Produktbild: Electrical Equipment

Electrical Equipment A Field Guide

Fr. 313.00

inkl. gesetzl. MwSt., Versandkostenfrei


Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

08.09.2021

Verlag

John Wiley & Sons Inc

Seitenzahl

480

Maße (L/B/H)

1/1/1 cm

Gewicht

454 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-76894-4

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

08.09.2021

Verlag

John Wiley & Sons Inc

Seitenzahl

480

Maße (L/B/H)

1/1/1 cm

Gewicht

454 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-76894-4

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: GPSR Kontakt

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  • Produktbild: Electrical Equipment
  • Foreword xiii

    Preface xv

    1 Introduction 1

    1.1 Introduction 1

    1.2 Electrical Power Supply 1

    1.3 Classification of Voltages or Voltage Bands 2

    1.4 Standards Agencies 2

    1.5 Electrical Standards 12

    1.6 Abbreviations 15

    1.7 Constants 19

    1.8 Types of Maintenance 19

    1.9 Useful Life of Equipment 22

    2 Transformers 25

    2.1 Introduction 25

    2.2 Types of Transformers 27

    2.3 Transformer on No Load 27

    2.4 Transformer on Load 28

    2.5 Total Equivalent Circuit of Transformer (Referred to Primary Side) 29

    2.6 Losses in a Transformer 29

    2.7 Efficiency of Transformer 30

    2.8 Parallel Operation of Transformers 31

    2.9 Rating Plate of Transformer 32

    2.10 Information to Be Given to Purchase a Transformer 49

    2.11 Tests on Transformer 52

    2.12 Maintenance of Transformers 54

    2.13 Troubleshooting Chart for Transformers 65

    2.14 Latest Trends Opportunities in Transformer Technology 65

    3 Generators 73

    3.1 Introduction 73

    3.2 Alternator 73

    3.3 Field Poles 74

    3.4 Construction of Field Poles 74

    3.5 EMF Equation of Alternator 75

    3.6 Capability Curve 76

    3.7 Design of Alternator 80

    3.8 Rating Plates 80

    3.9 Voltage Regulation of Synchronous Generator 85

    3.10 Excitation 86

    3.11 Connections 87

    3.12 Neutral Grounding 88

    3.13 Cooling 88

    3.14 Short-Circuit Ratio (SCR) 89

    3.15 Pitch Factor (Kp) or Chording Factor (Kc) 90

    3.16 Distribution Factor (Kd) 91

    3.17 Leakage Reactance (Xl) 92

    3.18 Armature Reaction 92

    3.19 Operation of Generator When Connected to an Infinite Bus 93

    3.20 Load Sharing of Grid-Connected Alternator 94

    3.21 Typical Values of Various Reactances and Time-Constants 94

    3.22 Load Characteristics of Alternators 94

    3.23 Salient Pole Machine with Two Reaction Theory 97

    3.24 Hunting 98

    3.25 Stability and Swing Equation 98

    3.26 Prime-Mover Rating Plates 99

    3.27 Effect of Unbalanced Loads and External Faults 100

    3.28 Voltage Regulators 101

    3.29 Parallel Operation of Alternators Under Different Conditions 101

    3.30 Induction Generator 103

    3.31 Doubly Fed Induction Generator 105

    3.32 Latest Trends in TG Technology 105

    3.33 Maintenance 107

    3.34 Fault Finding 107

    3.35 Generator Failure Modes 107

    3.36 Tests on a Turbo-Generator 107

    3.37 Tests on Engine-Driven Generator 110

    3.38 Gaps and Research Opportunities 111

    4 Induction Motors 113

    4.1 Introduction 113

    4.2 Comparison Between Various Types of Motors 113

