title: ÐÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ°ÑÑÐ¸ ÐÐ­Ð¡ Ñ ÑÐµÐ°ÐºÑÐ¾ÑÐ°Ð¼Ð¸ ÐÐÐ­Ð -440 Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 4Ã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: Design of the electrical part of a nuclear power station with VVER-440 reactors with a capacity of 4Ã220 MW
Creators: name: ÐÐµÑÐ±Ð½Ð¸ÐºÐ¾Ð²Ð°, ÐÐ¸ÐºÑÐ¾ÑÐ¸Ñ
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: 2022
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
nuclear power station
system of auxiliary supplies
power switches
short circuit currents
starting of electric motor

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description: The subject of the final qualification work is âDesign of the electrical part of a nuclear power station with VVER-440 reactors with a capacity of 4Ã220 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.