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BS EN IEC 60255-1:2022 – TC:2023 Edition

BS EN IEC 60255-1:2022 – TC:2023 Edition

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Tracked Changes. Measuring relays and protection equipment – Common requirements

Published By Publication Date Number of Pages
BSI 2023 134
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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
1 30469561
79 A-30355370
80 undefined
85 Annex A (normative)Normative references to international publicationswith their corresponding European publications
88 Blank Page
89 English
CONTENTS
92 FOREWORD
94 INTRODUCTION
95 1 Scope
2 Normative references
96 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
100 Figures
Figure 1 – Ports for measuring relays and protection equipment
102 3.2 Abbreviated terms
4 Environmental conditions
4.1 General
103 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
104 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
105 5.4 Binary input and output port
5.4.1 Binary input port
5.4.2 Binary output port
Table 2 – Contact performance requirements
106 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
107 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
108 6.5.2 Intrinsic accuracy
109 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
110 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
111 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
112 6.12.3 Climatic environmental tests
Table 4 – Dry heat test – Operational
113 Table 5 – Cold test – Operational
Table 6 – Dry heat test, storage temperature
114 Table 7 – Cold test, storage temperature
Table 8 – Change of temperature test
115 Table 9 – Damp heat steady state test
Table 10 – Cyclic temperature with humidity test
116 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
117 7.2 Test overview
Table 11 – Test reference conditions
118 Table 12 – Test overview
119 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
120 7.3.5 Burden for binary input
7.4 Type test report content
121 8 Marking, labelling and packaging
9 Product documentation and technical data
122 Annex A (normative)Type testing guidelines
A.1 General
A.2 Protection setting
A.2.1 Introductory remark
A.2.2 Test philosophy
123 A.2.3 Overcurrent and undercurrent
Figure A.1 – Settings selection criteria
124 A.2.4 Overvoltage and undervoltage
125 A.2.5 Over frequency and under frequency
A.2.6 Functions set around current, voltage and frequency
126 A.2.7 Other functions
127 Annex B (informative)Environmental operating locations
B.1 Operating environment
B.2 Operating conditions
Table B.1 – Operating locations
128 Table B.2 – Climatic conditions
Table B.3 – Mechanical conditions
129 Table B.4 – EMC conditions
Table B.5 – Chemically active substance conditions
Table B.6 – Mechanically active substance conditions
130 Table B.7 – Biological conditions
131 Bibliography

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BS EN IEC 60255-1:2022 - TC
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