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PD IEC TS 62898-3-2:2024 Microgrids - Technical requirements. Energy management systems, 2024
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- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviated terms
- 4 General [Go to Page]
- 4.1 System architecture and functional mapping
- Figures [Go to Page]
- Figure 1 – Conceptual map of a power system consisting of a microgrid
- Figure 2 – Functional mapping for operation and control of microgrids
- 4.2 Stand-alone MEMS
- 4.3 Integrated MEMS
- 4.4 Communication protocols and cyber security [Go to Page]
- 4.4.1 Basic principle
- 4.4.2 Recommended methods
- Figure 3 – Typical three-layer communication for structure 1 [Go to Page]
- 4.4.3 Cyber security
- 4.5 Overview of MEMS function requirement
- Figure 4 – Typical two-layer communication for structure 2
- Figure 5 – Microgrid energy management system functional architecture
- 5 Functional requirements [Go to Page]
- 5.1 Dispatch optimization [Go to Page]
- 5.1.1 Dispatch and scheduling models
- 5.1.2 Dispatch optimization modes and objective functions
- 5.1.3 Management of technical constraint conditions
- 5.1.4 Optimization types and approaches
- 5.2 Forecast function [Go to Page]
- 5.2.1 General
- 5.2.2 Forecasting requirements and time dimension
- 5.2.3 Renewable power generation forecast
- 5.2.4 Load forecast
- 5.2.5 Electricity price forecast
- 5.2.6 Input values of forecast
- 5.3 Demand side integration [Go to Page]
- 5.3.1 General
- 5.3.2 Demand side management
- 5.3.3 Demand side response
- 5.3.4 Energy optimisation
- 5.3.5 Power and energy exchange with upstream grid
- 5.4 Flexible resource management [Go to Page]
- 5.4.1 General
- 5.4.2 Controllable load management
- 5.4.3 Energy management
- 5.5 Data archiving, trending and reporting
- 5.6 Market trading module (ancillary services) and market data
- Annex A (informative)Examples of actual microgrid application casesintegrated with associated functions of MEMS [Go to Page]
- A.1 General
- A.2 Application CN1: Obtaining lower energy cost, lower pollution emission, and higher penetration level of renewable energy [Go to Page]
- A.2.1 Overview
- A.2.2 System structure
- A.2.3 Energy management system
- A.2.4 Energy management system operation
- Figure A.1 – The main single diagram of Goldwind microgrid
- A.3 Application CN2: Enhancing local power supply reliability for critical loads with AC/DC hybrid microgrid [Go to Page]
- A.3.1 Overview
- Figure A.2 – Application of EES for wind generation and load matching [Go to Page]
- A.3.2 System structure
- A.3.3 Energy management strategy
- Figure A.3 – Electric network topology of Shangyu AC/DC microgrid [Go to Page]
- A.3.4 Operation modes
- A.3.5 Black start
- A.3.6 Energy management strategy
- A.3.7 Operation modes
- Tables [Go to Page]
- Table A.1 – Operation modes [Go to Page]
- A.3.8 Black start
- A.4 Application DE1: Intelligent, data-driven, and grid stabilizing energy management platform – Developing a pilot for industrial diesel application [Go to Page]
- A.4.1 Overview
- A.4.2 System structure − IDGE Platform
- Figure A.4 – Basic structure of the IDGE Platform
- Figure A.5 – Functional requirements [Go to Page]
- A.4.3 Energy management strategy
- Figure A.6 – Interplay of Layer 1 and Layer 2
- Figure A.7 – Model reaction [Go to Page]
- A.4.4 Demonstrator and evaluation
- Figure A.8 – Technical platform layout
- A.5 Application CN4: Electrifying islands with wind-PV-diesel-energy storage and hybrid microgrids [Go to Page]
- A.5.1 Overview
- Figure A.9 – Dong’ao Island microgrid network topology [Go to Page]
- A.5.2 Purpose
- A.5.3 Main functions of MEMS
- A.5.4 Applications
- Figure A.10 – Guishan Island Microgrid network topology
- A.6 Application CN5: Optimizing local energy resources with demand side integrated microgrid including PV and energy storage [Go to Page]
- A.6.1 Overview
- A.6.2 Purpose