    4.3 Working Principle of 3-Phase Induction Motor 114

    4.4 Construction of SCIM 115

    4.5 Equivalent Circuit of SCIM 118

    4.6 Torque-Speed Curve of SCIM 119

    4.7 T-S Curve for SRIM 121

    4.8 Torque-Speed Curve of Single-Phase Motor (Split Phase) 122

    4.9 Name Plate or Rating Plate of SCIM 122

    4.10 Power Stages of Induction Motor 140

    4.11 Abnormal Conditions 140

    4.12 Starting of Induction Motors 143

    4.13 Speed Control of Induction Motors 143

    4.14 Deep Cage Induction Motor 143

    4.15 Double Cage SCIM 145

    4.16 Selection of Motor Power for an Application 146

    4.17 Design of Induction Motors 146

    4.18 Characteristics of Loads 149

    4.19 Circle Diagram 149

    4.20 Alignment of Motor with Driven Equipment 152

    4.21 Shaft and Bearing Currents in Large Motors 153

    4.22 Special Motors for Hazardous/Explosive Areas 154

    4.23 Identification of 3-Phase Winding Leads 155

    4.24 Tests on Induction Motor 156

    4.25 Maintenance 158

    4.26 Trouble-Shooting 170

    4.27 Heating and Cooling Curves of Induction Motor 170

    4.28 Smart Motors 178

    4.29 Single-Phase Induction Motors 179

    4.30 Information to Be Given to Purchase a 3-Phase Induction Motor 181

    4.31 Protection Against Faults 183

    4.32 Motors for Electrical Vehicles 183

    4.33 Future Scope 184

    5 Circuit Breakers and Contactors 185

    5.1 Introduction 185

    5.2 Arcing Phenomenon 185

    5.3 Types of Circuit Breakers 186

    5.4 AC and DC CBs 186

    5.5 DCCB 186

    5.6 CB Contacts 189

    5.7 Selection of CB 189

    5.8 Operation of CBs 192

    5.9 Name Plate of CBs 199

    5.10 Tests on CB 203

    5.11 Information to Be Given to Purchase a CB 204

    5.12 Maintenance of CB 205

    5.13 Contactors 207

    5.14 MCB, MCCB and RCCB 215

    6 Protection and Measurement Systems 225

    6.1 Introduction 225

    6.2 Desirable Characteristics of Protective Device 225

    6.3 Current Transformer 226

    6.4 Voltage Transformer 242

    6.5 Measuring Instruments 249

    6.6 Multi-Function Meter 253

    6.7 Desirable Characteristics of Meters 253

    6.8 Meter Symbols and Codes 254

    6.9 AVO or Multimeter 254

    6.10 Meter Calibration Reports 255

    7 Earthing and Lightning 257

    7.1 Earthing 257

    7.2 Earthing, Grounding and Bonding 257

    7.3 System Neutral Grounding 259

    7.4 LV Neutral Earthing 260

    7.5 Types of Earth Electrodes 264

    7.6 Measurement of Earth Resistance 264

    7.7 General Guidelines on Earthing 269

    7.8 Lightning Arrester 269

    7.9 Protection Against Lightning 269

    7.10 Definitions 271

    7.11 Name Plate of LA 273

    7.12 Protective Devices Against Lightning Surges 274

    7.13 Surge Protective Device (SPD) 274

    7.14 Lightning Conductor Size 277

    7.15 Inspection and Maintenance of Lightning Protection System 277

    7.16 Testing of LA 278

    8 Fuses 281

    8.1 Introduction 281

    8.2 Terms Used in the Fuse Field 281

    8.3 Cut-Off Characteristic of Fuse 282

    8.4 Fuse Law (Prece's Law) 283

    8.5 Types of Fuses 284

    8.6 Application Categories and TCC of Fuses 288

    8.7 Discrimination between an Over Current Relay and Fuse 289

    8.8 Semi-Conductor Fuse 290

    8.9 Examples of Selection of Fuse 291

    8.10 Symbols of Fuse Letter Code 293

    8.11 Desirable Characteristics of Fuse 293

