1、ASIAN DEVELOPMENT BANK HANDBOOK ON MICROGRIDS FOR POWER QUALITY AND CONNECTIVITY JULY 2020 ASIAN DEVELOPMENT BANK HANDBOOK ON MICROGRIDS FOR POWER QUALITY AND CONNECTIVITY JULY 2020 Creative Commons Attribution 3.0 IGO license (CC BY 3.0 IGO) 2020 Asian Development Bank 6 ADB Avenue, Mandaluyong Cit
2、y, 1550 Metro Manila, Philippines Tel +63 2 8632 4444; Fax +63 2 8636 2444 www.adb.org Some rights reserved. Published in 2020. ISBN 978-92-9262-253-4 (print); 978-92-9262-254-1 (electronic); 978-92-9262-255-8 (ebook) Publication Stock No. TIM200182-2 DOI: http:/dx.doi.org/10.22617/TIM200182-2 The v
3、iews expressed in this publication are those of the authors and do not necessarily reflect the views and policies ofthe Asian Development Bank (ADB) or its Board of Governors or the governments they represent. ADB does not guarantee the accuracy of the data included in this publication and accepts n
4、o responsibility for any consequence of their use. The mention of specific companies or products of manufacturers does not imply that they are endorsed or recommended by ADB in preference to others of a similar nature that are not mentioned. By making any designation of or reference to a particular
5、territory or geographic area, or by using the term “country” inthis document, ADB does not intend to make any judgments as to the legal or other status of any territory or area. This work is available under the Creative Commons Attribution 3.0 IGO license (CC BY 3.0 IGO) https:/creativecommons.org/l
6、icenses/by/3.0/igo/. By using the content of this publication, you agree to be bound bytheterms of this license. For attribution, translations, adaptations, and permissions, please read the provisions andterms of use at https:/www.adb.org/terms-use#openaccess. This CC license does not apply to non-A
7、DB copyright materials in this publication. If the material is attributed toanother source, please contact the copyright owner or publisher of that source for permission to reproduce it. ADB cannot be held liable for any claims that arise as a result of your use of the material. Please contact pubsm
8、arketingadb.org if you have questions or comments with respect to content, or if you wish toobtain copyright permission for your intended use that does not fall within these terms, or for permission to use theADB logo. Corrigenda to ADB publications may be found at http:/www.adb.org/publications/cor
9、rigenda. Notes: In this publication, “$” refers to United States dollars. ADB recognizes “China” as the Peoples Republic of China. Cover design by Kookie Trivio. Photo credits on the cover, clockwise from left: Transmission lines: Energy Sector Development Investment Program in Afghanistan (photo by
10、 Jawad Jalali); Wind farm: 150-Megawatt Burgos Wind Farm Project in the Philippines (ADB); Battery: Solar-Wind Hybrid Project site in Pakistan (photo by Nasr ur Rahman); Light bulb: Power Transmission and Distribution Project in Afghanistan (ADB); Electric tricycle: Mitigation of Climate Change thro
11、ugh Increased Energy Efficiency and the Use of Clean Energy in the Philippines (ADB); Controller: Solar Minigrid Pilot Project in Nepal (photo by C. Lao Torregosa). Contents Tables, Figures, and Boxes v Foreword vii Acknowledgments viii Abbreviations ix Executive Summary xi 1 Microgrid Technologies
12、1 1.1 Overview 1 1.2 Applications and Configurations 3 1.3 Benefits and Barriers 7 1.3.1 General Benefits 7 1.3.2 Drivers by Application Type 10 1.3.3 Barriers 10 1.3.4 Relevance of Grid-Connected Microgrids to Developing Countries 14 1.4 Components of a Microgrid 16 1.4.1 Local Generation 16 1.4.2
13、End-Use Loads and Demand-Side Energy Management 17 1.4.3 Storage 21 1.4.4 Microgrid Monitoring and Control System 22 1.4.5 Utility Interconnection 22 1.4.6 Other Components 22 1.5 Microgrid Types by Design Architecture 26 1.5.1 Categorized by Type of Microgrid Control Approach Centralized vs. Decent
14、ralized 26 1.5.2 Categorized by Type of Power Technology Alternating Current vs. Direct Current vs. Hybrid 30 1.6 Design of a Microgrid 34 1.6.1 Phases in the Implementation of Microgrid Projects 34 1.6.2 Design Parameters 36 1.6.3 Design Software 38 1.6.4 Product Selection 38 1.6.5 Capital Costs 38
15、 Contents iv 1.7 Microgrid Operations and Maintenance 39 1.7.1 Transition Between Grid-Connected and Islanded Modes 39 1.7.2 Maintaining Microgrid System Stability and Synchronous Operation 39 1.7.3 Faults 40 1.7.4 Operational Costs 40 1.7.5 Maintenance 40 2 Business Models and Financial Analysis 45
16、 2.1 Business Model for Grid-Connected Microgrids (Including Technology, Financing, Stakeholders) 45 2.2 Business Model Evaluation and Selection 46 2.3 Financial Analysis 47 2.3.1 Financial Analysis Methodology for Up-Front Capital Investment Model and Renewable Energy Service Company 49 2.3.2 Input
17、s for Financial Analysis Model for Up-Front Capital Investment Model 51 2.3.3 Inputs for Financial Analysis Model for Renewable Energy Service Company Model 52 2.4 Economic or CostBenefit Analysis 53 2.5 Microgrid Policies and Regulations in Asia 53 3 Future Development 63 3.1 Role of Microgrids in
