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Table 1. Prototype requirements

From: Can we benefit from game engines to develop digital twins for planning the deployment of photovoltaics?

ID

Brief requirement description

Requirement 1

Represent a light source that visually imitates the sun and its position on the sky depending on the absolute position (latitude, longitude) on earth and the time of the year

Requirement 2

Represent an array of commercially available PV modules with each module having the following attributes:

Multiple cells

Fixed slope and orientation (azimuth)

Flat mounted directly on roof

Requirement 3

A PV module cell must be capable of:

Power production when exposed to direct solar radiation (beam radiation)

Power production when exposed to indirect solar radiation and take account for shadows (diffuse radiation)