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BSI PD IEC TR 61850-90-9:2020

BSI PD IEC TR 61850-90-9:2020

$215.11

Communication networks and systems for power utility automation – Use of IEC 61850 for Electrical Energy Storage Systems

Published By Publication Date Number of Pages
BSI 2020 128
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1.1 Scope of this document

This technical report, which is part of the IEC 61850 series, describes the IEC 61850 information model for electrical energy storage systems (EESS). Therefore, this document only focuses on storage functionality in the purpose of grid integration of such systems at the DER unit level. Higher level Interactions are already covered in IEC 61850-7-420.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
8 FOREWORD
9 Tables
Table 1 – Tracking information of (Tr)IEC 61850-90-9:2018A namespace building-up
10 INTRODUCTION
12 1 Scope
1.1 Scope of this document
1.2 Namespace
1.3 Data model Namespace Code Component distribution
Table 2 – Attributes of (Tr)IEC 61850-90-9:2018A namespace
13 2 Normative references
14 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
16 3.2 Abbreviated terms
3.3 Acronyms and abbreviated terms proposed specifically for the data model part of this document
Table 3 – Generic acronyms and abbreviated terms
17 3.4 Common abbreviated terms used for the data model part of this document
Table 4 – Normative abbreviations for data object names
18 Table 5 – Normative abbreviations for data object names
36 4 Overview of EESS
4.1 EESS system description
Figures
Figure 1 – Classification of electrical energy storage systems according to energy form. IEC-WP [IEC White Paper Electrical Energy Storage:2011])
37 4.2 Functional requirements of EESS
4.3 EESS participating in grid operations as a DER system
4.3.1 General
Figure 2 – Different uses of electrical energy storage in grids, depending on the frequency and duration of use
38 4.3.2 Constraints, assumptions, and design considerations
4.4 Hierarchical class model of DER resources
39 4.5 DER resource class and composition model for EESS
4.5.1 General
4.5.2 DER class model principles for a single storage unit
Figure 3 – Simple storage resource model of a battery storage unit (instance & class)
40 Figure 4 – Hierarchical class model of DER resources – (blue outlined area showing EESS)
41 4.5.3 Expressing the composition of storage elements
Figure 5 – Exposing the generic interface of a DER unit (Case of a storage unit as an example)
42 Figure 6 – DER composition model principles
43 4.5.4 Expressing equivalent capabilities
Figure 7 – LN mapping related to a storage system composed of two storage units
44 Figure 8 – Needed association to express DER generic capabilities
45 4.5.5 Complete DER model resulting from equivalent and composed principles
Figure 9 – Exposing the generic interfaces of a storage DER (battery storage as example)
46 Figure 10 – Principles of the hierarchical class model of DER resources with examples of specific DER types at the lowest level (blue outlined area showing EESS)
47 4.5.6 LN mapping example in case of a complex storage installation
Figure 11 – LN mapping of an EESS composed of 2 storage units with equivalent capabilities defined at all levels
48 Figure 12 – A simple electrical energy storage system
Figure 13 – A more complex electrical mixed system, including storage –example of possible LN mapping
49 4.6 State machine of the EESS
50 Figure 14 – DER common state diagram
51 4.7 Definitions of the capacity and the state of charge of an EESS
Figure 15 – Logic definitions associated to the DER common state diagram
52 5 Use cases
5.1 General
5.2 Use case overview
5.2.1 Diagram
Figure 16 – EESS state of charge: effective and usable capacities and states of charge reflected using the IEC 618650 model naming conventions
53 5.2.2 Actors
5.2.3 List of use cases
Figure 17 – Use case diagram
Table 6 – List of actors
