A comprehensive review of state-of-the-art CCHP modeling, optimization, and operation theory and practice

This book was written by an international author team at the forefront of combined cooling, heating, and power (CCHP) systems R&D. It offers systematic coverage of state-of-the-art mathematical modeling, structure optimization, and CCHP system operation, supplemented with numerous illustrative case studies and examples.

CCHP systems are an exciting emerging energy technology offering significant economic and environmental benefits.Combined Cooling, Heating, and Power Systems: Modelling, Optimization, and Operation is a timely response to ongoing efforts to maximize the efficiency of that technology. It begins with a survey of CCHP systems from the technological and societal perspectives, offering readers a broad and stimulating overview of the field. It then digs down into topics crucial for optimal CCHP operation. Discussions of each topic are carefully structured, walking readers from introduction and background to technical details. A set of new methodologies for the modeling, optimization and control of CCHP systems are presented within a unified framework. And the authors demonstrate innovative solutions to a variety of CCHP systems problems using new approaches to optimal power flow, load forecasting, and system operation design.

Timely, authoritative, and offering a balanced presentation of theory and practice,Combined Cooling, Heating, and Power Systems: Modelling, Optimization, and Operationis a valuable resource forresearchers, design practitioners, and graduate students in the areas of control theory, energy management, and energy systems design.

Yang Shi, Professor, PhDis with the Department of Mechanical Engineering, Institute for Integrated Energy Systems, University of Victoria, Victoria, Canada.

Mingxi Liu, PhDfrom the Department of Mechanical Engineering, Institute for Integrated Energy Systems, University of Victoria, Victoria, Canada; is an NSERC Postdoctoral Fellow with the Energy and Resources Group, University of California, Berkeley.

Fang Fang, Professor, PhDis with the School of Control and Computer Engineering, North China Electric Power University, Beijing, China.

List of Figures xiii

List of Tables xvii

Series Preface xix

Preface xxi

Acknowledgment xxiii

Acronyms xxv

Symbols xxvii

Introduction xxxiii

1 State-of-the-Art of Combined Cooling, Heating, and Power (CCHP) Systems 1

1.1 Introduction 1

1.2 Prime Movers 4

1.3 Thermally Activated Technologies 11

1.4 System Configuration 17

1.5 System Management, Optimization, and Sizing 25

1.6 Development and Barriers of CHP/CCHP Systems in Representative Countries 32

1.7 Summary 37

References 38

2 An Optimal Switching Strategy for Operating CCHP Systems 49

2.1 Introduction and Related Work 49

2.2 Conventional Operation Strategies of CCHP Systems 51

2.3 EC Function and The Optimal Switching Operation Strategy 54

2.4 Analysis and Discussion 57

2.5 Case Study 60

2.6 Summary 67

References 67

3 A Balance-Space-Based Operation Strategy for CCHP Systems 69

3.1 Introduction and Related Work 69

3.2 Optimal Operation Strategy 70

3.3 EC Function Construction 78

3.4 Case Study 80

3.5 Summary 85

References 85

4 Energy Hub Modeling and Optimization-Based Operation Strategy for CCHP Systems 87

4.1 Introduction and Related Work 87

4.2 System Matrix Modeling 88

4.3 Optimal Control Design 92

4.4 Case Study 97

4.5 Summary 102

4.A Non-convex Optimization Algorithm 103

References 112

5 Short-Term Load Forecasting and Post-Strategy Design for CCHP Systems 113

5.1 Introduction and Related Work 113

5.2 Estimation Model and Load Forecasting 115

5.3 Operation Strategy Design 119

5.4 Case Study 124

5.5 Summary 134

5.A Closed-Form Identification Solution of Quadratic ARMAX Model 134

References 138

6 Complementary Configuration and Operation of a CCHP-ORC System 140

6.1 Introduction and Related Work 140

6.2 System Configuration and Formulation 141

6.3 Optimal Operation Strategy for Normal Load Cases 146

6.4 Operation Strategy for Over load Cases 148

6.5 EC Function of the CCHP-ORC System 152

6.6 Case Study 152

6.7 Summary 155

References 157

Index 159