IEC 62446-2-2020 Photovoltaic (PV) systems – Requirements for testing, documentation and maintenance – Part 2: Grid connected systems – Maintenance of PV systems. 4 System documentation requirements This clause of IEC 62446-1 :201 6 is applicable with the following exceptions: 4.1 General Addition: Additional documentation should be maintained in support of maintenance measures and activities and should be recorded by maintenance personnel following any inspection,maintenance or repair activity. The date, description of the activity, and any findings should be included in the record. 4.8 Operation and maintenance information Addition: h) Monitoring system alarm settings. i) Schedule of verification and maintenance intervals as determined in 1 0.2. j) Evolving site-specific recommendations for periodic or follow-up testing based on findings during maintenance activities, tests, or inspections. k) As-built construction drawings and an accurate major components list, noting any substitutions, damaged and/or replaced components. l) A spare-parts list and schedule of replacement for applicable components. m) Any site-specific recommendations for periodic monitoring and testing for novel experimental components or sub-systems. n) Schedule of component calibrations, including power and weather monitoring devices. o) Certificates and dates of component calibrations, or a history of their replacement dates,as applicable. O&M personnel shall work with the system owner or responsible operator to locate or recreate any missing documentation covered by this list while keeping documentation in a safe and secured place. Addition: 4.1 0 Performance benchmarking System performance benchmarks shall be maintained from test reports conducted according to one or more of the following: a) Performance related clauses of IEC 62446-1 :201 6, b) IEC TS 61 724-2, c) IEC TS 61 724-3, and, d) Any additional performance related testing. The benchmarking shall be used for comparison with repeated performance checks taken during maintenance procedures called out in IEC 62446-2. Benchmarking information should at a minimum include parameters and information covered by the model PV array test report provided in informative Annex C of IEC 62446-1 :201 6. 4.1 1 Documentation of records Test data and results from the maintenance procedures detailed in Clause 9 of IEC 62446-1 :201 6 shall be maintained. These records should be used for reference, trending of performance and corrective actions, and for general record keeping in the case of warranty claims or a change of ownership of the system. 5 Verification This clause and the subclauses of IEC 62446-1 :201 6 are applicable where specifically called out by the requirements in...
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