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Solar PV Array Test Certificate

A Solar PV Array Test Certificate records the electrical testing of a photovoltaic array in accordance with BS 7671 and the IET Code of Practice for Grid Connected Solar PV Systems. It provides detailed string-by-string test results including open-circuit voltage, short-circuit current, insulation resistance, and polarity verification.

BS 7671:2018+A2:2022, IET Code of Practice for Grid Connected Solar PV SystemsValid: One-off (completed at installation or re-testing)

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Sample PV Array Test Cert certificate

Sample Solar PV Array Test Certificate certificate created with CertBox, showing the professional PDF layout with string-by-string voc and isc measurements, three-way insulation resistance testing (positive/earth, negative/earth, positive/negative), dc isolator and cable condition assessment

Sample PV Array Test Cert with fictional data. All personal details shown are fake.

What it covers

  • String-by-string Voc and Isc measurements
  • Three-way insulation resistance testing (positive/earth, negative/earth, positive/negative)
  • DC isolator and cable condition assessment
  • Earth continuity and earthing arrangement
  • Test instrument details and calibration date
  • Overall pass/fail result with observations

Who needs a PV Array Test Cert?

Solar PV installers commissioning new systems
Electricians re-testing existing PV arrays
Insurance assessors requiring electrical test evidence
Property buyers requesting PV system test certificates

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Frequently asked questions about PV Array Test Cert

What is the difference between a PV array test certificate and a verification certificate?
The array test certificate focuses specifically on DC-side electrical testing of the PV array (string voltages, currents, insulation resistance). The verification certificate covers the complete system including AC-side tests, visual inspection, and overall system functionality. Both are typically completed at commissioning.
What instruments are needed for PV array testing?
You need a DC clamp meter (for Isc), a multimeter (for Voc), an insulation resistance tester capable of testing at 500V DC or higher, and an earth continuity tester. All instruments must be calibrated and within their calibration date, which is recorded on the certificate.

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