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PD IEC TR 62746-2:2025 Systems interface between customer energy management system and the power management system - Part 2: Use cases, 2025
- undefined
- CONTENTS
- FOREWORD
- INTRODUCTION
- Figures [Go to Page]
- Figure 1 – Examples of demand response capabilities
- 1 Scope [Go to Page]
- Figure 2 – Smart environment as of today
- Figure 3 – Criteria for interoperability
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 Terms and definitions
- Figure 4 – External actor definition
- Figure 5 – Internal actor definition
- 3.2 Abbreviated terms
- 4 Guidelines [Go to Page]
- 4.1 Common architecture model – Architectural criteria
- Figure 6 – Smart Grid Functional Architecture Model
- Figure 7 – Neutral interfaces
- Figure 8 – Mapping Interface (I/F) structure
- Figure 9 – Example of a mapping of messages
- Figure 10 – Different CEM configurations see SG-CG/M490 [5] to [9]
- Figure 11 – Physical combinations
- 4.2 SG CP (Smart Grid Connection Point) [Go to Page]
- 4.2.1 Overview
- Figure 12 – Examples of CEM architecture [Go to Page]
- 4.2.2 Definition of SG CP (Smart Grid Connection Point)
- 4.2.3 Purpose of definition of SG CP (Smart Grid Connection Point)
- Figure 13 – "Group of domains” and "Functional Architecture Model” [Go to Page]
- 4.2.4 Target of demand / supply of power and information that is sent and received
- 4.2.5 Functional criteria of SG CP (Smart Grid Connection Point)
- 4.3 The Communication of the Smart Grid and the Smart Grid Connection Point (interface into the premises)
- Figure 14 – Smart Grid Connection Point SG CP
- Figure 15 – SG CP (in the case of interruption of electrical power supply from energy supplier)
- 4.4 Common messages – information to be exchanged [Go to Page]
- 4.4.1 General
- 4.4.2 Intention of user stories and use cases
- Figure 16 – User stories and use cases process [Go to Page]
- 4.4.3 Relationship of user stories and use cases
- 4.4.4 Criteria for information exchange
- Figure 17 – Relationship user stories and use cases
- Figure 18 – Examples of information to be exchanged
- Tables [Go to Page]
- Table 1 – Information criteria collection
- Table 2 – Mapping user stories to categories [Go to Page]
- 4.4.5 Energy management concepts
- Table 3 – Mapping use cases to categories
- Figure 19 – Traffic Light Concept [Go to Page]
- 4.4.6 Function-specific profiles
- Figure 20 – Structure of a power profile
- Figure 21 – Consumption and generation
- Figure 22 – Structure of an easy power profile
- Table 4 – Information guidelines for "Energy Profile”
- Figure 23 – Structure of a price profile
- Table 5 – Information guidelines "Price and Environment Profile”
- Figure 24 – Structure of a load / generation management profile
- Figure 25 – Structure of a temperature profile
- Table 6 – Information guidelines "Direct Load / Generation Management Profile” [Go to Page]
- 4.4.7 Comfort, management and status information
- 4.4.8 Upcoming profiles for new service criteria
- Table 7 – Information guidelines "Temperature Profile”
- Annex A (informative)User stories and use cases collection [Go to Page]
- A.1 User stories [Go to Page]
- A.1.1 General
- A.1.2 JWG1 Flex start washing machine
- Figure A.1 – Kinds of user stories [Go to Page]
- A.1.3 JWG2 Flex start EV charging
- A.1.4 JWG3 Severe grid stability issues
- A.1.5 JWG4 Power limitation PV
- A.1.6 JWG5 CEM manages devices
- A.1.7 JWG6 Customer sells flexibility
- A.1.8 JWG7 Customer sells decentralized energy
- A.1.9 JWG8 Grid-related emergency situations
- A.1.10 JWG9 Customer connects new smart device
- A.1.11 JWG10 Energy consumption information
- A.1.12 JWG11 Unexpected disconnect
- A.1.13 JWG12 Expected Yearly Costs of Smart Device
- A.1.14 JWG13 Energy storage and feed in based on tariff
- A.1.15 JWG14 Energy Consumption Management From External
- A.1.16 JWG15 Manage in-premises battery system
- A.1.17 JWG16 Manage DER
- A.1.18 JWG17 Peak shift contribution by battery aggregation
- A.1.19 JWG18 Control appliances based on price information
- A.1.20 JWG19 Control appliances based on energy savings signal
- A.1.21 JWG20 Control appliances before power cut
- A.1.22 JWG21 Control appliances in case of natural disaster
- A.1.23 JWG22 Bilateral DR-negawatt
- A.1.24 JWG23 User story lighting
- A.1.25 JWG24 Energy market flexibility management
- A.1.26 Japanese building scenarios on energy management
- A.2 User stories and use case mapping table
