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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Modeling the inertial response of solar power plants with a disturbance in the external electrical network
Creators: name: ÐÐ°ÑÐµÐºÐ°, ÐÐ°ÑÐ¸Ð»Ð¸Ð¹
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: 2021
Subjects: Ð¡Ð¾Ð»Ð½ÐµÑÐ½ÑÐµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸
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description: The subject of the graduate qualification work is "Modeling the inertial response of solar power plants with a disturbance in the external electrical network." This work is devoted to the study of the inertia of solar power plants, their influence on the power system and methods for improving the dynamic properties of the power system, initiating solar power plants. The tasks that were solved in the course of the study: 1. Modeling a solar power plant in the MATLAB/Simulink software package; 2. Proof of low inertia of the solar power plant; 3. Simulation of the inertial response of a solar power plant to increase inertia. An increase in the share of renewable energy sources, which are connected to the power grid by means of inverters, leads to a decrease in the total inertia of the power system, which, in turn, becomes a significant problem for small power systems in terms of their stability. In order to reduce the negative impact, which manifests itself, for example, in case of unwanted generation reset or short circuits, inverters can provide an inertial negative response ("virtual inertia") in accordance with the needs of the electrical system. To solve this problem, the paper proposes a model of inertia, implemented by means of special control algorithms, increasing the dynamic properties of a solar power plant. Checking the effectiveness of the proposed solution, implemented using MATLAB/Simulink, where a test model of a small electrical system is implemented, which includes generation based on photovoltaic cells.