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BS EN IEC 60255-1:2022:2023 Edition

BS EN IEC 60255-1:2022:2023 Edition

$198.66

Measuring relays and protection equipment – Common requirements

Published By Publication Date Number of Pages
BSI 2023 56
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IEC 60255-1:2022 specifies common rules and requirements applicable to measuring relays and protection equipment, including any combination of equipment to form a distributed protection scheme for power system protection such as control, monitoring and process interface equipment, to obtain uniformity of requirements and tests. This document covers the main technologies in use today; other emerging technologies present specific EMC and safety issues but the philosophy in this document will be applied. This second edition cancels and replaces the first edition published in 2009. This edition includes the following significant technical changes with respect to the previous edition: a. scope of document clarified; b. merging units and communications as an integral part of the protection added; c. binary output clarification expanded; d. environmental operating conditions added (Annex B); e. test reference conditions added; f. multiple changes to improve understanding across most clauses; g. derating by manufacturer added; h. safety and EMC tests removed from document and referenced only; i. relay setting and type test guidelines modified (Annex A) j. battery monitor port and low power instrument transformers added.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Annex A (normative)Normative references to international publicationswith their corresponding European publications
10 Blank Page
11 English
CONTENTS
14 FOREWORD
16 INTRODUCTION
17 1 Scope
2 Normative references
18 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
22 Figures
Figure 1 – Ports for measuring relays and protection equipment
24 3.2 Abbreviated terms
4 Environmental conditions
4.1 General
25 4.2 Normal environmental conditions
4.3 Special environmental conditions
4.4 Environmental storage conditions
4.5 Transport conditions
5 Ratings
5.1 General
Tables
Table 1 – Normal environmental conditions
26 5.2 Rated voltage
5.2.1 Input energizing voltage
5.2.2 Auxiliary power supply port energizing voltage
5.2.3 Rated insulation voltage
5.3 Rated current – Input energizing current
5.3.1 Primary relay
5.3.2 Secondary relay
27 5.4 Binary input and output port
5.4.1 Binary input port
5.4.2 Binary output port
Table 2 – Contact performance requirements
28 5.5 Transducer analogue input and output port
5.5.1 Transducer analogue input port
5.5.2 Transducer analogue output port
5.6 Frequency
5.6.1 Rated frequency
5.6.2 Frequency operating range
5.7 Rated burden
Figure 2 – Binary output parameters
29 5.8 Rated ambient temperature range
6 Design and construction
6.1 Marking
6.2 Dimensions
6.3 Enclosure protection
6.4 Product safety requirements
6.5 Functional performance requirements
6.5.1 General
Table 3 – Hot and cold temperatures
30 6.5.2 Intrinsic accuracy
31 6.5.3 Operating accuracy
6.5.4 Performance under system conditions
6.5.5 Performance of multifunctional protection equipment
6.5.6 Internal user programmable logic
6.6 Communication protocols
6.7 Cybersecurity
32 6.8 Binary input and output port
6.8.1 Binary input port
6.8.2 Binary output port
6.9 Transducer analogue input and output port
6.9.1 Transducer analogue input port
6.9.2 Transducer analogue output port
6.10 Input circuit for measurement quantities
6.10.1 Analogue voltage port
6.10.2 Analogue current port
33 6.10.3 Communication port
6.11 Binary output performance (mechanical and static)
6.12 Climatic performance
6.12.1 General
6.12.2 Verification procedure
34 6.12.3 Climatic environmental tests
Table 4 – Dry heat test – Operational
35 Table 5 – Cold test – Operational
Table 6 – Dry heat test, storage temperature
36 Table 7 – Cold test, storage temperature
Table 8 – Change of temperature test
37 Table 9 – Damp heat steady state test
Table 10 – Cyclic temperature with humidity test
38 6.13 Mechanical requirements
6.13.1 Vibration response and endurance (sinusoidal)
6.13.2 Shock response, shock withstand and bump
6.13.3 Seismic risk
6.14 Pollution
6.15 Electromagnetic compatibility (EMC)
7 Tests
7.1 Test reference conditions
39 7.2 Test overview
Table 11 – Test reference conditions
40 Table 12 – Test overview
41 7.3 Burden measurements
7.3.1 Burden for analogue voltage inputs
7.3.2 Burden for analogue current inputs
7.3.3 Burden for AC power supply
7.3.4 Burden for DC power supply
42 7.3.5 Burden for binary input
7.4 Type test report content
43 8 Marking, labelling and packaging
9 Product documentation and technical data
44 Annex A (normative)Type testing guidelines
A.1 General
A.2 Protection setting
A.2.1 Introductory remark
A.2.2 Test philosophy
45 A.2.3 Overcurrent and undercurrent
Figure A.1 – Settings selection criteria
46 A.2.4 Overvoltage and undervoltage
47 A.2.5 Over frequency and under frequency
A.2.6 Functions set around current, voltage and frequency
48 A.2.7 Other functions
49 Annex B (informative)Environmental operating locations
B.1 Operating environment
B.2 Operating conditions
Table B.1 – Operating locations
50 Table B.2 – Climatic conditions
Table B.3 – Mechanical conditions
51 Table B.4 – EMC conditions
Table B.5 – Chemically active substance conditions
Table B.6 – Mechanically active substance conditions
52 Table B.7 – Biological conditions
53 Bibliography

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