IEC TR 60664-2-2:2002 

Insulation coordination for equipment within low-voltage systems - Part 2-2: Interface considerations - Application guide


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IEC TR 60664-2-2:2002(E) Provides an overview of the different kinds of surge overvoltages that can occur on low-voltage installations and equipment. In particular:
- the magnitude and duration of typical surges as well as their frequency of occurrence;
- information on overvoltages resulting from interaction between power and communication systems;
- guidelines when considering interface issues in relation to insulation coordination;
- guidelines concerning surge protection means on the basis of availability and risk considerations, including interaction within the system;
- highlights temporary overvoltages and other factors that have to be taken into account for insulation coordination, primarily related to protective control using surge protective devices.

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Relevant for

rural electrification


Additional information

Publication typeTechnical Report
Publication date2002-01-22
Available language(s)English
TC/SCTC 109 - Insulation co-ordination for low-voltage equipmentrss
ICS29.080.30 - Insulation systems
Stability date  2024
File size242 KB

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