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IEC TR 63042-303-2021 pdf free

IEC TR 63042-303-2021 pdf free.UHV AC transmission systems - Part 303: Guideline for the measurement of UHV AC transmission line power frequency parameters. If the transmission line to be measured is composed of overhead lines, cables or...

06-24-2021

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ISO/IEC 19944-2017 pdf free

ISO/IEC 19944-2017 pdf free.Information technology - Cloud computing - Cloud services and devices: Data flow, data categories and data use. Data taxonomies, data categories and data use statement structure (applicable to data exchanges between devices and cloud...

06-24-2021

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IEC TS 63209-1-2021 pdf free

IEC TS 63209-1-2021 pdf free.Photovoltaic modules - Extended-stress testing - Part 1: Modules. This document is intended to provide information to supplement the baseline testing defined in IEC 61215. which is a qualification test with pass-fail criteria....

06-24-2021

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IEC TS 62966-3-2021 pdf free

IEC TS 62966-3-2021 pdf free.Mechanical structures for electrical and electronic equipment - Aisle containment for it cabinets - Part 3: Aspects of operational and personal safety. This part of IEC 62966 defines the requirements for operational and...

06-24-2021

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IEC TS 60034-31-2021 pdf free

IEC TS 60034-31-2021 pdf free.Rotating electrical machines - Part 31: Selection of energy-efficient motors including variable speed applications - Application guidelines. This clause introduces the importance of energy efficiency and the high energy saving potential related to...

06-24-2021

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EN IEC 60305-2021 pdf free – Ceramic or glass insulator units for AC systems

EN IEC 60305-2021 pdf free.Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for AC systems - Characteristics of insulator units of the cap and pin type (IEC 60305:2021)....

06-23-2021

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EN IEC 62787-2021 pdf free

EN IEC 62787-2021 pdf free.CONCENTRATOR PHOTOVOLTAIC (CPV) SOLAR CELLS AND CELL ON CARRIER (CoC) ASSEMBLIES - QUALIFICATION. Due to the very small bare solar cell dimensions any marking on cell is usually not possible. Therefore, an ID...

06-23-2021

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IEC 60502-1-2021 Power cables with extruded insulation and their accessories for rated voltages

IEC 60502-1-2021 pdf free.Power cables with extruded insulation and their accessories for rated voltages from1kV(Um=1,2kV)upto30kV(Um=36kV)- Part 1: Cables for rated voltages of1 kV (Um= 1,2 kV) and 3 kV (Um= 3,6 kV). The metal layers of the...

06-23-2021

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IEC 60433-2021 pdf free – Ceramic insulators for AC systems

IEC 60433-2021 pdf free.Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic insulators for AC systems - Characteristics of insulator units of the long rod type. IEC 60433 is applicable to string...

06-23-2021

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BS EN IEC 60809:2021 pdf free Lamps and light sources for road vehicles

BS EN IEC 60809:2021 pdf free.Lamps and light sources for road vehicles一 Dimensional, electrical and luminous requirements. The following information shall be legibly and durably marked on all filament lamps, except for non-replaceable filament lamps: — the...

06-23-2021

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