《电力系统自动化》课程教学资源（理论课程资料）变电站自动化_相关标准_61850-7-2_R3-00_FDIS_To-IEC-CO_2002-08-23

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Draft61850-7-2©1EC:2002 -2-57WG10-12(61850-7-2)R3-00/DraftFDIS CONTENTS Page FOREWORD.................... .10 INTRODUCTION .......... .12 1 Scope............. ...13 2 Normative references................. .14 3 Definitions.. .15 4 Abbreviated terms....... .17 5 ACSI overview and basic concepts............ .19 5.1 General. .19 5.2 Overview of basic information models. 20 5.3 Overview of the other service models .21 5.4 Overview of ACSI services............ 23 5.5 Type definitions....... 24 5.5.1 Data attribute types................ .24 5.5.2 BasicTypes… 25 5.5.3 Common AcSI types.. .26 6 SERVER class model....... 31 6.1 SERVER class definition.. .31 6.1.1 SERVER class syntax.. 31 6.1.2 SERVER class attributes...31 6.2 Server class services..................... 32 6.2.1 Overview of directory and GetDefinition services..........................32 6.2.2 GetServerDirectory 32 7 Application association model.................. .33 7.1 Introduction.... .33 7.2 Concept of application associations.... 33 7.3 Access control.… 34 7.4 TWO-PARTY-APPLICATION-ASSOCIATION(TPAA)class model...... .35 7.4.1 TWO-PARTY-APPLICATION-ASSOCIATION(TPAA)class definition........35 7.4.2 Two-Party application association services...................36 7.5 MULTICAST-APPLICATION-ASSOCIATION (MCAA)class...................................39 7.5.1 MULTICAST-APPLICATION-ASSOCIATION(MCAA)class definition........39 8 LOGICAL-DEVICE class model.........................................................41 8.1 LOGICAL-DEVICE class definition................... .41 8.1.1 LOGICAL-DEVICE class syntax ....... .41 8.1.2 LOGICAL-DEVICE class attributes.... .41 8.2 LOGICAL-DEVICE class services........ .42 8.2.1 GetLogicalDeviceDirectory............ 42 g LOGICAL-NODE class model.. .43 9.1 LOGICAL-NODE class definition.......... .43 9.1.1 LOGICAL-NODE class syntax.... .43 9.1.2 LOGICAL-NODE class attributes.....43 9.2 LOGICAL-NODE class services..45 9.2.1 Overview.… .45 9.2.2 GetLogicalNodeDirectory............ .45 9.2.3 GetAllDataValues........ .46 2002-08-23:(16:30)

