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 8*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: The electric part of the nuclear power station with VVER-440 reactors with a capacity of 8*220 MW
Creators: name: ÐÐµÐ³ÑÑÑÐµÐ², ÐÐ²Ð°Ð½
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: Ð°ÑÐ¾Ð¼Ð½Ð°Ñ ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ°Ð½ÑÐ¸Ñ
ÑÐ¸ÑÑÐµÐ¼Ð° ÑÐ¾Ð±ÑÑÐ²ÐµÐ½Ð½ÑÑ Ð½ÑÐ¶Ð´
ÑÐ¸Ð»Ð¾Ð²ÑÐµ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ð¸
ÑÐ¾ÐºÐ¸ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ
Ð¿ÑÑÐº ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ
ÐºÐ°Ð±ÐµÐ»Ð¸
ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾ÑÑ
nuclear power station
system of auxiliary supplies
power switches
short circuit currents
starting of electric motor
cables
transformers

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description: The objective of the work was to design the electrical part of the power plant. During the completion of the work, the following tasks were solved: 1. The selection of the types of high voltage switchgears and the main power equipment. 2. The calculation of short circuit currents at the characteristic points of the equivalent scheme. 3. The choice of switching equipment, conductors and measuring transformers for various installation sites. 4. Analysis of electromechanical processes in the auxiliary section. 5. Development of the main scheme of the electrical connections of given station, as well as a plan of a given switchgear, a filling scheme and sectional drawing of one cell. Based on the power of the reactor unit and the technical-economical analysis, the main power equipment was selected. Three-phase short-circuit currents were calculated. SwitchingÂ equipment, switchers and disconnectors, were chosen according to their voltage class and function. Switchgear, isolated-phase and cast insulation busbars, aluminium conductor steel-reinforced cables 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 which included calculations and clarifications, 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. The simplified technological scheme of the power plant has been designed.