PHOTOVOLTAIC CHECK-UP


HERE ARE SOME OF OUR INSTRUMENTAL MEASUREMENT CAMPAIGNS (DOWNLOAD HERE)



                                                                                                  
 Measurements performed on n.ro 3 plant in Cagliari (CA) for a total power of 53,4 MWp
- I-V curve measurement on a 100% of DC string
- Voc/Isc test on a 100% of DC string
- Digitization of the plant by means of high resolution drone aerial photogrammetry
- Performance testing of centralized inverters with power of 1000 kW each.
- Drone thermography with Radiometric Thermal Orthomosaic reconstruction of the entire photovoltaic plant


        
                                                                                                  
 Measurements performed on plant in Siracusa (SR) for total poer of 13,5 MWp
- I-V curve measurement on a 100% of DC string
- DC string insulation measuremen on 100% strings
- Digitization of the plant by means of high resolution drone aerial photogrammetry
- Geo-referenced survey of the serial numbers of approximately 29,000 photovoltaic modules

        
                                                                                                  
 Measurements performed on a lot of plants in Molise, Abruzzo, Basilicata, Marche and Puglia (Italy) for a total of 33.78 MWp
- I-V curve measurement on a 100% of DC string
- Plant testing PRp% CEI 82-25 standard
- Thermographic analysis of photovoltaic modules, inverters, DC string box and MT Transformer
- On site Electroluminescence with PID analysis (Potential Induced Degradation defect)

          
                                                                                                 
 Measurements performed on a plant composed of: 668 strings of 21 240 Wp photovoltaic modules (total of 14028 modules)
- I-V curve measurement on a 100% of DC string
- DC string insulation measurement
- Test and thermography on MT Transformer
- Plant test with PR% measurement by CEI 82-25 standard
- Thermographic analysis of photovoltaic modules, inverters and DC string box

          
  
                                                                                                   
 Measurements performed on a plant consisting of: 1329 strings of 20 photovoltaic modules of 235 Wp (26580 modules)
- PID effect analysis (Potential Induced Degradation defect)
- I-V curve measurement on a 100% of DC string
- DC string insulation measurement
- On site Electroluminescence with PID analysis (Potential Induced Degradation defect)
- Thermographic analysis of photovoltaic modules, inverters and DC string box

          
  
 Measurements performed on a plant composed of: 213 strings of 21 220 and 225 Wp photovoltaic modules (4473 modules)
- Compliance dichiaration on Italy Law 21 giune 2017, n. 96, art. 57-quater
- Verification of electrical continuity and connection between modules - Check the grounding of masses and unloaders
- Visual inspection of the photovoltaic plant - Verification of the insulation of the electrical circuits from the masses
- Verification of the working current of the strings - Verification of the short-circuit current of the electric circuit from the masses
- Verification of the open circuit voltage of the strings - Verification of insulation - Verification of the correct functioning of the photovoltaic plant



  Measurements performed on a plant composed of: 208 strings of 20 240 Wp photovoltaic modules (4160 modules)
- PID effect analysis (Potential Induced Degradation defect)
- I-V curve measurement on a 100% of DC string 
- DC string insulation measurement
- I-V curve measurement for a sample of single module
- Thermographic analysis of photovoltaic modules, inverters and DC string box 




  Measurements performed on a plant consisting of: 102 strings of 18 240 Wp photovoltaic modules (4122 modules)
- I-V curve measurement on a 100% of DC string   
- DC string insulation measurement
- Plant test with PR% measurement by CEI 82-25 standard on two plant inverter  (n. 2 JEMA x 500 kWp)
- I-V curve measurement for a sample of single module
- Thermographic analysis of photovoltaic modules, inverters and DC string box



  Measurements performed on a plant composed of: 214 strings of 18 240 Wp photovoltaic modules (3852 modules)
- I-V curve measurement on a 100% of DC string   
- DC string insulation measurement
- Plant test with PR% measurement by CEI 82-25 standard on two plant inverter  (n. 2 JEMA x 500 kWp)
- I-V curve measurement for a sample of single module
- Thermographic analysis of photovoltaic modules, inverters and DC string box



  Measurements performed on a plant composed of: 195 strings of 20 photovoltaic modules of 235 Wp (3900 modules)
- DC string insulation measurement 
- Plant test with PR% measurement by CEI 82-25 standard on two plant inverter (n. 1 SUNWAY TG 385 e n. 1 SUNWAY TG 610)
- Thermographic analysis of photovoltaic modules, inverters and DC string box
- Check continuity and measurement of the resistance of PE protective conductors


 
  Measurements performed on a plant composed of: 372 strings of 14 photovoltaic modules of 190 Wp (5208 modules)
- I-V curve measurement on a 100% of DC string   
- DC string insulation measurement
- Plant test with PR% measurement by CEI 82-25 standard on two plant inverter  (n. 2 JEMA x 500 kWp)
- I-V curve measurement for a sample of single module
- Thermographic analysis of photovoltaic modules, inverters and DC string box


CONTACT US FOR TECHNICAL ANALYSIS OF YOUR PHOTOVOLTAIC PLANT

We are available for individuals and installers for technical inspection and expertise also for legal disputes use. 
Contact us info@st-ingegneria.com

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