Compound energy systems : optimal operation methods / Shin'ya Obara and Arif Hepbasli.

Format:

Book

Author/Creator:

Obara, Shin'ya.

Contributor:

Hepbasli, Arif.

Series:

RSC Energy Series

RSC energy series ; no. 3

ISSN

Language:

English

Subjects (All):

Distributed generation of electric power.

Electric power production.

Physical Description:

1 online resource (283 p.)

Edition:

1st ed.

Place of Publication:

Cambridge : Royal Society of Chemistry, c2010.

Language Note:

English

Summary:

This book, a distillation of information only touched upon in other books, is aimed at undergraduate and postgraduate students, scientists, engineers and industrialists with an interest in the field.

Contents:

Compound Energy Systems

Contents

Chapter 1 Background

1.1 Distributed Energy System

1.2 Independent Microgrid

1.3 Distribution Plan of Energy System

References

Chapter 2 Operation Analysis of a Compound Energy System - Exhaust Heat Use Plan when Connecting Solar Modules to a Fuel Cell Network

2.1 Introduction

2.2 The Fuel Cell Energy Network with Solar Modules

2.2.1 Urban Area Model

2.2.2 Characteristic of the Solar Module

2.2.3 Hot-Water Piping Network

2.2.4 Facility Scheme

2.3 The Path Plan of a Hot-Water Piping Network

2.3.1 Heat-Transport Model of a Hot-Water Piping Network

2.3.2 Heat-Transfer Model of Hot-Water Piping

2.3.3 Heat Energy Balance

2.3.4 Analysis Method

2.3.5 Analysis Flow

2.4 Case Study

2.4.1 Specifications of Hot-Water Piping

2.4.2 Analysis Procedure

2.4.3 Analysis Conditions and Parameters

2.5 Analysis Results

2.5.1 Results of the Hot-Water Piping Path in FEN that Does not Connect Solar Modules

2.5.2 Influences that Changes in the Output of Solar Modules Have on a Hot-Water Piping Network

2.6 Conclusions

Acknowledgments

Nomenclature

Subscripts

The names of buildings

Chapter 3 Operation of Compound Energy System - Fuel Cell Network System Considering Reduction in Fuel Cell Capacity

3.1 Introduction

3.2 Load Leveling and Arrangement Plan of Fuel Cell

3.2.1 Fuel Cell Network System

3.2.2 Power-Generation Characteristics of the Fuel Cell

3.2.3 Load Leveling Using Water Electrolysis

3.2.4 Distribution of the Fuel Cell

3.2.5 Energy-Balance Equation

3.2.6 Operating Method of the System

3.3 Analysis Method

3.3.1 Procedure of Analysis

3.3.2 Solution Parameters

3.4 Case Study

3.4.1 Energy Demand Pattern and Network System

3.4.2 Reduction Effect of Fuel Cell Facility Capacity.

3.4.3 Route Planning Result of Hot-Water Piping

3.4.4 Result of a Fuel Cell Arrangement Plan

3.5 Conclusions

Chapter 4 Power-Independent House Using PEFC - Operation Plan of a Combined Fuel Cell Cogeneration, Solar Module, and Geothermal Heat Pump System

4.1 Introduction

4.2 Fuel Cell, Solar Modules, and Geothermal Heat Pump Combined System

4.2.1 Scheme of Combined System

4.2.2 Relational Expression

4.2.3 Energy Supply Path

4.3 Energy Balance and Objective Function

4.3.1 Objective Function of System

4.3.2 Multiobjective Optimization

4.4 Analysis Results

4.4.1 Results of Optimization

4.4.2 Equipment Capacity

4.4.3 Objective Function and Characteristics of Operation Plan

4.5 Conclusions

Greek Symbols

Chapter 5 PEFC/Engine Generator Compound Energy System (1) - CO2 Discharge Characteristic of PEFC/Hydrogen-Gas-Engine Hybrid Cogeneration

5.1 Introduction

5.2 System Scheme

5.2.1 HCGS Model

5.2.2 Compression of Reformed Gas

5.2.3 Operating Method of System

5.2.4 Power-Generation-Efficiency Characteristics of HCGS

5.3 Equipment Characteristics

5.3.1 Output Characteristics of NEG

5.3.2 Output Characteristics of PEFC

5.3.3 Carbon-Dioxide Emission Characteristics of Boiler

5.4 Power and Heat Output Characteristics of HCGS

5.4.1 System Operation Map

5.4.2 Operation Map of HCGS

5.5 Case Study

5.5.1 Power and Heat Demand Model

5.5.2 Capacity Setup

5.5.3 Analysis Method

5.6 Results and Discussion

5.6.1 Operation Plan of a Representative Day

5.6.2 Annual Operation Plan

5.7 Conclusion

Equipment

References.

