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Электрическая часть АЭС с реакторами ВВЭР-440 мощностью 6*220 МВт

выпускная квалификационная работа бакалавра

Электрическая часть АЭС с реакторами ВВЭР-440 мощностью 6*220 МВт

Abstract

Целью данной работы является проектирование электрической части АЭС с реакторами ВВЭР-440. Задачи, которые решались в ходе проектирования: 1. Выбор структурной схемы станции и основного электрооборудования. 2. Расчет токов короткого замыкания в характерных точках схемы. 3. Выбор коммутационных аппаратов, токоведущих частей, измерительных трансформаторов тока и напряжения. 4. Разработка чертежей главной схемы электрических соединений станции, схемы собственных нужд, плана и разреза одного из распределительных устройств высокого напряжения. В ходе работы по исходным данным были произведены расчеты и по ним выбраны генераторы, блочные повышающие трансформаторы, автотрансформатор, рабочие трансформаторы собственных нужд и резервные трансформаторы собственных нужд. Произведен технико – экономический анализ вариантов схемы и на основе его выбрана структурная схема электростанции. Рассчитаны токи короткого замыкания для выбора коммутационных аппаратов и токоведущих частей. Также выбраны схема собственных нужд электростанции и схемы распределительных устройств высокого напряжения. В результате был произведен выбор электрооборудования для данной электростанции, составлена главная схема электрических соединений, план и разрез одного из распределительных устройств со схемой заполнения.

The aim of this work is to design the electrical part of a nuclear power plant with VVER-440 reactors. Tasks that were solved during the design: 1. The choice of the structural scheme of the power plant and the main electrical equipment. 2. Calculation of short circuit currents at characteristic points of the circuit. 3. The choice of switching devices, current-carrying parts, measuring current and voltage transformers. 4. Development of drawings of the main circuits of electrical connections, the scheme of own needs, a plan and a section of one of the high voltage switchgears. In the course of work, the initial data were calculated and the generators, block step-up transformers, autotransformer, working auxiliary transformers and backup auxiliary transformers were selected based on them. A technical and economic analysis of the circuit options was carried out and on the basis of it a structural scheme of the power plant was selected. Short-circuit currents are calculated for the selection of switching devices and current-carrying parts. Also, the scheme of own needs and scheme of high voltage switchgear circuits were selected. As a result, the choice of electrical equipment for this power plant was made, the main circuits of electrical connections, plan and section of one of the switchgears with a filling circuit were drawn up.

Keywords

npp, АЭС, электростанция, generator, power plant, circuit of electrical connections, ÑÑ ÐµÐ¼Ð° ÑÐ»ÐµÐºÑ‚Ñ€Ð¸Ñ‡ÐµÑÐºÐ¸Ñ ÑÐ¾ÐµÐ´Ð¸Ð½ÐµÐ½Ð¸Ð¹, трансформатор, short circuit, own needs, собственные нужды, короткое замыкание, transformer, генератор

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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