PDF Of Principles Of Power System By V.K Mehta

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Information about the book




Title: Principles Of Power System
Language: English
Pages: 612
Size: 11 MB
Format: PDF
Year: 2012
Author: V.K Mehta

V.K Mehta is the best author who published many books related to electrical engineering. The author's aim is to keep the book up to date with new things. The principle of the power system is also one of the best books of the author.

This is very useful for those who are interested in learning things in detail about the power system. This book explains in detail each and every concept related to the electrical power system, each and every point is covered in this book. There are many chapters in this book:

Chapters

Chapter 01: Introduction

01. Importance of Electrical Energy
02. Generation of Electrical Energy
03. Sources of Energy
04. Comparison of Energy Sources

05. Units of Energy
06. Relationship Among Energy Units
07. Efficiency
08. Calorific Value of Fuels
09. Advantages of Liquid Fuels Over Solid Fuels
10. Advantages of Solid Fuels Over Liquid Fuels

Chapter 02: Generating Stations

01. Generating Stations
02. Steam Power Station (Thermal Station)
03. Schematic Arrangement of Steam Power Station
04. Choice of Site for Steam Power Stations
05. The efficiency of Steam Power Station
06. Equipment of Steam Power Station
07. Hydro-electric Power Station
08. Schematic Arrangement of Hydro-electric Power Station
09. Choice of Site for Hydro-electric Power Stations
10. Constituents of Hydro-electric Plant
11. Diesel Power Station
12. Schematic Arrangement of Diesel Power Station
13. Nuclear Power Station
14. Schematic Arrangement of Nuclear Power Station
15. Selection of Site for Nuclear Power Station
16. Gas Turbine Power Plant
17. Schematic Arrangement of Gas Turbine Power Plant
18. Comparison of the Various Power Plants

Chapter 03: Variable Load on Power Stations

01. Structure of the Electric Power System
02. Variable Load on Power Station
03. Load Curves
04. Important Terms and Factors
05. Units Generated per Annum
06. Load Duration Curve
07. Types of Loads
08. Typical Demand and Diversity Factors
09. Load Curves and Selection of Generating Units
10. Important Points in the Selection of Units
11. The Peak Load on Power Station
12. Method of Meeting the Load

13. Interconnected Grid System

Chapter 04: Economics of Power Generation

01. Economics of Power Generation
02. Cost of Electrical Energy
03. Expressions for Cost of Electrical Energy
04. Methods of Determining Depreciation
05. Importance of High Load Factor

Chapter 05: Tariff

01. Tariff
02. Desirable Characteristics of a Tariff
03. Types of Tariff

Chapter 06: Power Factor Improvement

01. Power Factor
02. Power Triangle
03. Disadvantages of Low Power Factor
04. Causes of Low Power Factor
05. Power Factor Improvement
06. Power Factor Improvement Equipment

07. Calculations of Power Factor Correction
08. Importance of Power Factor Improvement
09. Most Economical Power Factor

Chapter 07: Supply Systems

01. Electric Supply System
02. Typical a.c. Power Supply Scheme
03. Comparison of D.C. and A.C. Transmission
04. Advantages of High Transmission Voltage
05. Various Systems of Power Transmission
06. Comparison of Conductor Material in Overhead System
07. Comparison of Conductor Material in Underground System
08. Comparison of Various Systems of Transmission
09. Elements of a Transmission line
10. Economics of Power Transmission
11. Economic Choice of Conductor size
12. Economic Choice of Transmission Voltage
13. Requirements of Satisfactory Electric Supply

Chapter 08: Mechanical Design of Overhead Lines

01. Main Components of Overhead Lines
02. Conductor Materials
03. Line Supports
04. Insulators
05. Types of Insulators
06. Potential Distribution over Suspension Insulator String
07. String Efficiency
08. Methods of Improving String Efficiency
09. Important Points
10. Corona
11. Factors Affecting Corona
12. Important Terms
13. Advantages and Disadvantages of Corona
14. Methods of Reducing Corona Effect
15. The sag in Overhead Lines
16. Calculation of Sag
17. Some Mechanical Principles

Chapter 09: Electrical Design of Overhead Lines

01. Constants of a Transmission Line
02. The resistance of a Transmission Line
03. Skin Effect
04. Flux Linkages
05. The inductance of a Single-Phase Two-Wire Line
06. The inductance of a 3-Phase Overhead Line
07. Concept of Self-GMD and Mutual -GMD
08. Inductance Formulas in Terms of GMD
09. Electric Potential
10. The capacitance of a Single-Phase Two-Wire Line
11 The capacitance of a 3-Phase Overhead Line