Draft 61850-7-2 © IEC:2002 – 2 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) CONTENTS Page FOREWORD ......................................................................................................................10 INTRODUCTION ................................................................................................................12 1 Scope ..........................................................................................................................13 2 Normative references ...................................................................................................14 3 Definitions....................................................................................................................15 4 Abbreviated terms ........................................................................................................17 5 ACSI overview and basic concepts ...............................................................................19 5.1 General...............................................................................................................19 5.2 Overview of basic information models ..................................................................20 5.3 Overview of the other service models ..................................................................21 5.4 Overview of ACSI services ..................................................................................23 5.5 Type definitions...................................................................................................24 5.5.1 Data attribute types..................................................................................24 5.5.2 BasicTypes..............................................................................................25 5.5.3 Common ACSI types................................................................................26 6 SERVER class model ...................................................................................................31 6.1 SERVER class definition......................................................................................31 6.1.1 SERVER class syntax ..............................................................................31 6.1.2 SERVER class attributes..........................................................................31 6.2 Server class services ..........................................................................................32 6.2.1 Overview of directory and GetDefinition services......................................32 6.2.2 GetServerDirectory ..................................................................................32 7 Application association model.......................................................................................33 7.1 Introduction .........................................................................................................33 7.2 Concept of application associations .....................................................................33 7.3 Access control.....................................................................................................34 7.4 TWO-PARTY-APPLICATION-ASSOCIATION (TPAA) class model ........................35 7.4.1 TWO-PARTY-APPLICATION-ASSOCIATION (TPAA) class definition........35 7.4.2 Two-Party application association services ..............................................36 7.5 MULTICAST-APPLICATION-ASSOCIATION (MCAA) class...................................39 7.5.1 MULTICAST-APPLICATION-ASSOCIATION (MCAA) class definition ........39 8 LOGICAL-DEVICE class model.....................................................................................41 8.1 LOGICAL-DEVICE class definition .......................................................................41 8.1.1 LOGICAL-DEVICE class syntax ...............................................................41 8.1.2 LOGICAL-DEVICE class attributes ...........................................................41 8.2 LOGICAL-DEVICE class services ........................................................................42 8.2.1 GetLogicalDeviceDirectory.......................................................................42 9 LOGICAL-NODE class model .......................................................................................43 9.1 LOGICAL-NODE class definition..........................................................................43 9.1.1 LOGICAL-NODE class syntax ..................................................................43 9.1.2 LOGICAL-NODE class attributes..............................................................43 9.2 LOGICAL-NODE class services ...........................................................................45 9.2.1 Overview .................................................................................................45 9.2.2 GetLogicalNodeDirectory .........................................................................45 9.2.3 GetAllDataValues ....................................................................................46

Draft 61850-7-2 © IEC:2002 – 3 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) 10 DATA class model ........................................................................................................48 10.1 General...............................................................................................................48 10.2 DATA class definition ..........................................................................................48 10.2.1 DATA class syntax...................................................................................48 10.2.2 DATA class attributes ..............................................................................50 10.3 Relation of DATA, common DATA, and compatible DATA classes ..........................57 10.4 DATA class services............................................................................................58 10.4.1 General definitions and overview..............................................................58 10.4.2 GetDataValues ........................................................................................58 10.4.3 SetDataValues.........................................................................................59 10.4.4 GetDataDirectory .....................................................................................60 10.4.5 GetDataDefinition ....................................................................................61 11 DATA-SET class model ................................................................................................63 11.1 General...............................................................................................................63 11.2 DATA-SET class definition...................................................................................64 11.2.1 DATA-SET class syntax ...........................................................................64 11.2.2 DATA-SET class attributes.......................................................................64 11.3 DATA-SET class services....................................................................................65 11.3.1 Overview .................................................................................................65 11.3.2 GetDataSetValues ...................................................................................65 11.3.3 SetDataSetValues....................................................................................66 11.3.4 CreateDataSet.........................................................................................67 11.3.5 DeleteDataSet .........................................................................................68 11.3.6 GetDataSetDirectory................................................................................69 12 Substitution model........................................................................................................70 13 SETTING-GROUP-CONTROL-BLOCK class model.......................................................72 13.1 General...............................................................................................................72 13.2 SGCB class definition..........................................................................................74 13.2.1 SGCB class syntax ..................................................................................74 13.2.2 SGCB class attributes..............................................................................75 13.3 SGCB class services ...........................................................................................76 13.3.1 Overview .................................................................................................76 13.3.2 SelectActiveSG........................................................................................76 13.3.3 SelectEditSG ...........................................................................................77 13.3.4 SetSGValues ...........................................................................................78 13.3.5 ConfirmEditSGValues ..............................................................................79 13.3.6 GetSGValues...........................................................................................79 13.3.7 GetSGCBValues ......................................................................................80 14 REPORT-CONTROL-BLOCK and LOG-CONTROL-BLOCK class models ......................82 14.1 Overview.............................................................................................................82 14.2 REPORT-CONTROL-BLOCK class model............................................................83 14.2.1 Basic concepts ........................................................................................83 14.2.2 BUFFERED-REPORT-CONTROL-BLOCK (BRCB) class definition............85 14.2.3 BRCB class services................................................................................90 14.2.4 UNBUFFERED-REPORT-CONTROL-BLOCK (URCB) class definition.....102 14.2.5 URCB class services .............................................................................103 14.3 LOG-CONTROL-BLOCK class model.................................................................105 14.3.1 General .................................................................................................105

