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The role of a ventilation system is to establish or maintain conditions of temperature, humidity, dust content and gaseous products compatible with a certain degree of comfort [2], in the presence of various external inputs, respecting the noise level and air speed compatible with this comfort. In order to obtain prescribed (previously fixed) temperature, pressure and humidity conditions in ventilated premises, the air must first be subjected to a complex treatment process, a process that may include heating, cool...

For produce electricity from solar energy, it would be necessary for an inverter to convert the continuu current (DC) into alternating current (AC). The inverter is the cause of problems affecting the stability of the power supply system because it is a switching device used to adjust the AC frequency as required. At the same time, it can cause harmonics that result in waveform distortions and affect electronic devices that receive energy. Then it could cause malfunction of the electronic device. In this paper, we...

This article proposes a software tool, based on artificial intelligence technics, to grid operators and energy companies, to optimize the power system. Precisely, it uses pattern recognition capabilities of neural networks, in order to enable a higher share of renewable energy to consumers. The applied analysis on PV power and other related electrical grid data, such as smart energy meter readings, are based on pattern recognition technics. The neural networks used for this approach will identify days of the week ...