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IEC 61850-3-2013 pdf free

IEC 61850-3-2013 pdf free.Communication networks and systems for power utility automation – Part 3: General requirements.
This part of IEC 61850 defines the general requirements, mainly regarding construction. design and environmental conditions for utility communication and automation lEDs and systems in power plant and substation environments. These general requirements are in line with requirements for IEDs used in similar environments, for example measuring relays and protection equipment.
When communication or automation lEDs are an integral part of another device in the power plant or substation, then the environmental requirements for the device itself apply to the communications equipment.
2 Normative references
The following documents, in whole or in part, are normatively referenced In this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60068-2-1:2007, Environmental testing — Part 2-1: Tests — Test A: Cold
IEC 60068-2-2:2007, Environmental testing — Part 2-2: Tests — Test 8: Dry heat
IEC 60068-2-14:2009, Environmental testing — Part 2-14: Tests — Test N: Change of temperature
IEC 60068-2-30:2005, Environmental testing — Part 2-30: Tests — Test Db: Damp heat, cyclic (12 h * 12 h cycle)
IEC 60068-2-78:2001, Environmental testing — Part 2-78: Tests — Test Cab: Damp he at steady state
IEC 60255-21-1, Electncal relays — Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment — Section 1: Vibration tests (sinusoidal)
IEC 60255-21-2. Electrical relays — Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment — Section 2: Shock and bump tests
IEC 60255-21-3. Electrical relays — Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment — Section 3: Seismic tests
IEC 60255-27:2013, Measuring relays and protection equipment — Part 27: Product safety requirements
IEC 60417, Graphical symbols for use on equipment. Available from <http:i/www.graphicalsymbols.infolequipment>
ISO 780:1997, Packaging — Pictorial marking for handling of goods
ISO 7000. Graphical symbols for use on equipment — Registered symbols. Available from <http://www.graphical-symbols.info/equipment>
ISO 9772, Cellular plastics — Determination of horizontal burning characteristics of small specimens subjected to a small flame
IEEE 1613:2009, IEEE standard environmental and testing requirements for communications networking devices ins ta/led in electric power substations
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 61 850-2. as well as the following, apply.
3.1.1 accessible part
part which can be touched in normal operational use with a standard rigid or jointed test finger as specified in IEC 60529
Note 1 to entry: Accessible in normal operational use applies mainly to the front of the equipment only, for the purposes of this standard.
Note 2 to entry: A communication circuit/network, which may be connected and taken outside of the cubicle housing. the equipment, or on the front of the panel without the need to open a cover or flap to access it. should be considered to be accessible, i.e. should be PEB, PELV, SELV or equivalent.
(SOURCE: IEC 60050-442:1998, 442-01-15, modified — Notes 1 and 2 to entry have been added.]
3.1.2 adjacent circuits
electric circuits which are separated from the considered circuit by the necessary basic or double/reinforced insulation.IEC 61850-3 pdf download.

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