IEC TR 62711:2011
(Main)Mnemonics and designations of symbols for measuring relays, instruments and related device
Mnemonics and designations of symbols for measuring relays, instruments and related device
IEC/TR 62711:2011(E) provides recommendations for consistent use of mnemonics and qualifying symbols to be applied to symbols representing devices used in systems for monitoring, protection, switching, and controlling of apparatus in electrical substations, generating stations, power utilization and conversion facilities, and equipment designed for automatic protection of power systems. The recommendations are intended for designers, manufacturers and engineers of such systems.
General Information
Standards Content (Sample)
IEC/TR 62711
®
Edition 1.0 2011-10
TECHNICAL
REPORT
Mnemonics and designations of symbols for measuring relays, instruments and
related device
IEC/TR 62711:2011(E)
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IEC/TR 62711
®
Edition 1.0 2011-10
TECHNICAL
REPORT
Mnemonics and designations of symbols for measuring relays, instruments and
related device
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
T
ICS 01.080.40; 29.200 ISBN 978-2-88912-691-0
® Registered trademark of the International Electrotechnical Commission
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– 2 – TR 62711 IEC:2011(E)
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 6
3 Terms and definitions . 6
4 Measuring relay symbols . 6
5 Measuring instruments . 6
6 Mnemonics and designations for measuring relays and instruments . 7
6.1 Overview . 7
6.2 Measuring relays . 7
6.3 Power system measuring instruments. 17
Bibliography . 24
Figure 1 – The general symbol for a measuring relay in IEC 60617 . 5
Figure 2 – The general symbols for a measuring instrument in IEC 60617 . 5
Table 1 – Measuring relays – Prefix .
...
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