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UHV AC transmission systems - Guideline for the measurement of UHV AC transmission line power frequency parameters. Original standard PD IEC TR 63042-303-2021 in PDF full version. Additional info + preview on request

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Renewable energy power forecasting technology. Original standard PD IEC TR 63043-2020 in PDF full version. Additional info + preview on request

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Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). - Environmental conditions. Original standard PD IEC TR 63044-2-2022 in PDF full version. Additional info + preview on request

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Documentation on design automation subjects. Mathematical algorithm hardware description languages for system level modeling and verification (HDLMath). Original standard PD IEC TR 63051-2017 in PDF full version. Additional info + preview on request

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Low-voltage switchgear and controlgear. Fire risk analysis and risk reduction measures. Original standard PD IEC TR 63054-2017 in PDF full version. Additional info + preview on request

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Adjusted volume calculation for refrigerating appliances. Original standard PD IEC TR 63061-2017 in PDF full version. Additional info + preview on request

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