Chapter 10: Performance of Transmission Lines


01. Classification of Overhead Transmission lines
02. Important Terms
03. Performance of Single-Phase Short Transmission Lines
04. Three-Phase Short Transmission Lines
05. Effect of Load p.f. on Regulation and Efficiency
06. Medium Transmission Lines
07. End Condenser Method
08. Nominal T Method
09. Nominal π Method
10 Long Transmission Lines
11 Analysis of Long Transmission Line (Rigorous method)
12 Generalized Circuit Constants of a Transmission Line
13 Determination of Generalised Constants for Transmission Lines

Chapter 11: Underground Cables

01. Underground Cables
02. Construction of Cables
03. Insulating Materials for Cables
04. Classification of Cables
05. Cables for 3-Phase Service
06. Laying of Underground Cables
07. Insulation Resistance of a Single-Core Cable
08. The capacitance of a Single-Core Cable
09. Dielectric Stress in a Single-Core Cable
10. Most Economical Conductor Size in a Cable
11. Grading of Cables
12. Capacitance Grading
13. Intersheath Grading
14. The capacitance of 3-Core Cables
15. Measurements of Ce and Cc
16. Current-Carrying Capacity of Under-ground Cables
17. Thermal Resistance
18. Thermal Resistance 
19. Permissible Current Loading
20. Types of Cable Faults
21. Murray Loop Test
22. Varley Loop Test

Chapter 12: Distribution Systems – General

01. Distribution System
02. Classification of Distribution Systems
03. A.C. Distribution
04. D.C. Distribution
05. Methods of Obtaining 3-Wire D.C.System
06. Overhead Versus Underground System
07. Connection Schemes of Distribution System
08. Requirements of a Distribution System
09. Design Considerations in Distribution System

Chapter 13: D.C. Distribution

01. Types of D.C. Distributors
02. D.C. Distribution Calculations
03. D.C. Distributor Fed at one End – Concentrated Loading
04. Uniformly Loaded Distributor Fed at One End
05. Distributor Fed at Both Ends Concentrated Loading
06. Uniformly Loaded Distributor Fed at Both Ends
07. Distributor with Both Concentrated and Uniform Loading
08. Ring Distributor
09. Ring Main Distributor with Inter-connector
10. 3-Wire D.C. System
11. Current Distribution in 3-Wire D.C.System
12. Balancers in 3-Wire D.C. System
13. Boosters
14. Comparison of 3-Wire and 2-Wire D.C. Distribution

15. Ground Detectors

Chapter 14: A.C. Distribution

01. A.C. Distribution Calculations
02. Methods of Solving A.C. Distribution Problems
03. 3-Phase Unbalanced Loads
04. Four-Wire Star-Connected Unbalanced Loads
05. Ground Detectors

Chapter 15: Voltage Control

01. Importance of Voltage Control
02. Location of Voltage Control Equipment
03. Methods of Voltage Control
04. Excitation Control
05. Tirril Regulator
06. Brown-Boveri Regulator
07. Tap-Changing Transformers
08. Auto-Transformer Tap-Changing
09. Booster Transformer
10. Induction Regulators
11. Voltage Control by Synchronous Condenser

Chapter 16: Introduction to Switchgear

01. Switchgear
02. Essential Features of Switchgear
03. Switchgear Equipment
04. Bus-Bar Arrangements
05. Switchgear Accommodation
06. Short-Circuit
07. Short-Circuit Currents
08. Faults in a Power System

Chapter 17: Symmetrical Fault Calculations

01. Symmetrical Faults on 3-Phase System
02. Limitation of Fault Current
03. Percentage Reactance
04. Percentage Reactance and Base kVA
05. Short-Circuit kVA
06. Reactor Control of Short-Circuit Currents
07. Location of Reactors
08. Steps for Symmetrical Fault Calculations

Chapter 18: Unsymmetrical Fault Calculations

01. The Asymmetrical Faults on 3-Phase System

02. Symmetrical Components Method
03. Operator ‘a’
04. Symmetrical Components in Terms of Phase Currents
05. Some Facts about Sequence Currents
06. Sequence Impedances
07 Sequence Impedance of Power System Elements
08. Analysis of Unsymmetrical Faults
09. Single Line-to-Ground Fault
10. Line-to-Line Fault
11. Double Line-to-Ground Fault
12. Sequence Networks

