Computer Aided Design in Power Engineering
اسم المؤلف
Zlatan Stojkovic
التاريخ
المشاهدات
380
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Computer Aided Design in Power Engineering
Application of Software Tools
Zlatan Stojkovic, Ph. D.
Contents
Preface 11
Acknowledgment 17
1. Computer-aided Modeling and
Simulation 19
1.1. Introduction . 19
1.2. Definitions 19
1.3. Categories of approaches to modeling . 19
1.4. Phases of development . 20
1.5. The role of computers in modeling and simulation 21
1.6. Methodology of computer-aided modeling and simulation 21
1.6.1. Formulation of the problem . 21
1.6.2. Analysis of the problem . 23
1.6.3. Forming the mathematical model 24
1.6.3.1 General considerations 24
1.6.3.2 General principles of good modeling 36
1.6.4. Selection of computerized methods . 49
1.6.5. Forming the program . 50
1.6.5.1 Development of the algorithm 51
1.6.5.2 Requirements for resources 54
1.6.5.3 Program characteristics . 54
1.6.6. Simulation . 86
1.6.6.1 Aspects of performing simulation 86
1.6.6.2 Advantages of simulation 98
1.7. Supplement: GIC – software tool for calculating the grounding grid impulse characteristics . 99
1.7.1. Purpose of the program . 99
1.7.2. Mathematical model of a grounding grid in an
impulse regime 100
1.7.3. Sequence of calculation 100
1.7.4. Description of the software 101
1.7.4.1 Defining the parameters for calculating
grounding grid impulse characteristics . 1026 CONTENTS
1.7.4.2 Executing the calculation 106
1.7.4.3 Display of calculation results 106
1.7.5. Calculation examples . 108
1.7.6. Input-output values and possible errors . 113
1.7.6.1 Input-output variables 113
1.7.6.2 Possible Errors 114
1.7.6.3 Messages when working with the software
tool GIC 116
1.7.7. Using windows commands 117
1.7.7.1 Opening the program . 117
1.7.7.2 Appearance of screen with windows commands . 117
1.7.7.3 Description of individual commands using
the help menu . 117
LITERATURE 130
2. APPLICATION OF SOFTWARE TOOLS IN POWER
ENGINEERING CALCULATIONS 135
2.1. MATLAB /Simulink . 135
2.1.1. Introduction 135
2.1.2. Basic groups of blocks in Simulink software? . 138
2.1.3. Additional module SimPowerSystemsTM? 142
2.1.4. Application of MATLAB technical computing software in calculation of characteristic values of fault
current . 160
2.1.4.1 General considerations 160
2.1.4.2 Calculation of characteristic values of the
fault current . 160
2.1.4.3 Calculation process using the Simulink module . 162
2.1.5. SPLCAD software tool for designing medium-voltage
overhead lines . 167
2.1.5.1 Introduction 167
2.1.5.2 Description of SPLCAD software tool and
an example of its application 169
2.1.6. Simulink model of a turbine regulator in the ”Kokin
Brod” hydroelectric power plant . 180
2.1.6.1 General data on the hydroelectric power plant180
2.1.6.2 Modeling the ”Kokin Brod” HPP 180
2.1.6.3 Display of the ”Kokin Brod” HPP turbine
regulator . 184CONTENTS 7
2.1.6.4 Simulink model of turbine regulator 185
2.1.6.5 Comparative analysis of numerically and experimentally obtained results 187
2.2. EMTP / ATP 188
2.2.1. Introduction 188
2.2.2. Examples of calculations of overvoltages caused by
switching operations of the disconnector in metalenclosed SF6 gas insulated switchgears . 192
2.2.2.1 General considerations 192
2.2.2.2 Electromagnetic transient processes in secondary circuits of measurement transformers in GIS . 197
2.2.2.3 Calculation of growth of potential of the
metal enclosure of an SF6 gas insulated
switchgear caused by switching operations
of the disconnector 207
2.3. MS Excel / MS Access . 216
2.3.1. Introduction 216
2.3.2. Application of databases in designing high-voltage