Draft61850-7-2©1EC:2002 -4-57WG10-12(61850-7-2)R3-00/DraftFD1S 14.3.2 LCB class definition......... 106 14.3.3 LOG class definition............... .111 14.3.4 Procedures to generate the log entries.... .113 14.3.5 LOG services...... .113 15 Generic substation event class model (GSE)........................................118 15.1 Overview.... .118 15.2 GOOSE-CONTROL-BLOCK (GoCB)class...................................119 15.2.1 GoCB definition............ .119 15.2.2 GOOSE service Definitions.......... .121 15.2.3 Generic object oriented substation event (GOOSE)message.................126 15.3 Generic substation state event (GSSE)control block (GsCB)........................127 15.3.1 GsCB class definition.................. ..127 15.3.2 Generic substation state event(GSSE)control block class attributes......128 15.3.3 GSSE service definitions.................. 130 15.3.4 Generic substation state event(GSSE)message. 134 16 Transmission of sampled value class model.............................136 16.1 Overview.. ..136 16.2 Transmission of sampled values using multicast .137 16.2.1 MSVCB class definition..137 16.2.2 Multicast sampled value class services.............139 16.3 Transmission of sampled values using unicast.............142 16.3.1 USVCB class definition.................. 0444444400444 ..142 16.3.2 Unicast sampled value services.... 144 16.4 Sampled value format...... ..148 16.4.1 MsvID or UsvID..... .148 16.4.2 OptFlds.… .148 16.4.3 DatSet..… .148 16.4.4 Sample [1..n].......... 148 16.4.5 SmpCnt................. 149 16.4.6 RefrTime........... 149 16.4.7 Confrev ............. .149 16.4.8 SmpSynch.... 149 16.4.9 SmpRate............ .149 17 CONTROL class model................... 150 17.1 Introduction............. .150 17.2 Control with normal security .... 151 17.2.1 Direct control with normal security................. 151 17.2.2 SBO control with normal security..............152 17.3 Control with enhanced security..................... 154 17.3.1 Introduction...... 154 17.3.2 Direct control with enhanced security........ .154 17.3.3 SBO control with enhanced security 156 17.4 Time activated operate.............. ..158 17.5 CONTROL class service definitions............. .159 17.5.10 verview.… .159 17.5.2 Service parameter definition........ 160 17.5.3 Service specification.............. .162 18 Time and time synchronisation model.......... 166 2002-08-23:(16:30)

