title: Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÐ°ÑÑÑ ÐÐ­Ð¡ Ñ ÑÐµÐ°ÐºÑÐ¾ÑÐ°Ð¼Ð¸ ÐÐÐ­Ð -440 Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 6*220 ÐÐÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Electrical part of nuclear power plants with VVER-440 reactors with a capacity of 6 * 220 MW
Creators: name: ÐÐ°Ð»ÐµÑÐºÐ°Ñ, ÐÐºÐ°ÑÐµÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ°Ð½ÑÐ¸Ñ
Ð°ÑÑ
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾Ñ
ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾Ñ
ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ðµ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ðµ
ÑÑ ÐµÐ¼Ð° ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ¾ÐµÐ´Ð¸Ð½ÐµÐ½Ð¸Ð¹
ÑÐ¾Ð±ÑÑÐ²ÐµÐ½Ð½ÑÐµ Ð½ÑÐ¶Ð´Ñ
power plant
npp
generator
transformer
short close
wiring diagram
own needs

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description: In the course of this work, a design of a nuclear power plant with VVER-440 reactors was developed. At the first stage of operation, generators for rear power were selected. Then two competitive variants of the structural scheme were formed. For each option, power transformers were selected. The third stage was carried out as part of a feasibility study of circuit options that showed that the station option was the most economically feasible, in which all three connected units with the VVER-440 reactor were involved. The next step was the selection of switchgear circuits of all voltages based on the voltage class, the number of connections and reliability requirements. The number of auxiliary transformers and their backup transformers was chosen: the number of TSN - 6, and RTSN - 3. Types of TSN were selected based on the known composition of their own needs mechanisms. In the next stage, the calculation of the short circuit currents necessary for the further selection of electrical equipment, devices and tires was carried out. Next, a selection was made of switching equipment - switches and disconnectors, current-carrying parts - busbars and conductors, measuring current and voltage transformers. The final stage was the calculation of the power plantâs own needs system. A selection of auxiliary transformers was made. Calculation of short circuit currents, as well as thermal pulses in sections of a.s. Switching devices - switches. Selection of live parts - cables and tires. The calculation of the success of self-start, as well as the startup time of the most powerful unit, and the regulation of the performance of the mechanisms of SN were calculated.