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BS EN 60255-25:2000

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electrical relays Electromagnetic emission tests for measuring relays and protection equipment
Available format(s)

Hardcopy , PDF

Superseded date

07-31-2014

Language(s)

English

Published date

11-15-2000

1 Scope and object
2 Normative references
3 Definitions
4 Emission limits
      4.1 Conducted emission limits
      4.2 Radiated emission limits
5 General measurement requirements for emission tests
      5.1 Ambient noise in measurement test sites
      5.2 Requirements for measurement of conducted
             emissions
      5.3 Requirements for measurement of radiated
             emissions
6 Test procedure for emission tests
      6.1 General configuration of the EUT
      6.2 Measurement of conducted emissions
      6.3 Measurement of radiated emissions
      6.4 Measurement of radiated emissions at
             alternative distances
7 Criteria for acceptance
8 Test report
Annex A (informative) The use of measuring relays and
                      protection equipment in other
                      locations
Annex B (informative) Explanatory notes on the origin of
                      this emission standard
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications
Figure 1 - Dimensions of test site
Figure 2 - Minimum size of metal ground plane
Table 1 - Conducted emission limits
Table 2 - Radiated emission limits

Gives general requirements for the measurement of radio-frequency emissions emanating from measuring relays and protection equipment for power system protection. Includes control, monitoring and proc process interface equipment used with such systems. Based on CISPR 22. Defines the limits of acceptable conducted and radiated emissions and specifies test procedures. The object of the tests is to confirm that the equipment being tested will not cause conducted or radiated emissions above defined levels which might affect the satisfactory operation of other equipment. Any equipment or part of equipment which has the primary function of radio transmission and/or reception is excluded from this standard. Requirement defined are applicable to measuring relays and protection equipment in a new condition, all are type test onl

IEC 60332-1-3:2004 Specifies a test procedure for assessment of falling flaming droplets/ particles when a single vertical electrical insulated conductor or cable, or optical fibre cable, is subjected to defined fire conditions. NOTE - Testing to IEC 60332-1-3 may be performed simultaneously with that to IEC 60332-1-2, if required. Recommended requirements for performance are given in Annex A. IEC 60332-1-3 specifies the use of a 1 kW pre-mixed flame and is for general use, except that the procedure specified may not be suitable for the testing of small single insulated conductors or cables of less than 0,5 mm2 total cross-section because the conductor melts before the test is completed, or for the testing of small optical fibre cables because the cable is broken before the test is completed. It has the status of a horizontal standard in accordance with IEC Guide 104.

Committee
PEL/95
DevelopmentNote
Also numbered as IEC 60255-25. Supersedes 96/213882 DC. (09/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 60332-1-3:2004 Identical
I.S. EN 60255-25:2001 Identical
EN 60255-25:2000 Identical
NBN EN 60255-25 : 2001 Identical
NF EN 60255-25 : 2001 Identical
DIN EN 60255-25 : 2001 Identical
SN EN 60255-25 : 2000 Identical
UNE-EN 60255-25:2001 Identical

EN 60255-6 : 94 AC 95 ELECTRICAL RELAYS - MEASURING RELAYS AND PROTECTION EQUIPMENT
CISPR 22:2008 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
EN 55022:2010/AC:2011 INFORMATION TECHNOLOGY EQUIPMENT - RADIO DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 22:2008)
IEC 60050-446:1983 International Electrotechnical Vocabulary (IEV) - Part 446: Electrical relays
IEC 60255-6:1988 Electrical relays - Part 6: Measuring relays and protection equipment
IEC 60050-448:1995 International Electrotechnical Vocabulary (IEV) - Part 448: Power system protection
CISPR 16-1:1999+AMD1:2002 CSV Specification for radio disturbance and immunity measuring apparatus and methods - Part 1: Radio disturbance and immunity measuring apparatus

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