This book provides an introduction to the main design principles， methods， proceclurcs，and development trends in spacecraft power systems. It is divided into nine chapters，the first of which covers the classification and main components of primary power system design and power distribution system design. In turn， Chapters 2 to 4 focus on the spacecraft power system design experience and review the latest typical design cascs concerning spacecraft power systems in China. More specifically， these chapters also introduce readers to the topological structure and key technologies used in spacecraft power systems. Chapters 5 to 7 address power system reliability and safety design，risk analysis and control， and inorbit management in China's spacecraft engineering projects. The book's closing chapters provide essential information on new power systems and technologies， such as space nuclear power， micro- and nano-satellite power systems， and space energy interconnection systems. An outlook on future development trends rounds out the coverage.
1 Introduction 1.1 Definitions and Functions 1.2 Classification and Composition 1.2.1 Classification 1.2.2 Composition 1.3 Primary Power Subsystem 1.3.1 Power Generation Technologies 1.3.2 Power Storage Technology 1.3.3 Power Control Technology 1.4 System Circuit Subsystem (SCS) 1.4.1 Power Distribution Architecture 1.4.2 Tasks and Configuration of SCS 1.4.3 Overcurrent Protection Technology 1.5 Development Process of Spacecraft Power System 1.5.1 Development Phases 1.5.2 Development Process 1.6 Power System Evaluation 1.7 Development of Spacecraft Power System in China 1.7.1 Development of Spacecraft Power System Technology 1.7.2 Development of Spacecraft Power Distribution Technology and SCS Technology References 2 Design of Primary Power Subsystem 2.1 Design Basis and Constraints 2.1.1 Space Environment and Its Effects 2.1.2 Flight Mission 2.1.3 Mutual Constraints in the Design of Spacecraft Power System 2.1.4 Flight Procedure 2.1.5 Lighting Conditions 2.1.6 Payload Configuration and Load Characteristics 2.2 Power System Topology 2.2.1 Bus Voltage 2.2.2 Bus Configuration 2.2.3 Power Regulation of Solar Arrays 2.2.4 Energy Transfer Method 2.2.5 Bus Voltage Regulation Methods 2.2.6 Installation of Solar Array 2.3 Design and Calculation of Power System 2.3.1 Solar Array 2.3.2 Battery Pack 2.3.3 Power Control Unit (PCU) 2.3.4 Energy Balance Analysis References 3 Design of System Circuit Subsystem (SCS) 3.1 General 3.2 Working Environment and Constraints 3.2.1 Electromagnetic Environment 3.2.2 Mechanical Environment 3.2.3 Thermal Environment 3.2.4 Space Environment 3.2.5 Other Environments
3.3 System Design 3.3.1 Design of Load Power Priority 3.3.2 Design of Distribution Bus System 3.3.3 Design of Distribution Bus Control 3.3.4 Bus Protection Design 3.4 Design of Grounding and Lapping 3.4.1 Design of Grounding System 3.4.2 Design of Spacecraft Grounding and Lapping 3.4.3 Design Examples of Spacecraft Grounding and Lapping 3.5 Design of System Circuit Interfaces 3.5.1 General 3.5.2 Design of Interface Between Satellite (Spacecraft) and Rocket 3.5.3 Design of Interface Between Satellite (Spacecraft) and Ground 3.5.4 Design of Other Key Interfaces 3.6 Design of System Circuit 3.6.1 Power Distribution Unit (PDU) 3.6.2 EED Manager 3.6.3 Cable Harness References 4 Design Example of Power System 4.1 Design Example of Power System of GEO Satellite 4.1.1 Design Conditions 4.1.2 System Design 4.1.3 Solar Array Design 4.1.4 Design of Battery Pack 4.1.5 Design of Power Control Unit (PCU) 4.2 Design Example of Power System of the Satellite