54 5.2.4 Information flow (basic flow)
Figure 18 – The entire sequence of EESS use cases
Table 7 – List of use cases
55 Figure 19 – Sequence of UC1: retrieving current capabilities/status of EESS information to Storage Management System
Table 8 – Information exchange in UC1: Sequence of retrieving current capabilities/status of EESS information to Storage Management System
56 Table 9 – Information exchange Step1-2 in UC1 current capability /status information
57 Figure 20 – Sequence of UC2: set Charging power to EESS
Figure 21 – Sequence of UC3: Set discharging power to EESS
Table 10 – Information exchange in UC2: Set Charging power to EESS
58 Figure 22 – Sequence of UC4: set operational function/schedule to EESS
Table 11 – Information exchange in UC3: Set discharging power to EESS
Table 12 – Information exchange in UC4: set operational function to EESS
59 5.2.5 Summary of exchanged information in use cases
Figure 23 – Sequence of UC5: Alarm/Asset Monitoring of EESS
Table 13 – Information exchange in UC4: set schedule to EESS
Table 14 – Information exchange in UC5: Alarm/Asset Monitoring of EESS
60 Table 15 – Summary of exchanged Information in use cases with corresponding DOs/LNs
64 6 IEC 61850 based information modelling
6.1 Logical Nodes from 61850-90-9 namespace
6.1.1 General
Figure 24 – Class diagram LogicalNodes_90_9::StorageLNs_Global arrangement
65 Figure 25 – Class diagram LogicalNodes_90_9::StorageLNs_Details
66 Figure 26 – Class diagram LogicalNodes_90_9::StorageLNs_90_9_1
67 Figure 27 – Class diagram LogicalNodes_90_9::StorageLNs_90_9_2
68 6.1.2 Abstract LNs related to the 61850-90-9 namespace (AbstractLN_90_9)
Table 16 – Data objects of Storage_Control_LN
Table 17 – Data objects of StorageOperationalSettingsLN
70 Table 18 – Data objects of StorageNameplateRatingsLN
72 Table 19 – Data objects of DER_StorageLN
73 6.1.3 Logical Nodes from Group D (LNGroupD_90_9)
Table 20 – Data objects of DBAT
76 Table 21 – Data objects of DSTO
80 6.1.4 Logical Nodes from Group S (LNGroupS_90_9)
Table 22 – Data objects of SBAT
83 6.2 Enumerations
6.2.1 General
84 6.2.2 Battery Test Results (BatteryTestResultKind)
6.2.3 Type of Battery (BatteryTypeKind)
Figure 28 – Class diagram DOEnums_90_9::DOEnums_90_9
Table 23 – Literals of BatteryTestResultKind
85 6.2.4 Storage charging/discharging permissions (ChargeSourceKind)
Table 24 – Literals of BatteryTypeKind
Table 25 – Literals of ChargeSourceKind
86 Annex A (informative)Concrete case 1&2: YSCP (Yokohama Smart City Project) DER MS (Battery SCADA) system use cases
A.1 System use cases #1: Online power system control with aggregated battery based EESS (virtual energy storage)
A.1.1 Descriptions of function
87 Figure A.1 – Load Frequency control by battery aggregation
88 Figure A.2 – Actors
90 A.1.2 Step by step analysis of function
99 A.1.3 Auxiliary issues – Revision history
A.2 System use case #2 Active power schedule updating by using aggregated battery-based EESS
A.2.1 Descriptions of function
106 Figure A.3 – Calculation of the total surplus potential for the default plan
Figure A.4 – Calculation of the schedule of batteries for the default plan
107 Figure A.5 – Calculation of the schedule of batteries for the default plan
Figure A.6 – Calculation of the schedule of batteries for the plan
108 A.2.2 Step by step analysis of function
115 A.2.3 Auxiliary issues – Revision history
116 Annex B (informative)DER functions to meet EESS energy application requirements
120 Annex C (informative)Energy service by electrical energy storage system use case #1(Energy supply and demand adjustment using customer’s battery system)
C.1 Use case description
C.1.1 Use case name
C.1.2 Use case scope and objectives
121 C.1.3 Use case detailed description
122 C.2 Use case diagrams
125 C.3 Technical details – Actors
126 C.4 Information exchanged
127 Bibliography

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BSI PD IEC TR 61850-90-9:2020
$215.11