Chapter 6 PEFC/Engine Generator Compound Energy System (2)-Power-Generation Efficiency of an Independent Microgrid Composed of Distributed Engine Generators

6.1 Introduction

6.2 System Description

6.2.1 Independent Microgrid Configuration

6.2.2 Control of the Number of Engine Generators

6.3 Diesel Engine Generator System

6.3.1 Engine Generator Specifications

6.3.2 Output Characteristics of a Small-Scale Diesel Engine Cogeneration System

6.4 Case Study

6.4.1 Analysis Method

6.4.2 Weather Conditions in Sapporo

6.4.3 Energy Demand Models

6.5 Results and Discussion

6.5.1 Load Distribution of the Engine Generator

6.5.2 Number of Distributions, and Full Force Power

6.5.3 Output Characteristics of Each Engine Generator

6.5.4 Power-Generation Efficiency

6.5.5 Power Cost

6.6 Conclusions

Chapter 7 PEFC/Green Energy Compound System (1) - Operation Planning of a PEFC and Photovoltaics with Prediction of Electricity Production Using GA and Numerical Weather Information

7.1 Introduction

7.2 System Configurations

7.2.1 PEFC and Photovoltaics Compound Microgrid

7.2.2 System Operation

7.3 Analysis Method

7.3.1 Power System

7.3.2 Heat Balance

7.3.3 Optimal Analysis Using GA

7.4 Case Analysis

7.4.1 Equipment Specifications

7.4.2 GA Parameters

7.4.3 Energy Demand Pattern

7.4.4 Error of the NWI

7.5 Results and Discussion

7.5.1 Operation Planning

7.5.2 Influence of the Numerical Weather Information Error

7.5.3 Fuel Consumption

7.6 Conclusions

Acknowledgements

Chapter 8 PEFC/Green Energy Compound System (2) - Overall Efficiency of a PEFC with a Bioethanol Solar Reforming System for Individual Houses

8.1 Introduction

8.2 Material and Method.

8.2.1 System Block Diagram

8.2.2 Fuel and Reformed Gas System

8.2.3 Electric Power System

8.2.4 Loss and Auxiliary-Machinery Power

8.2.5 Operation Method of the System

8.3 Heat-Transfer Analysis

8.3.1 Efficiency of Reforming Component

8.3.2 Heat Transfer in the Catalyst Layer

8.3.3 Reforming Reaction and Analytical Model for the Catalyst Layer

8.3.4 Heat Diffusion Equation

8.4 Analysis Method

8.4.1 Temperature Distribution of the Catalyst Layer, and the Composition Distribution

8.4.2 Amount of Exhaust Heat

8.5 Operation Case

8.5.1 Specification of the Reforming Component

8.5.2 Storage of the Reformed Gas

8.5.3 Installation Requirements of the System and Demand Characteristic

8.6 Results and Discussion

8.6.1 Temperature Distribution of the Catalyst Layer

8.6.2 Composition of the Process Gas

8.6.3 Amount of Hydrogen Generated

8.6.4 Production of Electricity and Amount of Purchased Power

8.6.5 Operation of the Exhaust Heat

8.6.6 Overall Efficiency

8.7 Conclusions

Acknowledgement

Chapter 9 PEFC/Green Energy Compound System (3) - Fuel Cell Microgrid with Wind-Power Generation

9.1 Introduction

9.2 Microgrid Model

9.3 Response Characteristic of System Configuration Equipment

9.3.1 Power-Generation Characteristic of Fuel Cell

9.3.2 Output Characteristics of City Gas Reformer

9.3.3 Power-Generation Characteristics of Wind-Power Generation

9.3.4 Generation Efficiency of the Fuel Cell System

9.3.5 Inverter and System Interconnection Device

9.4 Control Parameters and Analysis Method

9.5 Load Response Characteristics of the Microgrid

9.5.1 Step Response

9.5.2 Load Response Characteristics of Cold-Region Houses

9.5.3 Power-Generation Efficiency

9.6 Conclusions

Acknowledgments.

Nomenclature

Chapter 10 Solar Cell/Diesel Engine Compound System with Production-of-Electricity Prediction

10.1 Introduction

10.2 Independent Microgrid with Renewable Energy and Battery

10.2.1 System Configuration

10.2.2 Dynamic Operation Planning

10.2.3 Solar Cell System

10.3 Power Balance and Objective Function

10.3.1 Power Balance

10.3.2 Objective Function

10.4 Analysis Method

10.4.1 Production-of-Electricity Prediction Algorithm of Solar Cell (PAS)

10.4.2 Optimization of Dynamic Operation Using a Genetic Algorithm (GA)

10.4.3 Analysis Flow of Operation Planning

10.5 Case Analysis

10.5.1 Analysis System

10.5.2 Analysis Conditions

10.6 Analysis Results

10.6.1 Prediction of Solar Cell Output Power via PAS

10.6.2 Prediction Error of PAS, and Operation Method of Generating Equipment

10.6.3 Result of Dynamic Operation Planning

10.7 Conclusions

Chapter 11 Dynamic Characteristics of Power for PEFC Compound System

11.1 Introduction

11.2 System Description

11.2.1 Outline of System

11.2.2 System-Control Block Diagram

11.2.3 The Analysis Method

11.3 System Control

11.3.1 The Input of the System

11.3.2 Control of Startup

11.3.3 Control of Heat Output

11.3.4 Town-Gas Consumption

11.4 Results and Discussion

11.4.1 Control Variables and the Response

11.4.2 The Response Characteristics of the System

11.4.3 Operation of the System by the Selected Control Variables

11.5 Conclusions

Equipment Symbols

Chapter 12 Performance Analysis and Assessment of Compound Energy Systems Using Exergy Analysis Method

12.1 Introduction

12.2 Energetic and Exergetic Relations

12.2.1 Dead (or Reference) State

12.2.2 Relations Used.

12.3 Application of Exergy Analysis to Various Compound Energy Systems.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

ISBN:

9781849731041

1849731047

OCLC:

642693382