18、the Electricity Ecosystem of the Future 63 3.1.1 Decarbonization, Digitalization, Decentralization, and Non-Wires Solutions 63 3.1.2 The Flip Side: A Case for Continued Addition of Transmission Capacity 65 3.1.3 Microgrids: Key Relevance to the Transportation Sector 65 3.1.4 Relevance of Microgrids
19、to the Current Power System Situation in ADB Developing Member Countries 66 3.1.5 Approaches to Promote Grid-Connected Microgrids and Replicate Pilots 69 3.2 Interconnected Microgrids 71 3.3 Areas for Additional Technical Research 71 3.4 Transactive Energy 72 3.4.1 Peer-to-Peer Energy Trading 73 3.4
20、.2 Blockchain Technologies 73 3.5 Internet of Things, Data Analytics, and Artificial Intelligence 76 APPENDIXES 78 1 Main Technologies of Renewable Distributed Generators 78 2 Main Technologies of Nonrenewable Distributed Generators 79 3 Main Technologies of Storage Systems Used in Microgrids 80 4 S
21、tandards for Alternating Current and Direct Current Microgrids 81 5 Alternating Current and Direct Current Microgrid Control Strategies 83 6 Transactive Energy Case Studies Summary 84 7 Blockchain Smart Contracts 85 8 Blockchain Microgrid Use Case 86 9 Bottom-Up Decision-Making Process on Using Bloc
22、kchain 87 10 Business Models Detailed Description 88 References 94 Tables 1 Drivers by Microgrid Types 10 2 Microgrid Technical and Operational Challenges 12 3 Characteristics of Common Microgrid Generation Sources 17 4 Key Differences between Centralized and Decentralized Microgrid Control 29 5 Fea
23、tures of Microgrid Types (Alternating Current, Direct Current, and Hybrid) 32 6 Social, Economic, Technical, and Legal and Regulatory Evaluation Criteria for Microgrids 35 7 Business Models for Microgrids 46 8 Summary of Financial Feasibility Methodology 49 9 Financing Models for Microgrids 55 10 Mi
24、crogrid Subsidies 56 11 Challenges and Risks in the Implementation of Microgrids 56 12 Measures for Making Microgrids Bankable for Both Project Developers and Lenders or Investors 58 13 Power Situation and Microgrid Drivers in Selected ADB Developing Member Countries 67 14 Applications of Blockchain
25、 to Cleantech 74 15 Layers Proposed for Internet of Things Architecture in a Smart Grid 76 Figures 1 Typical Microgrid Layout 1 2 Microgrid Capacity Share by Region, Fourth Quarter 2017 2 3 Annual Microgrid Capacity and Spending, Base Scenario 20182027 3 4 Microgrids Classified by Technology Complex
26、ity and Ownership Structure 3 5 Santa Rita Jail Microgrid 4 6 Overview of Operations of a Typical Utility Microgrid 5 7 Layout of a Typical Campus Microgrid 6 8 Worldwide Microgrid Installed Capacity by Segment, Second Quarter, 2016 7 9 Microgrid Value Proposition Triangle 8 10 Total Value of a Micr
27、ogrid 9 11 Key Standards Used in Microgrids 12 12 Developing Country Commercial and Industrial Microgrid Value Creation 15 13 Microgrid Schematic Showing Five Broad Categories of Components 16 Tables, Figures, and Boxes Tables, Figures, and Boxes vi 14 Characteristics of End-Use Loads and Generation
28、 18 15 System Architecture of a Typical Automated Demand-Response Implementation 19 16 System Architecture of a Microgrid that Uses Automated Demand-Response 20 17 Comparison of Energy Storage Sources Used in Microgrids 21 18 Power Electronics Interfaces in a Microgrid 23 19 High-Level Topology of M
29、icrogrids and their Interacting Networks 24 20 Microgrid Communication Technologies and Standards 25 21 Schematic of a Centralized Control System 26 22 Schematic of a Decentralized Control System 27 23 Advantages of Centralized over Decentralized Microgrids 28 24 Advantages of Decentralized over Cen
30、tralized Microgrids 29 25 Schematic of an Alternating Current Microgrid Bus with Solar and Wind Generation 30 26 Schematic Diagram of a Direct Current Microgrid using Solar, Wind, and Microgas Turbines 31 27 Typical Block Diagram of a Hybrid Alternating Current/Direct Current Microgrid 32 28 Lifecyc
31、le of a Microgrid Project Implementation 34 29 Microgrid Design Steps Flowchart 37 30 United States Microgrid Costs, by Segment 38 31 Operation and Maintenance Contractor Options 41 32 Classification of the Costs Related to Microgrids 47 33 Components of Microgrid Value 48 34 Process Chart for Finan
32、cial Analysis 51 35 Strategic Process for Microgrids 54 36 Barriers to Financing 57 37 Evolution of the Electricity Grid 64 38 Selected Microgrids in Association of Southeast Asian Nations 68 39 Power Supply Reliability by Region 69 40 Three Primary Motivations for Operational Microgrids in the Unit
33、ed States 70 41 Transactive Energy Operations Overview 72 42 Grid Evolution 73 43 Blockchain Use Cases in Power and Utilities Sector 75 A10.1 Capital Expenditure Investment Model 88 A10.2 Renewable Energy Service Company-Owned Model 89 Boxes 1 Demonstration and Deployment Case 1 42 2 Demonstration a
