Prospective Environmental and Economic Assessment of a Sensor Network
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Portillo Rodríguez, Francisco; García Salvador, Rosa María; Alcayde García, Alfredo; Gázquez Parra, José Antonio; Fernández Ros, Manuel; [et al.]Fecha
2021-09-15Resumen
Sustainability is becoming of vital importance in project management, and a life cycle assessment (LCA) can ensure a body of knowledge to bear in mind the environmental burdens the project involves. In this study, two different ways of supplying energy to a sensor network are analyzed. Firstly, we analyze the environmental impact of the devices connected to the public grid. Secondly, we analyze the completely full off-grid system, with the sensor connected to a photovoltaic (PV) panel. Our findings show that the off-grid option has a greater number of benefits than the grid-connected option in terms of environmental impacts, although it is less economically advantageous. In a detailed analysis of the off-grid scenario, it can be observed that the battery is the component with the highest impact, so actions to try to reduce consumption, and, therefore, the battery size and its negative impact are taken. After reducing the battery size, the break-even point was reached, providing a net e...
Palabra/s clave
life cycle assessment
product environmental footprint
life cycle cost
sensor network
sustainability