Draft 61850-7-2 © IEC:2002 – 4 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) 14.3.2 LCB class definition ...............................................................................106 14.3.3 LOG class definition...............................................................................111 14.3.4 Procedures to generate the log entries...................................................113 14.3.5 LOG services.........................................................................................113 15 Generic substation event class model (GSE) ..............................................................118 15.1 Overview...........................................................................................................118 15.2 GOOSE-CONTROL-BLOCK (GoCB) class .........................................................119 15.2.1 GoCB definition .....................................................................................119 15.2.2 GOOSE service Definitions ....................................................................121 15.2.3 Generic object oriented substation event (GOOSE) message .................126 15.3 Generic substation state event (GSSE) control block (GsCB) .............................127 15.3.1 GsCB class definition.............................................................................127 15.3.2 Generic substation state event (GSSE) control block class attributes......128 15.3.3 GSSE service definitions........................................................................130 15.3.4 Generic substation state event (GSSE) message....................................134 16 Transmission of sampled value class model................................................................136 16.1 Overview...........................................................................................................136 16.2 Transmission of sampled values using multicast ................................................137 16.2.1 MSVCB class definition..........................................................................137 16.2.2 Multicast sampled value class services ..................................................139 16.3 Transmission of sampled values using unicast...................................................142 16.3.1 USVCB class definition ..........................................................................142 16.3.2 Unicast sampled value services .............................................................144 16.4 Sampled value format........................................................................................148 16.4.1 MsvID or UsvID......................................................................................148 16.4.2 OptFlds .................................................................................................148 16.4.3 DatSet ...................................................................................................148 16.4.4 Sample [1..n] .........................................................................................148 16.4.5 SmpCnt .................................................................................................149 16.4.6 RefrTime ...............................................................................................149 16.4.7 ConfRev ................................................................................................149 16.4.8 SmpSynch .............................................................................................149 16.4.9 SmpRate ...............................................................................................149 17 CONTROL class model...............................................................................................150 17.1 Introduction .......................................................................................................150 17.2 Control with normal security ..............................................................................151 17.2.1 Direct control with normal security..........................................................151 17.2.2 SBO control with normal security............................................................152 17.3 Control with enhanced security ..........................................................................154 17.3.1 Introduction ...........................................................................................154 17.3.2 Direct control with enhanced security .....................................................154 17.3.3 SBO control with enhanced security .......................................................156 17.4 Time activated operate ......................................................................................158 17.5 CONTROL class service definitions ...................................................................159 17.5.1 Overview ...............................................................................................159 17.5.2 Service parameter definition...................................................................160 17.5.3 Service specification ..............................................................................162 18 Time and time synchronisation model .........................................................................166

Draft 61850-7-2 © IEC:2002 – 5 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) 18.1 General.............................................................................................................166 18.2 External information ..........................................................................................167 19 Naming conventions ...................................................................................................168 19.1 Class naming and class specialisations .............................................................168 19.2 Referencing an instance of a class ....................................................................169 19.3 Scope ...............................................................................................................171 20 File transfer................................................................................................................172 20.1 File transfer model ............................................................................................172 20.1.1 FileName...............................................................................................172 20.1.2 FileSize [0..1] ........................................................................................172 20.1.3 LastModified ..........................................................................................172 20.2 File services......................................................................................................172 20.2.1 GetFile ..................................................................................................172 20.2.2 SetFile...................................................................................................173 20.2.3 DeleteFile ..............................................................................................174 20.2.4 GetFileAttributeValues ...........................................................................174 Annex A (normative) ACSI conformance statement ..........................................................176 A.1 General.............................................................................................................176 A.2 ASCI basic conformance statement ...................................................................176 A.3 ACSI models conformance statement.................................................................177 A.4 ACSI service conformance statement.................................................................178

Draft61850-7-2©1EC:2002 -6-57WG10-12(61850-7-2)R3-00/DraftFDIS Figures Page Figure 1-Excerpt of conceptual model..............19 Figure 2-Basic conceptual class model of the ACSI..... 20 Figure 3-Conceptual service model of the ACSl..............22 Figure 4-Data attribute type concept........24 Figure 5-Overview about GetDirectory and GetDefinition services......................32 Figure 6-Access views of a server... .34 Figure 7-Normal operation......... .35 Figure 8-Aborting Association35 Figure 9-Principle of multicast application association..... 39 Figure 10-Class diagram of DATA and DataAttributeType..............................................48 Figure 11-Example of DATA..... 49 Figure 12-Relation of TrgOp and Reporting...................... .55 Figure 13-Relation of DATA classes..................... .57 Figure 14-Excerpt of data class services...................... .58 Figure 15-Dynamic creation of data set instances................... 63 Figure 16-Principles of substitiution............71 Figure 17-Basic model of the settings model.... .73 Figure 18-Setting group state machine............. .75 Figure 18-Basic building blocks for reporting and logging.......................................83 Figure 19-BRCB state machine................ 86 Figure 20-Buffer time. 88 Figure 21-Report example on the use of sequence number..................................92 Figure 22-Data set members and reporting...................9.4 Figure 23-Report example........................... .95 Figure 24 -Log model overview105 Figure 25-GoCB model............................................. 118 Figure 26-Specifics for GscB model.128 Figure 27-Model for transmission of sampled values........ .136 Figure 28 -Principle of the control model.........................................151 Figure 29-State machine of direct control with normal security.................................151 Figure 30-Direct control with normal security......152 Figure 31-State machine of SBO control with normal security.................................153 Figure 32-State machine of direct control with enhanced security.............. .156 Figure 33-State machine SBO control with enhanced security.......................................156 Figure 34-Select before operate with enhanced security-positive case.........................157 Figure 35-Select before operate with enhanced security-neg.case(no status change)… 157 Figure 36-Time activated operate....... .159 Figure 37-Time model and time synchronisation (principle).........................................166 Figure 38-Specialisations............... 168 Figure 39-Object names and object reference.......................... 171 2002-08-23:(16:30)