- Table A.1 – User stories – Use case mapping table
- A.3 Use case descriptions [Go to Page]
- A.3.1 Overview
- A.3.2 High level use case (JWG1100) Flexible start of a smart device (SD)
- Figure A.2 – Use case and process
- Figure A.3 – Flexible start of a smart device – High-level use case overview
- Figure A.4 – Power sequence – Modelling with slots and time constraints
- Figure A.5 – Workflow of the use case Flexible start of a smart device
- Figure A.6 – Sequence diagram – Announcement of plan
- Figure A.7 – Sequence diagram – Shift preferred power sequence
- Figure A.8 – Sequence diagram – Select alternative power sequence [Go to Page]
- A.3.3 Specialized use case (JWG1110) Control of Smart home appliances based on price information by time slot
- Figure A.9 – Sequence diagram – Configure current power sequence [Go to Page]
- A.3.4 High level use case (JWG112x) Manage mixed energy system like heat pumps with PV, storage battery
- A.3.5 High level use case (JWG113x) Log mixed energy system events of heat pumps with pv, storage battery
- A.3.6 High level use case (JWG120x) Provide local power managing capabilities
- A.3.7 High level use case (JWG121x) Provide local power managing capabilities
- A.3.8 High level use case (JWG2002) District Energy Management
- Figure A.10 – District energy management – High-level use case overview [Go to Page]
- A.3.9 High level use case (WGSP 211x) Exchanging information on consumption, price device status, and warnings with external actors and within the home
- Figure A.11 – Exchanging information on consumption, price device status, and warnings with external actors and within the home – High-level use case overview [Go to Page]
- A.3.10 High level use case (JWG212x, based on WGSP212x) Direct load-generation management (international)
- Figure A.12 – Load-generation management (international) – High-level use case overview [Go to Page]
- A.3.11 high level use case (WGSP2140) Tariff synchronization
- Figure A.13 – Tariff synchronization – High-level use case overview [Go to Page]
- A.3.12 High level use case (JWG3000) Limitation of Power Consumption
- Figure A.14 – Limitation of power consumption – High-level use case overview
- Figure A.15 – Example for two instances of limitation of power consumption use case
- Figure A.16 – Limitation of power consumption use case state machine [Go to Page]
- A.3.13 High level use case (JWG3001) Limitation of Power Production
- Figure A.17 – Limitation of power production – High-level use case overview
- Figure A.18 – Example of permitted ranges for power, depending on the respective valid limit value
- Figure A.19 – Example for two instances of limitation of power production use case
- Figure A.20 – Limitation of power production use case state machine [Go to Page]
- A.3.14 High level use case (JWG3002) Monitoring of Grid Connection Points
- Figure A.21 – Monitoring of grid connection point – High-level use case overview
- Figure A.22 – Location of the grid connection point
- Figure A.23 – Sequence diagram – Use case monitoring of grid connection point [Go to Page]
- A.3.15 High level use case (JWG3003) Monitoring of power consumption
- Figure A.24 – Monitoring of power consumption – High-level use case overview
- Figure A.25 – Sequence diagram – Use case monitoring of power consumption [Go to Page]
- A.3.16 high level use case (JWG3004) Time of Use Tariff
- Figure A.26 – Time of use tariff – High-level use case overview
- Figure A.27 – Incentive table example for consumption
- Figure A.28 – Unique tiers example for consumption and production [Go to Page]
- A.3.17 high level use case (JWG3005) Power Demand Forecast
- Figure A.29 – Power demand forecast – High-level use case overview
- Figure A.30 – Power forecast example: power (P) curves over time (t) [Go to Page]
- A.3.18 high level use case (JWG3006) Power Envelop
- Figure A.31 – Power over time limit curves
- Figure A.32 – Power envelope – High-level use case overview
- Figure A.33 – Example of permitted ranges for power limit curves
- Figure A.34 – Example of active power consumption (hatched area)
- Figure A.35 – Example of active power production (hatched area) [Go to Page]
- A.3.19 high level use case (JWG4000) Residential Home Energy Management integrating DER flexibility aggregation
- Figure A.36 – Residential home energy management integrating DER flexibility aggregation – High-level use case overview
- Bibliography [Go to Page]
