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IEC - 60255-26

Measuring relays and protection equipment – Part 26: Electromagnetic compatibility requirements

active, Most Current
Organization: IEC
Publication Date: 1 January 2023
Status: active
Page Count: 120
ICS Code (Relays): 29.120.70
scope:

General

This part of IEC 60255 specifies the requirements for electromagnetic compatibility for measuring relays and protection equipment. It is applicable to measuring relays and protection equipment and combinations of devices to form schemes for power system protection including the control, monitoring, communication and process interface equipment used with those systems.

Tests specified in this document are not required for equipment not incorporating electronic circuits, for example electromechanical relays.

The requirements specified in this document are applicable to measuring relays and protection equipment in a condition representative of how new equipment is provided by the manufacturer. All tests specified are type tests only.

Emission

This document specifies limits and test methods, for measuring relays and protection equipment in relation to electromagnetic emissions which might cause interference in other equipment.

These emission limits represent electromagnetic compatibility requirements and have been selected to ensure that the disturbances generated by measuring relays and protection equipment, operated normally in substations and power plants, do not exceed a specified level which could prevent other equipment from operating as intended.

Test requirements are specified for the enclosure, auxiliary power supply ports, input/output ports, signal/control ports and wired network ports.

Immunity

This document specifies the immunity test requirements for measuring relays and protection equipment in relation to continuous and transient, conducted and radiated disturbances, including electrostatic discharges.

These test requirements represent the electromagnetic compatibility immunity requirements and have been selected so as to ensure an adequate level of immunity for measuring relays and protection equipment, operated normally in substations and power plants.

NOTE 1 Product safety considerations are not covered in this document.

NOTE 2 In special cases, situations will arise where the levels of disturbance could exceed the levels specified in this document, for example where a hand-held transmitter or a mobile telephone is used close to measuring relays and protection equipment. In these instances, special precautions and procedures could be needed.

Document History

60255-26
January 1, 2023
Measuring relays and protection equipment – Part 26: Electromagnetic compatibility requirements
General This part of IEC 60255 specifies the requirements for electromagnetic compatibility for measuring relays and protection equipment. It is applicable to measuring relays and protection...
IEC 60255-26
May 1, 2013
Measuring relays and protection equipment – Part 26: Electromagnetic compatibility requirements
General This part of the IEC 60255 series is applicable to measuring relays and protection equipment, taking into account combinations of devices to form schemes for power system protection...
IEC 60255-26
July 1, 2008
Measuring relays and protection equipment – Part 26: Electromagnetic compatibility requirements
Scope and object This part of IEC 60255 is applicable to measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used...
IEC 60255-26
August 1, 2004
Electrical relays Part 26: Electromagnetic compatibility requirements for measuring relays and protection equipment
Scope and object This part of IEC 60255 is applicable to measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used...

References

This document references:
60255-1 - Measuring relays and protection equipment – Part 1: Common requirements
Published by IEC on December 1, 2022
This part of IEC 60255 specifies common rules and requirements applicable to measuring relays and protection equipment, including any combination of equipment to form a distributed protection scheme...
This document references:
IEC 61000-4-11 - ELECTROMAGNETIC COMPATIBILITY (EMC) – Part 4-11: Testing and measurement techniques – Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase
Published by IEC on May 1, 2020
A description is not available for this item.
This document references:
IEC 61000-4-16 - Electromagnetic compatibility (EMC) – Part 4-16: Testing and measurement techniques – Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz
Published by IEC on December 1, 2015
This part of IEC 61000 relates to the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz. The object of...
This document references:
IEC 61000-4-17 - Electromagnetic compatibility (EMC) – Part 4-17: Testing and measurement techniques – Ripple on d.c. input power port immunity test
Published by IEC on January 1, 2009
This part of IEC 61000 defines test methods for immunity to ripple at the d.c. input power port of electrical or electronic equipment. This standard is applicable to low-voltage d.c. power ports of...
This document references:
IEC 61000-4-18 - ELECTROMAGNETIC COMPATIBILITY (EMC) – Part 4-18: Testing and measurement techniques – Damped oscillatory wave immunity test
Published by IEC on August 1, 2019
A description is not available for this item.
This document is referenced by:
GUIDE 111-1 - Electric equipment for high-voltage substations – Common recommendations for product and system standards – Part 1: AC (alternating current)
Published by IEC on January 1, 2023
This part of IEC Guide 111 is a horizontal publication which gives guidance for the harmonization of product and system standards for HV substations (higher than 1 kV). It addresses AC equipment...
This document is referenced by:
CSA C22.2 NO 60947-5-1 - Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Published by CSA on January 1, 2014
Scope and object This part of IEC 60947 applies to CONTROL CIRCUIT DEVICES and SWITCHING ELEMENTS intended for controlling, signalling, interlocking, etc., of switchgear and controlgear. It applies...
This document is referenced by:
EN IEC 60255-1 - Measuring relays and protection equipment - Part 1: Common requirements
Published by CENELEC on January 1, 2023
This part of IEC 60255 specifies common rules and requirements applicable to measuring relays and protection equipment, including any combination of equipment to form a distributed protection scheme...
This document is referenced by:
60255-27 - Measuring relays and protection equipment – Part 27: Product safety requirements
Published by IEC on February 1, 2023
This part of IEC 60255 specifies the product safety requirements for measuring relays and protection equipment having a rated AC voltage up to 1 000 V, or a rated DC voltage up to 1 500 V. Above...
This document is referenced by:
60255-27 CMV - Measuring relays and protection equipment – Part 27: Product safety requirements (Commented Version)
Published by IEC on February 1, 2023
Commented versions are a valuable improvement upon the conventional IEC Redline Version (RLV). These versions are designed to facilitate a clearer understanding of the revisions made between the...
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