title: Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÐ°ÑÑÑ Ð³Ð°Ð·Ð¾Ð¼Ð°Ð·ÑÑÐ½Ð¾Ð¹ ÐÐ­Ð¡ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 4*500 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 gas-masut-fired power plant with a capacity of 4*500 MW
Creators: name: ÐÐ°ÑÐ¸Ð½, ÐÐ°ÐºÑÐ¸Ð¼
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: ÐºÐ¾Ð½Ð´ÐµÐ½ÑÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ°Ð½ÑÐ¸Ñ
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ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸
condensation power plant
technical and economic analysis
main electrical circuit
selection of equipment
system of own needs
starting of the most powerful motor
productivity regulation

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description: The aim of this work was the designing the electrical part of a condensation power plant using modern technical solutions and equipment. Tasks which were solved during educational designing: 1. The selection of the main power electrical equipment and the choice of the structural circuit of the power plant. 2. Technical and economic analysis of two variants of the structural circuit. 3. Calculation of currents of a three-phase symmetric short circuit at character-istic points of a power plant. 4. The selection of electrical devices, conductors, measuring equipment. 5. Consideration of electromechanical processes in the system of own needs of a power plant. 6. Designing figures of the main electrical circuit of the power plant and the circuit of one of the switchgears. In the work, turbogenerators, block step-up transformers, communication autotransformers (main power equipment) were selected. Based on the technical and economic analysis, the optimal structural circuit of the CPP was selected. Also switchgear circuits were selected. Short-circuit currents were calculated, according to the results of which circuit breakers, disconnecting switches, current leads, flexible and rigid conductors, cables, measuring current and voltage transformers were selected. The system of own needs of this power plant was considered in detail: the calculation of the success of self-starting of the motors was performed, and the start-up time of the most powerful aggregate was calculated. The issue of productivity regulation of motors of own needs was explained. The result of the work is a finished project of the electric part of the CPP which includes an explanatory note with the necessary calculations, figures of the main electrical circuit of the CPP and the circuit of the 220 kV switchgear.