1、INTERNATIONALSTANDARDIEC61850-7-4First edition2003-05Communication networks and systemsin substations Part 7-4:Basic communication structure for substationand feeder equipment Compatible logical nodeclasses and data classesReference numberIEC 61850-7-4:2003(E)Copyright International Electrotechnical
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9、ithout license from IHS-,-INTERNATIONALSTANDARDIEC61850-7-4First edition2003-05Communication networks and systemsin substations Part 7-4:Basic communication structure for substationand feeder equipment Compatible logical nodeclasses and data classes IEC 2003 Copyright-all rights reservedNo part of t
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12、o reproduction or networking permitted without license from IHS-,-2 61850-7-4 IEC:2003(E)CONTENTSFOREWORD.6INTRODUCTION.81Scope.92Normative references.103Terms and definitions.114Abbreviated terms.115Logical node classes.155.1Logical Node groups.155.2Interpretation of Logical Node tables.165.3System
13、 Logical NodesLN Group:L.175.3.1General.175.3.2LN:Physical device informationName:LPHD.185.3.3Common Logical Node.185.3.4LN:Logical node zeroName:LLN0.195.4Logical Nodes for protection functionsLN Group:P.195.4.1Modelling remarks.195.4.2LN:DifferentialName:PDIF.215.4.3LN:Direction comparisonName:PDI
14、R.225.4.4LN:DistanceName:PDIS.225.4.5LN:Directional overpowerName:PDOP.235.4.6LN:Directional underpowerName:PDUP.235.4.7LN:Rate of change of frequencyName:PFRC.245.4.8LN:Harmonic restraintName:PHAR.245.4.9LN:Ground detectorName:PHIZ.255.4.10 LN:Instantaneous overcurrentName:PIOC.255.4.11 LN:Motor re
15、start inhibitionName:PMRI.255.4.12 LN:Motor starting time supervisionName:PMSS.265.4.13 LN:Over power factorName:POPF.265.4.14 LN:Phase angle measuringName:PPAM.275.4.15 LN:Protection schemeName:PSCH.275.4.16 LN:Sensitive directional earthfaultName:PSDE.285.4.17 LN:Transient earth faultName:PTEF.295
16、.4.18 LN:Time overcurrentName:PTOC.295.4.19 LN:OverfrequencyName:PTOF.305.4.20 LN:OvervoltageName:PTOV.305.4.21 LN:Protection trip conditioningName:PTRC.305.4.22 LN:Thermal overloadName:PTTR.315.4.23 LN:UndercurrentName:PTUC.325.4.24 LN:UndervoltageName:PTUV.325.4.25 LN:Underpower factorName:PUPF.335.4.26 LN:UnderfrequencyName:PTUF.335.4.27 LN:Voltage controlled time overcurrentName:PVOC.345.4.28 LN:Volts per HzName:PVPH.345.4.29 LN:Zero speed or underspeedName:PZSU.35Copyright International Ele
