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Avtonomna naprava za obojestransko merjenje sončnega sevanja s povezljivostjo v internet stvari
ID BARBIČ, URBAN (Author), ID Jankovec, Marko (Mentor) More about this mentor... This link opens in a new window

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Abstract
Na področju fotovoltaike se večkrat pojavi potreba po meritvi sončnega sevanja na težje dostopnih ali odročnih lokacijah za namen določanja energijskega izplena PV elektrarne v daljšem časovnem obdobju. V tej magistrski nalogi smo predstavili razvoj in izdelavo avtonomne naprave za merjenje sončnega sevanja in drugih okoljskih parametrov. V ta namen smo vgradili avtonomno napajanje, kjer se baterija polni z vgrajenimi sončnimi celicami. Naprava zajema podatke o trenutnem sončnem sevanju in spektru ter zračni temperaturi in vlagi. Pridobljene podatke obdela, shrani in pošlje prek brezžičnega GSM omrežja na oddaljen MQTT posrednik, kjer jih namensko izdelani strežniški program shrani in vizualizira s preprostim spletnim vmesnikom. Za zaščito vezij naprave smo razvili in izdelali tudi primerno vodotesno ohišje. Naprava je zgrajena tako, da omogoča dvostransko merjenje vseh naštetih parametrov in se je izkazala kot nepogrešljiv inštrument za načrtovanje zahtevnejših PV sistemov, kot je npr. agrovoltaika, kjer je skrbna postavitev PV modulov ključna za doseg načrtovanega razmerja med energijskim izplenom PV elektrarne in želeno rastjo kmetijskih pridelkov.

Language:Slovenian
Keywords:metrologija, sončno sevanje, senzor, internet stvari, agrovoltaika
Work type:Master's thesis/paper
Organization:FE - Faculty of Electrical Engineering
Year:2022
PID:20.500.12556/RUL-142262 This link opens in a new window
COBISS.SI-ID:127828483 This link opens in a new window
Publication date in RUL:28.10.2022
Views:610
Downloads:43
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Secondary language

Language:English
Title:Autonomous device for bifacial measurement of solar irradiation with connectivity to the Internet of Things
Abstract:
In the field of photovoltaics, we often encounter the need to measure solar irradiance at distant or difficult to reach locations. In this master’s thesis we present the development and production of an autonomous device for measuring solar irradiance and other environmental parameters. For that, we installed an autonomous power supply, where the battery charges from built-in solar cells. The device acquires solar irradiance and spectrum, air temperature and humidity data. Results are processed and sent via a wireless GSM network to a remote MQTT broker, where they are saved by a custom developed server-side program and visualized through a web interface. To protect the device, we also developed and manufactured a suitable water tight case. The device is built in such a way that it enables two-sided measurement of all the listed parameters and has proven to be an indispensable tool for designing advanced PV projects, such as agrovoltaics, where a careful placement of PV modules is a key to achieving the planned ratio between the energy output of the PV power plant and the growth of agricultural crops.

Keywords:metrology, solar irradiance, sensors, internet of things, agrovoltaics

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