The Use Case and Smart Grid Architecture Model Approach

Abstract

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Smart City Development Strategy Profile: Use Case Modeling Based on Simplicial Complexes

“…In 2015, a standard of the International Electrical Commission on use case methodology for complex systems was released (IEC 62559-2, 2015), which focused on power systems, and was followed in 2017 by a book describing how to apply this standard to smart grids (Gottschalk et al, 2017) via the Smart Grid Architecture Model (SGAM), developed by the Smart Grids Coordination Group (CEN-CENELEC-ETSI, 2012) The SGAM is a three-dimensional model composed of five vertical layers (the business, function, information, communication, and component layers), inspired by the interoperability layers defined by the GridWise Architecture Council (GWAC, 2008). Each layer has two axes: one for the zones representing the hierarchical model of power system management (from market to process) and another for the domains describing the electrical energy conversion chain (from generation to consumption).…”

“…The SGAM enables the use cases to be represented in accordance with the Use Case Template. The architecture layers and axes make it possible to map the different viewpoints and interactions according to the GWAC interoperability layers (Gottschalk et al, 2017;GWAC, 2008).…”

“…For example, a city government may wish to enhance the safety of a specific district. Taking the mixed-up approach (Gottschalk et al, 2017), the entities are then mapped into the digital infrastructure. In our case, safety could fall under the functional domain if the solution requires the installation of a camera network (but it could be viewed as a political domain, with the deployment of policy officers).…”

“…The Smart City Model can subsequently be linked to the conceptual model of the smart city development. The process described hereinafter as well as in Figure 3 was inspired by Figure 1.1 of (Gottschalk et al, 2017). Starting from the initial state of the smart city, with all of its existing activities, the smart city profile can be determined using the computation process described in the following section.…”

Structured workflow achieving interoperable smart energy systems

“…1. Identify use cases where interoperability is an issue and specify these by identifying system borders and requirements (Gottschalk et al 2017). 2.…”