Design of the electrical part of a nuclear power station with VVER-440 reactors with a capacity of 4Ã220 MW
| Jazyk: | ruština |
|---|---|
| Rok vydání: | 2022 |
| Předmět: |
power switches
starting of electric motor ÑиловÑе вÑклÑÑаÑели аÑÐ¾Ð¼Ð½Ð°Ñ ÑлекÑÑоÑÑанÑÐ¸Ñ system of auxiliary supplies пÑÑк ÑлекÑÑодвигаÑÐµÐ»Ñ nuclear power station short circuit currents ÑиÑÑема ÑобÑÑвеннÑÑ Ð½Ñжд Ñоки коÑоÑкого замÑÐºÐ°Ð½Ð¸Ñ |
| DOI: | 10.18720/spbpu/3/2022/vr/vr22-920 |
| Popis: | Тема вÑпÑÑкной квалиÑикаÑионной ÑабоÑÑ Â«ÐÑоекÑиÑование ÑлекÑÑиÑеÑкой ÑаÑÑи ÐÐС Ñ ÑеакÑоÑами ÐÐÐÐ -440 моÑноÑÑÑÑ 4Ã220 ÐÐÑ». Ð Ñ Ð¾Ð´Ðµ ÑабоÑÑ ÑеÑалиÑÑ ÑледÑÑÑие задаÑи: ÐÑÐ±Ð¾Ñ ÑÑÑÑкÑÑÑной ÑÑ ÐµÐ¼Ñ ÑÑанÑии, оÑновного ÑлекÑÑоÑÐµÑ Ð½Ð¸ÑеÑкого обоÑÑдованиÑ. РаÑÑÐµÑ Ñоков коÑоÑкого замÑÐºÐ°Ð½Ð¸Ñ Ð² Ñ Ð°ÑакÑеÑнÑÑ ÑоÑÐºÐ°Ñ ÑÑ ÐµÐ¼Ñ Ð·Ð°Ð¼ÐµÑениÑ. ÐÑÐ±Ð¾Ñ ÐºÐ¾Ð¼Ð¼ÑÑаÑионной аппаÑаÑÑÑÑ, пÑоводников и измеÑиÑелÑнÑÑ ÑÑанÑÑоÑмаÑоÑов Ð´Ð»Ñ ÑазлиÑнÑÑ Ð¼ÐµÑÑ ÑÑÑановки. Ðнализ ÑлекÑÑÐ¾Ð¼ÐµÑ Ð°Ð½Ð¸ÑеÑÐºÐ¸Ñ Ð¿ÑоÑеÑÑов на ÑекÑии ÑобÑÑвеннÑÑ Ð½Ñжд. ÐÑли ÑаÑÑÑиÑÐ°Ð½Ñ Ñоки ÑÑÐµÑ Ñазного коÑоÑкого замÑканиÑ. РзавиÑимоÑÑи Ð¾Ñ ÐºÐ»Ð°ÑÑа напÑÑÐ¶ÐµÐ½Ð¸Ñ Ð¸ назнаÑÐµÐ½Ð¸Ñ Ð±Ñло вÑбÑано коммÑÑаÑионное обоÑÑдование: вÑклÑÑаÑели и ÑазÑединиÑели. ÐÑбÑÐ°Ð½Ñ ÑоковедÑÑие ÑаÑÑи Ð´Ð»Ñ ÑвÑзи ÑазлиÑнÑÑ ÑлеменÑов ÑлекÑÑообоÑÑдованиÑ, кабели, коÑоÑÑе ÑÑÑанавливаÑÑÑÑ Ð½Ð° ÑекÑÐ¸Ñ ÑобÑÑвеннÑÑ Ð½Ñжд. ÐÐ»Ñ ÑазлиÑнÑÑ Ð¼ÐµÑÑ ÑÑÑановки подобÑано измеÑиÑелÑное обоÑÑдование: измеÑиÑелÑнÑе ÑÑанÑÑоÑмаÑоÑÑ Ñока и измеÑиÑелÑнÑе ÑÑанÑÑоÑмаÑоÑÑ Ð½Ð°Ð¿ÑÑжениÑ. ÐпÑеделено вÑÐµÐ¼Ñ Ð¿ÑÑка Ñамого моÑного Ð¼ÐµÑ Ð°Ð½Ð¸Ð·Ð¼Ð°, пÑоизведен ÑаÑÑÐµÑ ÑÑпеÑноÑÑи ÑамозапÑÑка Ñамой загÑÑженной ÑекÑии. ÐÑли вÑбÑÐ°Ð½Ñ ÑпоÑÐ¾Ð±Ñ ÑегÑлиÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑаÑÑоÑÑ Ð²ÑаÑÐµÐ½Ð¸Ñ Ð·Ð°Ð´Ð°Ð½Ð½ÑÑ Ð¼ÐµÑ Ð°Ð½Ð¸Ð·Ð¼Ð¾Ð² ÑобÑÑвеннÑÑ Ð½Ñжд. Ðо иÑÐ¾Ð³Ñ ÑабоÑÑ Ð±Ñла ÑоÑÑавлена поÑÑниÑелÑÐ½Ð°Ñ Ð·Ð°Ð¿Ð¸Ñка, ÑазÑабоÑÐ°Ð½Ñ ÑеÑÑеж главной ÑÑ ÐµÐ¼Ñ ÑлекÑÑиÑеÑÐºÐ¸Ñ Ñоединений ÑÑанÑии, конÑÑÑÑкÑии одного из его ÑаÑпÑеделиÑелÑнÑÑ ÑÑÑÑойÑÑв, ÑÑ ÐµÐ¼Ñ ÑобÑÑвеннÑÑ Ð½Ñжд и ÑÑкиз плана ÑазмеÑÐµÐ½Ð¸Ñ Ð¾Ð±Ð¾ÑÑдованиÑ. The subject of the final qualification work is âDesign of the electrical part of a nuclear power station with VVER-440 reactors with a capacity of 4Ã220 MWâ. During the completion of the work, the following tasks were solved: The selection of the types of high voltage switchgears and the main power equipment. The calculation of short circuit currents at the characteristic points of the equivalent scheme. The choice of switching equipment, conductors and measuring transformers for various installation sites.Analysis of electromechanical processes in the auxiliary section. Three-phase short-circuit currents were calculated. Switching equipment, switchers, and disconnectors, were chosen according to their voltage class and function. Live parts for the connection of various elements of electrical equipment and power cables installed in the system of auxiliary supplies were selected. The measuring equipment, current transformers and voltage transformers, was chosen. The starting time of the most powerful mechanism was determined, the success of the self-staring of the most powerful section was calculated. The methods of speed control of the preassigned mechanisms of auxiliary supplies were chosen. The work resulted in devising the explanatory report, the main scheme of the electrical connections of the power station, construction of a switchgear and auxiliary needs were developed as well as the sketch of the equipment placement. |
| Databáze: | OpenAIRE |
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