- A.6.3 Main functions of MEMS
- Figure A.11 – Snapshot of active power and reactive powersharing among diesel generator
- Table A.2 – Description of the microgrids [Go to Page]
- A.6.4 Applications
- Figure A.12 – Solar power and load forecasting in Foshan industrial microgrid
- Figure A.13 – Example of power generation and consumption detailed on a particular day in Foshan industrial microgrid
- A.7 Application JP1: Local independent grid supplied by an energy production system of combining biomass, biogas, wood chip co-firing, photovoltaic and small wind power: the Hachinohe demonstration project from Japan [Go to Page]
- A.7.1 Overview
- Figure A.14 – Air conditioner power consumption and space temperaturefor a particular user in Guangzhou residential microgrid [Go to Page]
- A.7.2 Purpose
- A.7.3 Main functions of the control system
- Figure A.15 – Overview of Hachinohe demonstration project [Go to Page]
- A.7.4 Applications
- Figure A.16 – Hierarchical structure of the energy management system
- Figure A.17 – Performances for grid connected operation: deviation from planned flow
- Figure A.18 – Obtained success rate of maintaining frequency and voltage
- Table A.3 – Description of the microgrids
- A.8 Application JP2: Islanding operation of microgrid with only converter connected resources and no-rotating machine: the 2005 World Exposition, Aichi, from Japan [Go to Page]
- A.8.1 Overview
- Figure A.19 – Overall performance under different battery operation modes [Go to Page]
- A.8.2 Purpose
- Figure A.20 – Overview of equipment configuration
- Figure A.21 – Appearance of equipment [Go to Page]
- A.8.3 Main functions of the control system
- Figure A.22 – PAFC system configuration [Go to Page]
- A.8.4 Applications
- Figure A.23 – Block diagram for isolated operation
- A.9 Application JP3: Grasping the impact of mass solar power generation on the actual power system and empirical research on system stabilization measures using storage batteries: Miyakojima Mega Solar Demonstration Research [Go to Page]
- A.9.1 Overview
- Figure A.24 – Power quality (voltage and frequency on Oct. 11th)
- Figure A.25 – Overview of the Miyakojima island power system
- Table A.4 – Outline of the facility
- Figure A.26 – Overview of the demonstration research facility [Go to Page]
- A.9.2 Purpose
- A.9.3 Main functions of the control system
- A.9.4 Applications
- Figure A.27 – Picture of the demonstration research facility
- Figure A.28 – Result of the PV + NaS storage long term operation
- Figure A.29 – NaS storage operation for short term power fluctuation levelling
- Figure A.30 – Example of output fluctuation suppression effect
- A.10 Application IN1: Microgrid dedicated for energy communities on a public distribution grid: Shakti demonstration in H2020 IElectrix project [Go to Page]
- A.10.1 Overview
- Figure A.31 – Image of frequency fluctuation suppression effect [Go to Page]
- A.10.2 Purpose
- A.10.3 Main functions of the MEMS
- Figure A.32 – SHAKTI pilot architecture
- Figure A.33 – Microgrid SCADA example
- Figure A.34 – Example of PV monitoring in the EMS [Go to Page]
- A.10.4 Cybersecurity
- A.10.5 Additional applications
- Figure A.35 – Example of off-grid mode preparation
- A.11 Application QAT1: Desert microgrid, research microgrid in desert environment, education city Doha, Qatar [Go to Page]
- A.11.1 Overview
- A.11.2 System description
- Figure A.36 – Electric network topology of the Desert-μGrid [Go to Page]
- A.11.3 Energy management system (EMS)
- A.11.4 Operational modes
- Figure A.37 – Energy management system of the Desert-μGrid
- Annex B (informative)Communication and data exchange [Go to Page]
- B.1 Information exchange and MEMS
- B.2 EMS-API reference model (IEC 61970-1)
- Table B.1 − Examples of information exchange
- B.3 Architecture of the communication system
- Figure B.1 – EMS-API reference model
- Figure B.2 – Reference architecture based on IEC TR 62357-1
- Bibliography [Go to Page]
