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  • Photovoltaic

Photovoltaic

  • Stazione meteo-radiometrica
  • MicroSOL3 particolare
  • Piranometro

 

Main applications

1. Medium-large photovoltaic systems
2. Photovoltaic systems with solar tracking (trackers)
3. Thermal-solar systems with parabolic mirrors

 

More information

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  • Description
  • Specifications
  • Accessories
  • Download PDF
  • Description
  • Specifications
  • Accessories
  • Download PDF

Description

MAIN FEATURES 

The MicroSOLAR meteorological stations have been designed and constructed to measure the solar radiation and the other climatic conditions which can affect the performance of photovoltaic plants. The monitoring is carried out in compliance with IEC 61724, CEI 82-25 and IEC 60904 standards, using Geoves professional instruments and  other main manufacturer sensors in the field of radiometry.

MicroSOLAR stations are extremely versatile and, in the basic version, measure the solar radiation, the air and the panel temperatures and the wind speed. In the models more complex MicroSOLAR can interface the following signals:

  • 4-20mA signals from inverters or other external devices
  • Automatic sun trackers 
  • Silicon cell or thermopile pyranometers (ISO9060 Secondary Standard, First or Second Class of accuracy)
  • Other meteorological sensors to measure environmental parameters in compliance with WMO (World Meteorological Organization) that can affect the performance of photovoltaic plant (eg. rel. humidity, rain, etc…)

The data transmission is performed in two ways: 1) Via LAN/ethernet cable, 2) wireless GPRS with data sending on a FTP area,  3) manually downloading the data from the SD Card. Furthermore the istantaneous data of each meteological measure can be available on a RS485 ModBus output to connect the datalogger to external SCADA.


ADVANTAGES

Conformity

  • Dataloggers and measurement stations: IEC 61724, CEI 82-25 e IEC 60904 
  • Pyranometers and radiometers: ISO9060, ISO 17025 e WMO 
  • Meteorological sensors: WMO Annex 8

Accuracy, reliability and robustness 

  • Measurement sampling time 1 second with data storage every 5 (default), 10-15-30 or 60’
  • Certifiability of all meteorological sensors by accredited laboratories (Accredia, WMO, Measnet, etc…)
  • Instruments, cables, brackets and datalogger enclosures made in stainless materials able to resist in any working conditions (direct irradiation, thermal excursions, salinity, sand, wind gusts, hail, etc…)
  • Data protection system against manipulation

Versatility, compatibility and easiness of using

  • Each station can be fix with several kind of poles and brackets, or portatile with carrying case for instruments and foldable tripod for the on-site installation.
  • Data storage in TXT standard format with values separated by commas (CSV format)
  • Automatic procedure of GPRS aerial aiming by datalogger with on-site control of reception GPRS signal
  • On-board display for measurement reading 

Other features

  • Italian technology and Minimum maintenance
  • After-sales technical assistance service for maintenance and calibrations

 

 

 

Specifications

Model mSOL3 – Multichannel Datalogger
I/O Channels n.8 analog inputs (+ 8 option on Expa8 interface): in voltage or current (typ.0…5Vdc or 4…20mA);
n.2 insulated digital inputs (pulse counter)  for sensors with “high” frequency up to 50KHz (anemometers, flow gauges, ecc…) and with “low” frequency output (rain gauges), sensors that requires the time counting (sunshine duration, leaf wetness,...), on/off signal (free-contacts);
n.1 diagnostic  input for battery monitor
Power supply 10…14.4Vdc (typical 12Vdc); On-board battery charger, input from photovoltaic panel, with battery monitoring (deactivation of the load <10,5Vdc, restart >12Vdc) or power supplier 220Vac/12Vdc
Average autonomy of a weather station with 7 measures

>15days:  with 12Vdc/7Ah battery, 20W photov. panel, storage: 5’ transmission: 60’
>30days:  with 12Vdc/18Ah battery, 30W photov. panel, storage: 5’ transmission: 60’

Transmission of elaborated data 

Wireless via GSM/GPRS on FTP area
wired via RS232/LAN cable with PC free software for data download

Transmission of istantaneous data

Option: sensor signals duplication on a interface with  RS485 MODBUS RTU slave / TCP/IP output

Programming

 On site: setting of text file in the SD Card memory

 

Settable parameters

• Date and time with NTP synchronization (network time protocol)
• Anemometer and rain gauge constants
• Storage rate (5, 10, 15, 30 or 60’);
• Transmission rate (5, 10, 15, 30 or 60’); 

Elaborations

Min, max (gust), arithmetic average, standard deviation, turbulence; trigonometric average; sum; diagnostic measure for battery voltage. Calculable measurements (if the weather sensors that allow the calculation are present): Evapotranspiration Et0, TD Dew point temperature, TWB wet bulb temperature

Data storage

Data backup of 500 days with circular storage 

IP65 Enclosure (basic version) Plastic material Dim.(LxHxP): 250x350x160mm, key closure and universal brackets for mounting on the pole.  

 

 

 

Accessories

PYRANOMETERS

PIRSC - Silicon cell pyranometer

PIR2S - Thermopile pyranometer (Sec. Std Cl.)

PIR01 - Thermopile pyranometer (1st Cl.)

PIR02 - Thermopile pyranometer (2nd Cl.)

 

METEOROLOGICAL SENSORS

STC - Contact thermometer (for photovoltaic panels)

mSTAUR - Thermohygrometer

mWS1 - Compact wind speed sensor

mWD1 - Compact wind direction sensor

RG200 - Rain gauge 200cm2 or 400cm2

 

DATALOGGERS

MicroMet3 Datalogger for fixed stations

 

SOFTWARE

Geodesk (free service software)

MeteoGraph (web software) 

  

ACCESSORIES

Supports and brackets for sensors

 

 

Download PDF

Documenti
Download this file (MicroSOL3-Meteo-radiometric-stations-Rev3_eng.pdf)Weather stations for photovoltaic plants[Datasheet]1550 kB

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