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Rotating electrical machines - Part 31- Selection of energy-efficient motors including variable speed applications - Application guidelines. Original standard IEC TS 60034-31-2021 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Part 32- Measurement of stator end-winding vibration at form-wound windings. IEC TS 60034-32:2016-12(en). Original standard IEC TS 60034-32-2016 in PDF full version. Additional info + preview on request

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Rotating electrical machines - Part 34- AC adjustable speed rolling mill motors. IEC TS 60034-34:2020-11. Original standard IEC TS 60034-34-2020 in PDF full version. Additional info + preview on request

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Power transformers - Part 19- Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors. Original standard IEC TS 60076-19-2013 in PDF full version. Additional info + preview on request

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Power transformers - Part 20- Energy efficiency. IEC TS 60076-20:2017-01(en). Original standard IEC TS 60076-20-2017 in PDF full version. Additional info + preview on request

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Corrigendum 1 - Power transformers - Part 20- Energy efficiency. IEC TS 60076-20:2017-01/COR1:2018-01(en). Original standard IEC TS 60076-20-2017 cor1-2018 in PDF full version. Additional info + preview on request

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