IEC 61557-1:2019 pdf download
IEC 61557-1:2019 pdf download.Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. 1 Scope This part of IEC 61 557 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500...
IEC 62271-209:2019 pdf download
IEC 62271-209:2019 pdf download.High-voltage switchgear and controlgear – Part 209: Cable connections for gas-insulated metal-enclosed switchgear for rated voltages above 52 kV 1 Scope This part of IEC 62271 covers the connection assembly of fluid-filled and extruded cables to gas-insulated metal enclosed switchgear (GIS), in single- or three-phase arrangements where the cable terminations are fluid-filled or dry-type and there is...
IEC 61892-5:2019 pdf download
IEC 61892-5:2019 pdf download.Mobile and fixed offshore units – Electrical installations – Part 5: Mobile units 1 Scope This part of IEC 61 892 specifies additional characteristics for electrical installations in mobile units. It applies to installations that depend on buoyancy, such as column-stabilized units (semi-submersible units), ship- or barge-type units as well as self-elevating units. It specifies additional characteristics...
IEC 61892-1:2019 pdf download
IEC 61892-1:2019 pdf download.Mobile and fixed offshore units – Electrical installations – Part 1: General requirements and conditions 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: • IEC Electropedia: available at http://www.electropedia.org/ • ISO Online browsing platform: available...
IEC 61892-1:2019 pdf download
IEC 61892-1:2019 pdf download.Mobile and fixed offshore units – Electrical installations – Part 1: General requirements and conditions 1 Scope This part of IEC 61 892 is applicable to electrical installations and equipment in mobile and fixed offshore units, including pipeline, pumping or “pigging” stations, compressor stations and single buoy moorings, used in the offshore petroleum industry for drilling, production,...
IEC 62765-2:2019 pdf download
IEC 62765-2:2019 pdf download.Nuclear powers plants – Instrumentation and control important to safety – Management of ageing of sensors and transmitters 1 Scope This part of IEC 62765 identifies minimum requirements and applicable practices for correcting and preventing any potential impacts on nuclear power plant (NPP) safety due to the ageing of temperature sensors, such as NPP resistance temperature detectors...
IEC 61557-3:2019 pdf download
IEC 61557-3:2019 pdf download.Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. 4 Requirements 4.1 General In addition to the requirements of IEC 61 557-1 :201 9, Clause 4, the requirements of Clause 4 of this document shall apply. Equipment intended to be used on the distribution system shall, at the...
IEC 61315:2019 pdf download
IEC 61315:2019 pdf download.Calibration of fibre-optic power meters 1 Scope This document is applicable to instruments measuring radiant power emitted from sources that are typical for the fibre-optic communications industry. These sources include laser diodes, light emitting diodes (LEDs) and fibre-type sources. Both divergent and collimated radiations are covered. This document defines the calibration of power meters to be performed...
IEC 61563:2019 pdf download
IEC 61563:2019 pdf download.Radiation protection instrumentation – Equipment for measuring the activity concentration of gamma-emitting radionuclides in foodstuffs 1 Scope This document applies to instruments used to measure the activity and/or activity concentration of gamma-emitting radionuclides in food and/or foodstuffs. This document applies to instruments used both as gross count type instruments and pulse height analysing type instruments used in...
IEC 61557-2:2019 pdf download
IEC 61557-2:2019 pdf download.Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. 1 Scope This part of IEC 61 557 specifies the requirements applicable to equipment for measuring the insulation resistance of equipment and installations in the de-energized state. 2 Normative references The following documents are referred to in the text...