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Wind energy generation systems - Electrical simulation models. Model validation. Original standard UNE-EN IEC 61400-27-2-2020 in PDF full version. Additional info + preview on request

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Wind energy generation systems - Wind turbine blades. Original standard UNE-EN IEC 61400-5-2020 in PDF full version. Additional info + preview on request

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Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-1- Test methods - Method 1- Determination of the arc rating (ELIM, ATPV and or EBT) of clothing materials and of protective clothing using an open arc. Original standard UNE-EN IEC 61482-1-1-2020 in PDF full version. Additional info + preview on request

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Installation couplers intended for permanent connection in fixed installations. Original standard UNE-EN IEC 61535-2020 in PDF full version. Additional info + preview on request

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Components for low-voltage surge protection - Performance requirements and test methods for metal oxide varistors (MOV). Original standard UNE-EN IEC 61643-331-2020 in PDF full version. Additional info + preview on request

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Photovoltaic (PV) module safety qualification - Part 1- Requirements for construction. Original standard UNE-EN IEC 61730-1-2019 in PDF full version. Additional info + preview on request

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