    8.12 Tests Recommended on Fuses 294

    8.13 Market Models of Fuses 294

    9 Protective Relays 301

    9.1 Introduction 301

    9.2 Terms Used in Relaying 301

    9.3 Types of Protection 302

    9.4 Types of Relays 302

    9.5 Relay Block Diagrams of Three Generations 304

    9.6 IDMT Relay Calculations 305

    9.7 Inverse - Time Over-Current Relays 306

    9.8 Comparison between Three Generation Relays 308

    9.9 Thermal Overload Relays 308

    9.10 Protections of Various Electrical Equipment 310

    9.11 Relay Settings 312

    9.12 Protection System Failure Modes 313

    9.13 Maintenance of Relays 315

    9.14 Field Testing 315

    9.15 Relay Co-Ordination 317

    9.16 Protective Device Numbers 323

    9.17 Challenges and Opportunities 323

    10 Cables and Overhead Conductors 329

    10.1 Introduction 329

    10.2 Conducting Materials 329

    10.3 Cable Insulating Material 330

    10.4 Construction of Cables 330

    10.5 Overhead Conductor versus Cable 332

    10.6 Comparison between PVC and XLPE Cables 332

    10.7 De-Rating Factors 333

    10.8 Special Cables 333

    10.9 FRLS Cable Properties 335

    10.10 Methods of Cable Laying 336

    10.11 Identification Codes of Cables 336

    10.12 Selection of Cable 337

    10.13 Rule of Thumb for Industrial Work 338

    10.14 Fault Location Methods 339

    10.15 Maintenance on Cables 340

    10.16 Cable Jointing 341

    10.17 Tests on PVC Cables 341

    10.18 Tests on XLPE Cables 343

    10.19 Overhead Lines 345

    10.20 FACTS 347

    11 Solar Photovoltaics 353

    11.1 Introduction 353

    11.2 Solar Energy 353

    11.3 Forms of Energy Resources 354

    11.4 Solar Spectrum 354

    11.5 Solar Energy Fundamentals 357

    11.6 I-V and P-V Curves 362

    11.7 Solar Photovoltaic Power Plants 363

    11.8 Modelling of PV Modules 365

    11.9 Performance Indicators 366

    11.10 Maximum Power Point Tracking 368

    11.11 Rating Plates of SPP 369

    11.12 Opportunities and Future Scope 369

    12 Storage Batteries 375

    12.1 Introduction 375

    12.2 Faraday's Law of Electrolysis 375

    12.3 Types of Batteries 376

    12.4 Dry Cell 376

    12.5 Technical Terms 379

    12.6 Secondary Batteries 381

    12.7 Lead - Acid Battery 383

    12.8 Nickel-Cadmium Batteries 391

    12.9 Lithium Batteries 393

    12.10 Latest Trends in Energy Storage Field 395

    12.11 Maintenance 397

    12.12 Some Other Notable Points on Battery 399

    12.13 Batteries for Electric Vehicles 400

    12.14 Smart Battery 402

    12.15 Future Outlook 402

    13 Computer Aided Studies in Power Systems (CASiPS) 405

    13.1 Introduction 405

    13.2 E-TAP 406

    13.3 EDSA 408

    13.4 PV Syst 409

    13.5 Power Factory 410

    13.6 Matlab-Simulink 412

    14 Lighting 413

    14.1 Introduction 413

    14.2 Definitions 414

    14.3 Type of Lighting Technologies 419

    14.4 Estimation of Illumination 419

    14.5 Recommended Illumination Levels 421

    14.6 Lamps Rating Plate 421

    14.7 Fluorescent Lamp Colour Temperatures 430

    15 Electrical Safety 439

    15.1 Introduction 439

    15.2 Hazards and Effects of Electric Current 439

    15.3 Electric Shock 440

    15.4 Permit to Work System and Qualification and Training 442

    15.5 Personnel Protective Equipment and Devices 446

    Index 449