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Название: Algorithm and Software for Operative Calculations of the Short Circuits Modes
Авторы: Borisov, Stanislav
Kladiev, Sergey Nikolaevich
Obraztsov, Konstantin Valentinovich
Ключевые слова: алгоритмы; программное обеспечение; расчеты; короткие замыкания; электрические системы; электрические режимы; реле; электростанции
Дата публикации: 2015
Издатель: [s. n.]
Библиографическое описание: Borisov S. Algorithm and Software for Operative Calculations of the Short Circuits Modes / S. Borisov, S. N. Kladiev, K. V. Obraztsov // MATEC Web of Conferences. — 2015. — Vol. 37 : Smart Grids 2015 : September 28 - October 2, 2015, Tomsk, Russia : [proceedings]. — [01011, 7 p.].
Аннотация: Smart power grids provide efficient control of power flows or other grid variables, such as voltages or short circuit currents. Most essential the control has become, if the consumers are electrical systems of high power capacity. These systems are able to reconfigure the grid structure for emergency situations. The developed algorithm is intended for carrying out operational calculations of short-circuits modes in electrical grids of voltage 0,4kV to 220kV. In the calculation the following methods have been used: methods of node voltages, method of superposition and method of branch expansion to form the node voltage matrix according to the graphs theory. In the software the short circuit inflow from all electrical motors and nodes with generalized load is taken into account as opposed to other algorithms. The calculated circuit can have up to 700 nodes; there is ability to decrease number of branches and nodes and to form the calculative model of the grid part. Calculation algorithm of the short circuit currents is implemented as a sequence of software calculations. Software of systems and grids, in which short circuits are altered, allows carrying out operational calculations of the short circuit modes to adjust settings of relays protection devices, to check electrical equipment and to replace it, to choose optimal operational circuits. Actuality of the calculations is caused by need of the software implementation to maintain, upgrade and design the electrical grids of enterprises that have their own power plants.
URI: http://earchive.tpu.ru/handle/11683/32622
Располагается в коллекциях:Материалы конференций

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