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IEC 62446-2-2020 pdf free

IEC 62446-2-2020 pdf free.Photovoltaic (PV) systems - Requirements for testing, documentation and maintenance - Part 2: Grid connected systems - Maintenance of PV systems. This document also addresses maintenance activities for maximizing anticipated performance such as module...

07-05-2021

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IEC 60045-1-2020 Steam turbines – Part 1: Specifications

IEC 60045-1-2020 pdf free.Steam turbines - Part 1: Specifications. This part of IEC 60045 is applicable primarily to land-based horizontal steam turbines driving generators for electrical power services. Some of its provisions are relevant to turbines for...

07-05-2021

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IEC 60335-1-2020 pdf free

IEC 60335-1-2020 pdf free.Household and similar electrical appliances - Safety - Part 1: General requirements. IEC 60335-1 deals with the safety of electrical appliances for household and similar purposes, their rated voltage being not more than 250...

07-05-2021

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IEC 60754-2-2019 pdf free – Determination of acidity and conductivity

IEC 60754-2-2019 pdf free.Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity. This part of IEC 60754 specifies the apparatus and procedure for the determination...

07-03-2021

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IEC 60879-2019 pdf free Comfort fans and regulators for household and similar purposes – Methods for measuring performance

IEC 60879-2019 pdf free.Comfort fans and regulators for household and similar purposes - Methods for measuring performance. IEC 60879 specifies the performance-measuring methods of comfort fans and regulators for household and similar purposes, including conventional fans, tower...

07-03-2021

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IEC 61034-1-2019 pdf free – Measurement of smoke density of cables burning under defined conditions – Part 1: Test apparatus

IEC 61034-1-2019 pdf free.Measurement of smoke density of cables burning under defined conditions - Part 1: Test apparatus. This part of IEC 61034 provides details of the test apparatus to be used for measuring smoke emission when...

07-03-2021

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IEC 60809-2019 pdf free – Lamps for road vehicles – Dimensional, electrical and luminous requirements

IEC 60809-2019 pdf free.Lamps for road vehicles - Dimensional, electrical and luminous requirements. IEC 60809 is applicable to replaceable and standardised lamps (filament lamps, discharge lamps and LED light sources) to be used in headlamps, fog-lamps and...

07-03-2021

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IEC 81346-2-2019 pdf free

IEC 81346-2-2019 pdf free.Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes. The following documents are referred to in the text in...

07-03-2021

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EN IEC 60193-2019 pdf free

EN IEC 60193-2019 pdf free.Hydraulic turbines, storage pumps and pump-turbines - Model acceptance tests (IEC 60193:2019). This document applies to laboratory models of any type of impulse or reaction hydraulic turbine, storage pump or pump-turbine. This document...

07-03-2021

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IEC 60071-1-2019 Insulation co-ordination – Part 1: Definitions, principles and rules

IEC 60071-1-2019 pdf free.Insulation co-ordination - Part 1: Definitions, principles and rules. This part of IEC 60071 applies to three-phase AC systems having a highest voltage for equipment above 1 kV. It specifies the procedure for the...

07-03-2021

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