recommendations to prevent the negative consequences of the operation of an asynchronous squirrel-cage rotor motor in the mode of low phase voltage. As a result, the calculation was made according to the method described in the "Design of electrical machines" I.P. Kopylov. A comparison of the results obtained. Recommendations on the operation of an asynchronous squirrel-cage rotor 4A200L6U3 series with a phase voltage of 200V are developed.
ÑаÑÑÐµÑ Ð¿Ð¾ÑеÑÑ, ÑаÑÑÐµÑ Ð¼Ð°Ð³Ð½Ð¸Ñной Ñепи, ÑаÑÑÐµÑ Ð¿ÑÑковÑÑ Ñ Ð°ÑакÑеÑиÑÑик, calculation of magnetic circuit, аÑÐ¸Ð½Ñ ÑоннÑй двигаÑÐµÐ»Ñ Ñ ÐºÐ¾ÑоÑкозамкнÑÑÑм ÑоÑоÑом, Ñепловой ÑаÑÑеÑ, ÑаÑÑÐµÑ ÑабоÑÐ¸Ñ Ñ Ð°ÑакÑеÑиÑÑик, calculation of loss, asynchronous motor with short-closed rotor, calculation of start-up characters, calculation of working characteristics
ÑаÑÑÐµÑ Ð¿Ð¾ÑеÑÑ, ÑаÑÑÐµÑ Ð¼Ð°Ð³Ð½Ð¸Ñной Ñепи, ÑаÑÑÐµÑ Ð¿ÑÑковÑÑ Ñ Ð°ÑакÑеÑиÑÑик, calculation of magnetic circuit, аÑÐ¸Ð½Ñ ÑоннÑй двигаÑÐµÐ»Ñ Ñ ÐºÐ¾ÑоÑкозамкнÑÑÑм ÑоÑоÑом, Ñепловой ÑаÑÑеÑ, ÑаÑÑÐµÑ ÑабоÑÐ¸Ñ Ñ Ð°ÑакÑеÑиÑÑик, calculation of loss, asynchronous motor with short-closed rotor, calculation of start-up characters, calculation of working characteristics
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