34、nd Deployment Case 2 43 3 Demonstration and Deployment Case 3 59 4 Demonstration and Deployment Case 4 61 This Handbook on Microgrids for Power Quality and Connectivity is part of a series of reference materials on advanced technologies. The objectives of this series are to support the Asian Develop
35、ment Bank (ADB) operations in adopting and deploying advanced technologies in energy projects for its developing member countries, scale up the ADB Clean Energy Program, and bring the energy sector closer to achieving its targets in climate finance. Developed countries are implementing large-scale s
36、mart grid technologies. Many developing countries are also in the process of adopting various smart grid components into their power systems. Microgrids as one type of distributed energy systems with various renewables and smart grid components can connect and disconnect from the conventional main g
37、rid as physical and/or economic conditions dictate, to enable it to operate in either grid-connected mode (synchronous with the grid) or island mode (functioning autonomously and disconnected from the main electric grid). Microgrids have a critical role in transforming energy systems as a novel dist
38、ribution network architecture within the broader smart grids concept that will contribute to the energy 5Dsdecentralization, decarbonization, digitalization, decreasing consumption, disintermediation. We hope that this handbook serves as a helpful reference for ADB operations and its developing memb
39、er countries as we collectively face the daunting task at hand. Yongping Zhai Chief of Energy Sector Group Asian Development Bank Foreword The Handbook on Microgrids for Power Quality and Connectivity is an output of a comprehensive study carried out by the Sustainable Development and Climate Change
40、 Department (SDCC) of the Asian Development Bank (ADB) under Regional Technical Assistance 9690: Integrated High Impact Innovation in Sustainable Energy TechnologyEnergy System Analysis, Technology Road Maps, and Feasibility Studies for Pilot Testing. The study was conducted by a team in the Sector
41、Advisory Service ClusterEnergy Sector Group led by Susumu Yoneoka, energy specialist, under the overall guidance of Robert Guild, chief sector officer, and Yongping Zhai, chief of the Energy Sector Group. Two international experts were also part of the team and made invaluable contributions in their
42、 capacities as authors of background papers. This handbook was written by Susumu Yoneoka and consultants Sasank Goli and Sagar Gubbi. Kee-Yung Nam, principal energy economist, SDCC, reviewed the publication structure. Charity L. Torregosa, senior energy officer, coordinated the production and worked
43、 with Maria Theresa Mercado (editor), Kookie Trivio (cover designer), Editha Creus (layout artist), and Monina M. Gamboa (proofreader), consultants under the Department of Communications. Staff support was also provided by Angelica Apilado and Maria Dona Aliboso. The authors would like to extend the
44、ir gratitude to Andrew Jeffries and David Elzinga who provided comments, inputs, and insights from ADB operations. Acknowledgments ABC Anchor-Business-Consumer AC alternating current ADB Asian Development Bank ADR automated demand-response ANSI American National Standards Institute ASEAN Association
45、 of Southeast Asian Nations AVR automatic voltage regulation BAN body area network BMS building management system BOO build-own-operate BOOT build-own-operate-transfer C (ii) limited experience in scalable microgrid financing models; (iii) regulatory bottlenecks arising out of restrictions on utilit
46、y franchise rights and retail market access; (iv) cybersecurity concerns and limited technical standards and interconnection protocols; and (v) technical and operational challenges such as power quality, control architecture, grid synchronization and stability, and energy management. Microgrid proje
47、cts in developing countries (including ADB DMCs) can provide gains and benefits beyond solely the energy access benefit that remote off-grid minigrids provide. A key benefit that is often overlooked by policy makers is the collateral benefit of reliability and resilience of electricity supply that g
48、rid-connected microgrids, especially Executive Summary Executive Summary xii commercial and industrial microgrids, can provide. This is especially important as a disaster resilience strategy in several ADB DMCs, particularly in the context of increased risk of natural disasters due to climate change
49、. The selection of the combination of microgrid equipment is based on the key attribute that microgrids must have the ability to maintain a balance between available supply and desirable load demand through careful marriage of supply and demand combined with intelligent control. Thus, the main components of a microgrid are (i)local generation, (ii) end-use loads and demand-side energy management, (iii) energy storage, (iv) microgrid monitoring and control system, (v) utility interconnection, and (vi) other components like power electronics and protection. In ter
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