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Měření teploty ve fotovoltaických systémech / Measuring temperature in the photovoltaic systemsVičar, Pavel January 2010 (has links)
This diploma thesis deals with covers design and realisation of device for multipoint temperature measuring in fotovoltaic systems. As a controlling microcomputer is used Atmel ATMega128L, temperature sensors are realised by DS18S20 digital thermometers, connected via 1-wire bus. System can read temperature from x temperature sensors, includes memory for measured data, real time clock and display with buttons for basic user control. Temperatures are measured periodically, values are stored into internal memory and showed on display.Measured data can also be transferred via seriál bus to clinent PC. Device is projected as a battery-operated compact tool. The final realization is made with respect to minimal system requirements and to possible future extensibility for wider usage spectrum.
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Vývoj ostrovního fotovoltaického systému / Development of RAPS systémSvoboda, Luboš January 2011 (has links)
The project considers realization system, which will allow us to test six different operation modes on lifetime accumulators. The system will link to computer, which will execute measurement current and tension and switch betwencharging and discharging modes. The measured values will record in someone time intervals in to computer memory. After someone time will analise these measured valuer and will provide optional operation mode.
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