in Sun-Synchronous Orbit 4.2.1 Design Conditions 4.2.2 System Design 4.2.3 Solar Array Design 4.2.4 Design of Battery Packs 4.2.5 PCU Design 4.3 Design Example of Power System of Deep-Space Exploration 4.3.1 System Design 4.3.2 Design of Solar Array on Lander 4.3.3 Design of Lander Battery Pack 4.3.4 Design of Lander Power Control 4.3.5 Sleep/Wake Design 4.3.6 Technology of Energy Reuse Among Multiple Devices References 5 Reliability and Safety Design for Power System 5.1 Design Overview 5.2 Prediction and Allocation of Quantitative Reliability Indicators 5.2.1 Establishment of Reliability Model 5.2.2 Reliability Prediction 5.2.3 Reliability Allocation 5.3 Thermal Design and Mechanical Environment Resistance
Design 5.3.1 Thermal Design 5.3.2 Mechanical Environment Resistance Design 5.4 Design of Derating and Redundancy Margin 5.4.1 Derating Design 5.4.2 Redundant Design 5.4.3 Margin Design 5.5 Electromagnetic Compatibility (EMC) and Anti-ESD Design 5.5.1 Design of Electromagnetic Compatibility 5.5.2 Anti-ESD Design 5.6 Anti-radiation Design 5.6.1 Anti-radiation Design of Solar Array 5.6.2 Anti-radiation Design of Electronic Equipment 5.7 Design of Power Supply Safety 5.7.1 General Principle 5.7.2 Design of Battery Pack Safety 5.7.3 Design of System Circuit Safety 5.7.4 Design of Integrated Test Safety References 6 Analysis and Control of Technical Risks in Power System 6.1 Overview of Technical Risks 6.1.1 Technology Risk Planning 6.1.2 Identification and Evaluation of Technical Risks 6.1.3 Response to Technical Risks 6.1.4 Monitoring of Technical Risks 6.2 Items of Technical Risk Analysis and Control 6.2.1 Task Analysis 6.2.2 Identification of Key Characteristics and Quantitative Analysis of Design Margin 6.2.3 Interface Matching Analysis 6.2.4 Effectiveness Analysis for Single Particle Protection and Power Safety Measures 6.2.5 Failure Mode and Effects Analysis 6.2.6 Analysis of the Adequacy of Failure Plan and Its Verification Result References 7 Power System Testing and Environment Experiments 7.1 Power System Testing Technology 7.1.1 Test Equipments 7.1.2 Stand-Alone Equipment Test 7.1.3 System Test 7.2 Environmental Test of Power System 7.2.1 Thermal Test of Power Controller and Distributor 7.2.2 Electrostatic Discharge Test of Solar Array 7.2.3 Safety Test of Batteries References 8 Autonomous Management of Power System 8.1 General 8.2 Failure Mode of Power System 8.2.1 Solar Array Failure 8.2.2 Battery Pack Failure 8.2.3 Failure of Power Control Unit 8.2.4 Distribution Switch and Cable
8.3 Diagnosis of Power System Faults 8.3.1 Fault Diagnosis Technology 8.3.2 Basic Method of Characteristic Modeling 8.4 Design of Autonomous Management System 8.4.1 Scope and Definition of Autonomous Management 8.4.2 Overall Design of Autonomous Management 8.4.3 Application of Three Control Loops 8.4.4 Dynamic Energy Management Technology 8.4.5 Development Trend References 9 Further Space Task demands and Power System Development Trends 9.1 General 9.2 Demand and Development Trend 9.2.1 High Voltage and High Power 9.2.2 Multi-load Characteristic Matching Capability 9.2.3 Intelligent Autonomous Management 9.2.4 Miniaturization, Modularization, and Intensification 9.2.5 Expandability and Maintainability 9.3 High-Voltage High-Power Supply System 9.3.1 General 9.3.2 Key Technologies 9.4 Space Nuclear Power Supply 9.4.1 General 9.4.2 Key Technologies 9.5 Space Energy Interconnection System 9.5.1 General 9.5.2 Key Technologies of Space Energy Interconnection 9.5.3 Conception of Space Energy Interconnection References
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