Draft 61850-7-2 © IEC:2002 – 6 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) Figures Page Figure 1 – Excerpt of conceptual model ..............................................................................19 Figure 2 – Basic conceptual class model of the ACSI ..........................................................20 Figure 3 – Conceptual service model of the ACSI................................................................22 Figure 4 – Data attribute type concept ................................................................................24 Figure 5 – Overview about GetDirectory and GetDefinition services ....................................32 Figure 6 – Access views of a server....................................................................................34 Figure 7 – Normal operation ...............................................................................................35 Figure 8 – Aborting Association ..........................................................................................35 Figure 9 – Principle of multicast application association ......................................................39 Figure 10 – Class diagram of DATA and DataAttributeType.................................................48 Figure 11 – Example of DATA.............................................................................................49 Figure 12 – Relation of TrgOp and Reporting ......................................................................55 Figure 13 – Relation of DATA classes..................................................................................57 Figure 14 – Excerpt of data class services ..........................................................................58 Figure 15 – Dynamic creation of data set instances.............................................................63 Figure 16 – Principles of substitiution..................................................................................71 Figure 17 – Basic model of the settings model ....................................................................73 Figure 18 – Setting group state machine .............................................................................75 Figure 18 – Basic building blocks for reporting and logging .................................................83 Figure 19 – BRCB state machine ........................................................................................86 Figure 20 – Buffer time .......................................................................................................88 Figure 21 – Report example on the use of sequence number...............................................92 Figure 22 – Data set members and reporting.......................................................................94 Figure 23 – Report example................................................................................................95 Figure 24 – Log model overview .......................................................................................105 Figure 25 – GoCB model ...................................................................................................118 Figure 26 – Specifics for GsCB model................................................................................128 Figure 27 – Model for transmission of sampled values.......................................................136 Figure 28 – Principle of the control model .........................................................................151 Figure 29 – State machine of direct control with normal security........................................151 Figure 30 – Direct control with normal security..................................................................152 Figure 31 – State machine of SBO control with normal security .........................................153 Figure 32 – State machine of direct control with enhanced security ...................................156 Figure 33 – State machine SBO control with enhanced security.........................................156 Figure 34 – Select before operate with enhanced security – positive case .........................157 Figure 35 – Select before operate with enhanced security – neg. case (no status change)............................................................................................................................157 Figure 36 – Time activated operate...................................................................................159 Figure 37 – Time model and time synchronisation (principle).............................................166 Figure 38 – Specialisations...............................................................................................168 Figure 39 – Object names and object reference ................................................................171