substations 219
2.3.2.1 Criteria for selection of high-voltage equipment 219
2.3.2.2 Calculation of characteristic values of fault
current 221
2.3.3. Application of databases in selection of high-voltage
equipment . 226
2.3.3.1 Definition of database types . 226
2.3.3.2 Example of the application of MS Excel 228
2.3.3.3 Example of the application of MS Access 232
2.3.4. Application of MS Excel macros for design in power
engineering 238
2.3.4.1 Developing macros in MS Excel . 238
2.3.4.2 Examples of the application of macros . 241
2.3.5. Application of MS Excel in designing the power
supply of telecommunications equipment 246
2.3.5.1 Technical description of power supply with
direct voltage . 246
2.3.5.2 Technical calculations 248
2.4. AutoCAD 255
2.4.1. Introduction 255
2.4.2. Spatial (3D) model of a turbogenerator . 2558 CONTENTS
2.4.3. Calculation of the moment of inertia of busbars 260
2.4.4. Designing lightning protection for general and special purpose structures 263
2.4.4.1 General considerations 263
2.4.4.2 Theoretical assumptions for calculation of
the protection level and protected zone . 264
2.4.4.3 Examples of calculations of the protected
zone for a general purpose structure 271
2.4.4.4 Example of calculation of protected zone
for a special purpose structure 274
2.4.5. Designing lightning protection for substations . 281
2.4.5.1 General considerations 281
2.4.5.2 Overview of the method for evaluating the
protected zone of substation as a special
purpose structure . 281
2.4.5.3 Example of calculation of protected zone
for substation . 290
2.4.6. Designing lightning protection for overhead lines . 293
2.4.6.1 General considerations 293
2.4.6.2 Review of the method for calculating the
protected zone of overhead lines as structures with limited danger 295
2.4.6.3 Program organization 297
2.4.6.4 Examples of calculation of overhead line
shielding zone . 300
2.4.7. Conclusions 303
LITERATURE 305
3. APPLICATION OF SOFTWARE TOOLS IN DRAFTING GRAPHICAL DOCUMENTATION 312
3.1. Introduction . 312
3.2. Graphical documentation 313
3.2.1. Electrotechnical graphic symbols 313
3.2.2. Types of electrical diagrams . 315
3.2.3. Marking of devices and connections in diagrams 321
3.3. EPLAN 334
3.3.1. Introduction 334
3.3.2. EPLAN concept 334
3.3.3. Main functions of the CAE tool EPLAN
Electric P8 336
3.3.4. Example of the application of EPLAN . 337CONTENTS 9
3.4. Application of the program SIMARIS DESIGN and SIMARIS
SIVACON for design and installation of low-voltage
switchgear 339
3.4.1. Introduction 339
3.4.2. Application of the program SIMARIS DESIGN 340
3.4.3. Application of the program SIMARIS SIVACON 359
LITERATURE 367
4. APPLICATION OF SOFTWARE TOOLS IN POWER
ENGINEERING PROJECT MANAGEMENT 369
4.1. About projects 369
4.1.1. Definition of a project 369
4.1.2. Types of designs . 369
4.1.3. Participants in realization of the project 371
4.1.4. Content of main design 377
4.1.5. Phases within the realization of the project from
the perspective of the investor 386
4.1.6. Types of contracts 388
4.1.7. Example contract . 392
4.2. Basics of project management . 395
4.2.1. Project cycle . 396
4.2.2. Phases of project management 397
4.3. Examples of project management . 398
4.3.1. Application of the program MS Excel 398
4.3.1.1 Forming dynamic Gantt charts . 399
4.3.1.2 Description of activities . 400
4.3.2. Application of the program MS Project . 403
4.3.2.1 MS Project basics 403
4.3.2.2 Application of MS Project in the drafting
a complete project 405
4.3.2.3 Closing considerations 425
LITERATURE 427
LIST OF ABBREVIATIONS 430
INDEX OF KEY WORDS
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