Abstract
Publicly available grid datasets with electric steady-state equivalent circuit models are crucial for the development and comparison of a variety of power system simulation tools and algorithms. Such algorithms are essential to analyze and improve the integration of distributed energy resources (DERs) in electrical power systems. Increased penetration of DERs, new technologies, and changing regulatory frameworks require the continuous development of the grid infrastructure. As a result, the number and versatility of grid datasets, which are required in power system research, increases. Furthermore, the used grids are created by different methods and intentions. This paper gives orientation within these developments: First, a concise overview of well-known, publicly available grid datasets is provided. Second, background information on the compilation of the grid datasets, including different methods, intentions and data origins, is reviewed and characterized. Third, common terms to describe electric steady-state distribution grids, such as representative grid or benchmark grid, are assembled and reviewed. Recommendations for the use of these grid terms are made.
Highlights
The world wide paradigm shift from fossil fuels to sustainable and low-carbon energy systems brings profound changes to the way power systems are operated and planned. This is accompanied by numerous studies in the field of renewable energy source grid integration [1], such as studies to analyze distributed energy resources (DERs) hosting capacities [2,3,4], to analyze cost-efficient and secure grid planning for grids with a high share of DERs [5,6], or to simulate new solutions for smart grid operation [7]
While small adjustments might be made to the grid to better fulfill the requirements, the resulting grids are of real grids origin
Since system operators of several countries are regulated and receive incentives for efficiency, grid planning and operation management is often viewed from a financial perspective. This lead to a second understanding: A grid with which other grids are to be compared financially is named benchmark grid or, as mentioned in Section 4.1.7, reference network [78]
Summary
The world wide paradigm shift from fossil fuels to sustainable and low-carbon energy systems brings profound changes to the way power systems are operated and planned. To make power system research more available and comparable, a large body of openly available grid datasets, which can be used for research purposes, has been accumulated in the public domain. These datasets differ greatly with regards to aspects, such as the grid size, the applicability of different analyses, the intended use cases, the origin of the data, or the used generation methodologies. It is necessary to document methodologies and algorithms that can be used to generate new power system datasets
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