Draft61850-7-2©1EC:2002 -8-57WG10-12(61850-7-2)R3-00/DraftFDIS Tables Page Table 1-ACSI classes....................... .23 Table 2-BasicTypes............... .25 Table 3-ObjectName type.................. 26 Table 4-ObjectReference type........................ 26 Table 5-ServiceError type... 27 Table 6-PACKED-LIST type.............. .27 Table 7-TimeStamp type................ …28 Table 8-TimeQuality definition.....28 Table 9-TimeAccuracy........... 29 Table g-Triggerconditions type...........................................30 Table 10-SERVER class definition....31 Table 11-TWO-PARTY-APPLICATION-ASSOCIATION(TPAA)class definition .................36 Table 12-MULTICAST-APPLICATION-ASSOCIATION(MCAA)class definition..................40 Table 13-LOGICAL-DEVICE (LD)class definition................................................41 Table 14-LOGICAL-NODE (LN)class definition....43 Table 15-DATA class definition.............. .50 Table 16-DAType definition.................... .51 Table 17-Functional constraints.................... 53 Table 18-Trigger option...................... .55 Table 19-COMMON-DATA class definition.......... .56 Table 20-DATA-SET (DS)class definition......... .64 Table 21-SGCB class definition.................. .74 Table 22-BRCB class definition........ .85 Table 23-Report format specification....... ..91 Table 24-URCB class definition..102 Table 25-LCB class definition................. ..106 Table 26 -LOG class definition.......................... .111 Table 27-GOOSE control block class definition...................................119 Table 28-GOOSE message definition................ 126 Table 29-GSSE control block class definition........ .128 Table 30-GSSE message definition................. .134 Table 31-MSVCB class definition..137 Table 32-USVCB class definition...... 142 Table 33-Sampled value (SV)format definition............................................148 Table 34-Control services159 Table 35-control time-stamp definition..................... .160 Table 36-Test status definition.................160 Table 37-Check condition definition......... 160 Table 38-Additional cause diagnosis definition.. 161 Table 39-AddCause semantic.................. ..161 Table 40-TimeActivatedoperate response definition............................... 162 2002-08-23:(16:30)

Draft 61850-7-2 © IEC:2002 – 8 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) Tables Page Table 1 – ACSI classes.......................................................................................................23 Table 2 – BasicTypes .........................................................................................................25 Table 3 – ObjectName type.................................................................................................26 Table 4 – ObjectReference type..........................................................................................26 Table 5 – ServiceError type ................................................................................................27 Table 6 – PACKED-LIST type .............................................................................................27 Table 7 – TimeStamp type ..................................................................................................28 Table 8 – TimeQuality definition..........................................................................................28 Table 9 – TimeAccuracy .....................................................................................................29 Table 9 – TriggerConditions type ........................................................................................30 Table 10 – SERVER class definition ...................................................................................31 Table 11 – TWO-PARTY-APPLICATION-ASSOCIATION (TPAA) class definition .................36 Table 12 – MULTICAST-APPLICATION-ASSOCIATION (MCAA) class definition..................40 Table 13 – LOGICAL-DEVICE (LD) class definition .............................................................41 Table 14 – LOGICAL-NODE (LN) class definition ................................................................43 Table 15 – DATA class definition ........................................................................................50 Table 16 – DAType definition..............................................................................................51 Table 17 – Functional constraints .......................................................................................53 Table 18 – Trigger option....................................................................................................55 Table 19 – COMMON-DATA class definition........................................................................56 Table 20 – DATA-SET (DS) class definition.........................................................................64 Table 21 – SGCB class definition........................................................................................74 Table 22 – BRCB class definition........................................................................................85 Table 23 – Report format specification ................................................................................91 Table 24 – URCB class definition......................................................................................102 Table 25 – LCB class definition.........................................................................................106 Table 26 – LOG class definition ........................................................................................111 Table 27 – GOOSE control block class definition...............................................................119 Table 28 – GOOSE message definition .............................................................................126 Table 29 – GSSE control block class definition..................................................................128 Table 30 – GSSE message definition ................................................................................134 Table 31 – MSVCB class definition ...................................................................................137 Table 32 – USVCB class definition....................................................................................142 Table 33 – Sampled value (SV) format definition ...............................................................148 Table 34 – Control services ..............................................................................................159 Table 35 – control time-stamp definition............................................................................160 Table 36 – Test status definition .......................................................................................160 Table 37 – Check condition definition................................................................................160 Table 38 – Additional cause diagnosis definition ...............................................................161 Table 39 – AddCause semantic.........................................................................................161 Table 40 – TimeActivatedOperate response definition .......................................................162

