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Telecontrol equipment and systems - Transmission protocols. Conformance test cases for the IEC 60870-5-101 companion standard. Original standard PD IEC TS 60870-5-601-2015 in PDF full version. Additional info + preview on request

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Telecontrol equipment and systems - Conformance test cases for the IEC 60870-5-104 companion standard. Original standard PD IEC TS 60870-5-604-2016 in PDF full version. Additional info + preview on request

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Telecontrol equipment and systems - Transmission protocols. Security extensions to IEC 60870-5-101 and IEC 60870-5-104 protocols (applying IEC 62351). Original standard PD IEC TS 60870-5-7-2025 in PDF full version. Additional info + preview on request

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Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V - Endurance testing. Original standard PD IEC TS 60871-2-2014 + A1-2022 in PDF full version. Additional info + preview on request

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Shunt capacitors for AC power systems having a rated voltage above 1 000 V - Protection of shunt capacitors and shunt capacitor banks. Original standard PD IEC TS 60871-3-2015 + A1-2023 in PDF full version. Additional info + preview on request

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Photovoltaic devices Part 1-2: Measurement of current-voltage characteristics of bifacial photovoltaic (PV) devices. Original standard PD IEC TS 60904-1-2-2024 in PDF full version. Additional info + preview on request

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