13. Reference Bus for Sequence Networks

Chapter 19: Circuit Breakers

01. Circuit Breakers
02. Arc Phenomenon
03. Principles of Arc Extinction
04. Methods of Arc Extinction
05. Important Terms
06. Classification of Circuit Breakers
07. Oil Circuit Breakers
08. Types of Oil Circuit Breakers
09. Plain Break Oil Circuit Breakers
10. Arc Control Oil Circuit Breakers
11. Low Oil Circuit Breakers
12. Maintenance of Oil Circuit Breakers
13. Air-Blast Circuit Breakers
14. Types of Air- Blast Circuit Breakers
15. Sulphur Hexafluoride (SF6) Circuit Breakers
16. Vacuum Circuit Breakers (VCB)
17. Switchgear Components
18. Problems of Circuit Interruption
19. Resistance Switching

20. Circuit Breaker Ratings

Chapter 20: Fuses

01. Fuses
02. Desirable Characteristics of Fuse Element
03. Fuse Element Materials
04. Important Terms
05. Types of Fuses
06. Low Voltage Fuses
07. High Voltage Fuses
08. Current Carrying Capacity of Fuse Element
09. Difference Between a Fuse and Circuit Breaker

Chapter 21: Protective Relays

01. Protective Relays
02. Fundamental Requirements of Protective Relaying
03. Basic Relays
04. Electromagnetic Attraction Relays
05. Induction Relays
06. Relay Timing
07. Important Terms
08. Time/P.S.M. Curve
09. Calculation of Relay Operating Time
10. Functional Relay Types
11. Induction Type Overcurrent Relay (non-directional)
12. Induction Type Directional Power Relay
13. Induction Type Directional Overcurrent Relay
14. Distance or Impedance Relays
15. Definite – Distance Type Impedance Relay
16. Time – Distance Impedance Relay
17. Differential Relays
18. Current Differential Relay
19. Voltage Balance Differential Relay
20. Translate System

21. Types of Protection

Chapter 22: Protection of Alternators and Transformers

01. Protection of Alternators
02. Differential Protection of Alternators
03. Modified Differential Protection for Alternators
04. Balanced Earth-Fault Protection
05. Stator Inter-turn Protection
06. Protection of Transformers
07. Protection Systems for Transformers
08. Buchholz Relay
09. Earth-Fault or Leakage Protection
10. Combined Leakage and Overload Protection
11. Applying Circulating-Current System to Transformers
12. Circulating-Current Scheme for Transformer Protection

Chapter 23: Protection of Busbars and Lines

01. Busbar Protection
02. Protection of Lines
03. Time-Graded Overcurrent Protection
04. Differential Pilot-Wire Protection

05. Distance Protection

Chapter 24: Protection Against Overvoltages

01. Voltage Surge
02. Causes of Overvoltages
03. Internal Causes of Overvoltages
04. Lightning
05. Mechanism of Lightning Discharge
06. Types of Lightning Strokes
07. Harmful Effects of Lightning
08. Protection Against Lightning
09. The Earthing Screen
10. Overhead Ground Wires
11. Lightning Arresters

12. Types of Lightning Arresters

13. Surge Absorber

Chapter 25: Sub-Stations

01. Sub-Station
02. Classification of Sub-Stations
03. Comparison between Outdoor and Indoor Sub-Stations
04. Transformer Sub-Stations
05. Pole-Mounted Sub-Station
06. Underground Sub-Station
07. Symbols for Equipment in Sub-Stations
08. Equipment in a Transformer Sub-Station
09. Bus-Bar Arrangements in Sub-Stations
10. Terminal and Through Sub-Stations
11. Key Diagram of 66/11 kV Sub-Station
12. Key Diagram of 11kV/400 V Indoor Sub-Station

Chapter 26: Neutral Grounding

01. Grounding or Earthing
02. Equipment Grounding
03. System Grounding
04. Ungrounded Neutral System
05. Neutral Grounding
06. Advantages of Neutral Grounding
07. Methods of Neutral Grounding
08. Solid Grounding
09. Resistance Grounding
10. Reactance Grounding
11. Arc Suppression Coil Grounding (or Resonant Grounding)
12. Voltage Transformer Earthing

13. Grounding Transformer

These many chapters are covered in this book.

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