The Use of Black-Box Optimization Method for Determination of the Bus Connection Capacity in Electric Power Grid

Andrzej Wędzik, Tomasz Siewierski and Michał Szypowski
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Andrzej Wędzik: Lodz University of Technology, Institute of Electrical Power Engineering, Stefanowskiego Str. 18/22, PL 90-924 Łódź, Poland
Tomasz Siewierski: Lodz University of Technology, Institute of Electrical Power Engineering, Stefanowskiego Str. 18/22, PL 90-924 Łódź, Poland
Michał Szypowski: Lodz University of Technology, Institute of Electrical Power Engineering, Stefanowskiego Str. 18/22, PL 90-924 Łódź, Poland

Energies, 2019, vol. 13, issue 1, 1-21

Abstract: One of the main tasks of the Power System Operators is to ensure a proper, safe, and trouble-free operation and development of power grids. Growth of power system is inseparably linked to a connection of both renewable and classical new energy sources. For network operators and potential investors, it is essential to know the place and volume of generation capacity that can be connected to the grid. A publication of such data is currently a legal obligation for many operators. This paper proposes a method of determining the bus connection capacity in power grid of any type with the use of black-box optimization. Calculations and analyses were performed with a full, nonlinear model of the analyzed network. Obtained results show the effectiveness of this method for both single and multiple nodes in any configuration. All the constraints relevant for the proper and safe system operation, such as bus voltages, line loads, and short-circuit currents, both in a steady-state and (n-1) contingency states, are taken into consideration. Calculations confirmed the good convergence and repeatability of the method for all three tested computational algorithms. This has also confirmed the possibility of use of open source software to extend the functionality of Siemens PSS ® E commercial power system calculation software.

Keywords: optimization; nonlinear optimization; black-box optimization; connection capacity; power systems (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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