title: ÐÐ½Ð°Ð»Ð¸Ð· ÑÑÑÐ°Ð½Ð¾Ð²Ð¸Ð²ÑÐ¸Ñ ÑÑ Ð¸ Ð¿ÐµÑÐµÑ Ð¾Ð´Ð½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð¾Ð² Ð² ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ðµ 750/330 ÐºÐ
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: Analysis of steady-state and transient modes in the 750/330 kV electric power system
Creators: name: ÐÐ°ÑÐ¼Ð°ÑÐµÐ², Ð Ð¾Ð¼Ð°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: 2024
Subjects: Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐµÑÐ¸
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power grid equipment
steady-state of an electrical system
asymmetric short cir-cuit
system dynamic stability

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description: This work includes several crucial and consistent tasks. The first of these is the selection of power equipment and power lines cross-sections, as well as the inspection of loading conditions in normal and post-accident modes and long-term permissible current respectively. After determining the basic composition of the elements of the electric power system, the calculation of its steady-state operation is carried out. Calculations are performed in two ways: analytically and using the RastrWin software. Based on the results of the calculation, measures are taken to optimize the operation mode to maintain the required voltage levels in the load nodes, taking into account the permissible deviations and ensuring rational power flows along the branches of the network. The next step is to determine the currents and voltages of a single-phase short circuit by analytical calculation using the method of symmetric components, as well as using the EMTP software package. The results are vector diagrams and oscillograms of currents and voltages at the site of a short circuit and, at the same time, the value of the shock current of a short circuit. The final part of the work is the study of the dynamic stability of the system using short circuit modeling in the Dymola software package. Based on the results of calculations, the maximum short-circuit shutdown times for various types of damage are determined and emergency management measures are proposed, in particular, disconnection of the stations hydro generators and sequential electric braking.