Draft61850-7-2©IEC:2002 -10-57WG10-12(61850-7-2)R3-00/DraftFDIS INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMUNICATION NETWORKS AND SYSTEMS IN SUBSTATIONS Part 7-2:Basic communication structure for substations and feeder equipment-Abstract communication service interface(ACSI) FOREWORD 1)The IEC (International Electrotechnical Commission)is a world-wide organisation for standardisation comprising all national electrotechnical committees (IEC National Committees).The object of the IEC is to promote interna- tional co-operation on all questions concerning standardisation in the electrical and electronic fields.To this end and in addition to other activities,the IEC publishes International Standards.Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organisations liaising with the IEC also participate in this preparation.The IEC collaborates closely with the International Organisation for Standardisa- tion (ISO)in accordance with conditions determined by agreement between the two organisations. 2)The formal decisions or agreements of the IEC on technical matters express,as nearly as possible,an interna- tional consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees 3)The documents produced have the form of recommendations for international use and are published in the form of standards,technical reports or guides and they are accepted by the National Committees in that sense. 4)In order to promote international unification,IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards.Any diver- gence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5)The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6)Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights.The IEC shall not be held responsible for identifying any or all such patent rights Recipients of this document are invited to submit,with their comments,notification of any relevant patent rights of which they are aware and to provide supporting documen- tation. This FDIS of the International Standard IEC 61850-7-2 has been prepared by the working groups 10,11,and 12 of IEC technical committee 57. This document is part of the standard series IEC 61850,a set of specifications for communi- cation networks and systems in substations.At time of publication of this part,the following parts where intended to be part of IEC 61850: IEC 61850-1:Communication networks and systems in substations-Part 1:Introduction and overview 1EC61850-2.: Communication networks and systems in substations-Part 2:Glossary IEC 61850-3:Communication networks and systems in substations-Part 3:General re- quirements IEC 61850-4:Communication networks and systems in substations-Part 4:System and project management 2002-08-23:(16:30)

Draft 61850-7-2 © IEC:2002 – 10 – 57/WG10-12(61850-7-2)R3-00/DraftFDIS 2002-08-23 : (16:30) INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________ COMMUNICATION NETWORKS AND SYSTEMS IN SUBSTATIONS Part 7-2: Basic communication structure for substations and feeder equipment – Abstract communication service interface (ACSI) FOREWORD 1) The IEC (International Electrotechnical Commission) is a world-wide organisation for standardisation comprising all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardisation in the electrical and electronic fields. To this end and in addition to other activities, the IEC publishes International Standards. Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organisations liaising with the IEC also participate in this preparation. The IEC collaborates closely with the International Organisation for Standardisation (ISO) in accordance with conditions determined by agreement between the two organisations. 2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommendations for international use and are published in the form of standards, technical reports or guides and they are accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights. Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation. This FDIS of the International Standard IEC 61850-7-2 has been prepared by the working groups 10, 11, and 12 of IEC technical committee 57. This document is part of the standard series IEC 61850, a set of specifications for communication networks and systems in substations. At time of publication of this part, the following parts where intended to be part of IEC 61850: IEC 61850-1: Communication networks and systems in substations – Part 1: Introduction and overview IEC 61850-2: Communication networks and systems in substations – Part 2: Glossary IEC 61850-3: Communication networks and systems in substations – Part 3: General requirements IEC 61850-4: Communication networks and systems in substations – Part 4: System and project management

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《电力系统自动化》课程教学资源（理论课程资料）变电站自动化_相关标准_61850-7-2_R3-00_FDIS_To-IEC-CO_2002-08-23