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PD IEC/TR 62711:2011

Current
Current

The latest, up-to-date edition.

Mnemonics and designations of symbols for measuring relays, instruments and related device
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-12-2011

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Measuring relay symbols
5 Measuring instruments
6 Mnemonics and designations for measuring
  relays and instruments
Bibliography

Gives 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.

This Technical Report 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.

For symbols of measuring relay and measuring instrument, it is intended to serve two purposes, namely:

  • Give a review of standardized designations (as defined in this report);

  • Limit the range of possible variants (after final standardization and introduction in IEC 60617).

Symbols for measuring relays are symbols in which the functional behaviour of an element, mostly because of its complexity, is described by qualifying symbols e.g. IEC 60617-S00328 (2001-07), IEC 60617-S00337 (2001-07), particularly by referring to supporting documentation; the relevant rules and explanations are to be found in IEC 60617 in the application notes associated with the symbols, e.g. IEC 60617-S00327 (2001-07) (A00091 through A00094).

Symbols for indicating, recording or integrating instruments are symbols in which the functional behaviour of an element is fully described by standardized means. The relevant rules and explanations are to be found in IEC 60617 in the application notes associated with the symbols IEC 60617-S00910 (2001-07), IEC 60617-S00911 (2001-07) and IEC 60617-S00912 (A00144 through A00147).

Committee
GEL/3
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current

Standards Relationship
IEC TR 62711:2011 Identical

IEC 60909-3:2009 Short-circuit currents in three-phase AC systems - Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth
IEC 60909-3 : 3.0 SHORT-CIRCUIT CURRENTS IN THREE-PHASE AC SYSTEMS - PART 3: CURRENTS DURING TWO SEPARATE SIMULTANEOUS LINE-TO-EARTH SHORT CIRCUITS AND PARTIAL SHORT-CIRCUIT CURRENTS FLOWING THROUGH EARTH
IEC 60909-0:2016 Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
IEC 61082-1:2014 RLV Preparation of documents used in electrotechnology - Part 1: Rules
IEC 60027-1:1992 Letters symbols to be used in electrical technology - Part 1: General
ISO 81714-1:2010 Design of graphical symbols for use in the technical documentation of products Part 1: Basic rules
IEEE 315 : 1975 GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS)

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