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In this paper project and measured characteristics of the laptop's power supply station with photovoltaic module are presented. This device consists of two switch-mode voltage regulators, photovoltaic module and the lead-acid battery. In the following sections step-down and step-up switch-mode voltage regulators are described and the measured by the author characteristics of voltage regulators and...
Grid-connected photovoltaic systems with local energy consumption can be equipped with additional energy buffer to increase self consumption when feed-in-tariffs are low or to reduce the negative impact on power network in some periods. The buffer is typically implemented with a lead-acid battery dedicated for day-to-night energy storage. Since the solar energy fluctuates highly during the day, the...
The paper presents the idea behind the implementation of the BioSiP system designed for monitoring biomedical parameters and the patient's behaviour, based on the architecture of a measurement module system located on the subject's body. The system could be developed owing to the market launch of new generations of electronic devices combining high functionality, small size and low power consumption...
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