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Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general-purpose models. Wire-wound applications. Original standard BS EN 61857-21-2009 in PDF full version. Additional info + preview on request
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Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for encapsulated-coil model. Wire-wound electrical insulation system (EIS). Original standard BS EN 61857-22-2008 in PDF full version. Additional info + preview on request
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Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general purpose, tall-channel model. Wire-wound electrical insulation system (EIS). Original standard BS EN 61857-23-2002 (2003) in PDF full version. Additional info + preview on request
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Electrical insulation systems. Procedures for thermal evaluation - Applications with a designed life of 5 000 h or less. Original standard BS EN 61857-31-2017 in PDF full version. Additional info + preview on request
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Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS) - Wire-wound winding EIS. Original standard BS EN 61858-1-2014 in PDF full version. Additional info + preview on request
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Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS) - Form-wound EIS. Original standard BS EN 61858-2-2014 in PDF full version. Additional info + preview on request
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