Transformer Engineering Design and Practice Power Engineering Willis 1st Edition by Kulkarni, Khaparde ISBN 978-0824756536 0824756533
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Transformer Engineering Design and Practice Power Engineering Willis 1st Edition by S.V. Kulkarni, S.A. Khaparde – Ebook PDF Instant Download/Delivery: 978-082475653, 0824756533
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Product details:
ISBN 10: 0824756533
ISBN 13: 978-0824756536
Author: S.V. Kulkarni, S.A. Khaparde
This reference illustrates the interaction and operation of transformer and system components and spans more than two decades of technological advancement to provide an updated perspective on the increasing demands and requirements of the modern transformer industry. Guiding engineers through everyday design challenges and difficulties such as stray loss estimation and control, prediction of winding hot spots, and calculation of various stress levels and performance figures, the book propagates the use of advanced computational tools for the optimization and quality enhancement of power system transformers and encompasses every key aspect of transformer function, design, and engineering.
Table of contents:
1 Transformer Fundamentals
1.1 Perspective
1.2 Applications and Types of Transformers
1.3 Principles and Equivalent Circuit of a Transformer
1.4 Representation of Transformer in Power System
1.5 Open-Circuit and Short-Circuit Tests
1.6 Voltage Regulation and Efficiency
1.7 Parallel Operation of Transformers
References
2 Magnetic Characteristics
2.1 Construction
2.2 Hysteresis and Eddy Losses
2.3 Excitation Characteristics
2.4 Over-Excitation Performance
2.5 No-Load Loss Test
2.6 Impact of Manufacturing Processes on Core Performance
2.7 Inrush Current
2.8 Influence of Core Construction and Winding Connections on No-Load Harmonic Phenomenon
2.9 Transformer Noise
References
3. Impedance Characteristics
Reactance Calculation
Different Approaches for Reactance Calculation
Two-Dimensional Analytical Methods
Numerical Method for Reactance Calculation
References
Impedance Characteristics of Three-Winding Transformer
Reactance Calculation for Zigzag Transformer
Zero-Sequence Reactance Estimation
Stabilizing Tertiary Winding
4. Eddy Currents and Winding Stray Losses
4.1 Field Equations
4.2 Poynting Vector
4.3 Eddy Current and Hysteresis Losses
4.4 Effect of Saturation
4.5 Eddy Loss in a Transformer Winding
4.6 Circulating Current Loss in Transformer Windings
References
5. Stray Losses in Structural Components
5.1 Factors Influencing Stray Losses
5.2 Overview of Methods for Stray Loss Estimation
5.3 Core Edge Loss
5.4 Stray Loss in Frames
5.5 Stray Loss in Flitch Plates
5.6 Stray Loss in Tank
5.7 Stray Loss in Bushing Mounting Plates
5.8 Evaluation of Stray Loss Due to High Current Leads
5.9 Measures for Stray Loss Control
5.10 Methods for Experimental Verification
5.11 Estimation of Stray Losses in Overexcitation Condition
5.12 Load Loss Measurement
References
6. Short Circuit Stresses and Strength
6.1 Short Circuit Currents
6.2 Thermal Capability at Short Circuit
6.3 Short Circuit Forces
6.4 Dynamic Behavior Under Short Circuits
6.5 Failure Modes Due to Radial Forces
6.6 Failure Modes Due to Axial Forces
6.7 Effect of Pre-Stress
6.8 Short Circuit Test
6.9 Effect of Inrush Current
6.10 Split-Winding Transformers
6.11 Short Circuit Withstand
6.12 Calculation of Electrodynamic Force Between Parallel Conductors
6.13 Design of Clamping Structures
References
7. Surge Phenomena in Transformers
Initial Voltage Distribution
Capacitance Calculations
Capacitance of Windings
Inductance Calculation
Standing Waves and Traveling Waves
Methods for Analysis of Impulse Distribution
Computation of Impulse Voltage Distribution Using State Variable Method
Winding Design for Reducing Internal Overvoltages
8. Insulation Design
8.1 Calculation of Stresses for Simple Configurations
8.2 Field Computations
8.3 Factors Affecting Insulation Strength
8.4 Test Methods and Design Insulation Level (DIL)
8.5 Insulation Between Two Windings
8.6 Internal Insulation
8.7 Design of End Insulation
8.8 High-Voltage Lead Clearances
8.9 Statistical Analysis for Optimization and Quality Enhancement
References
9. Cooling Systems
9.1 Modes of Heat Transfer
9.2 Cooling Arrangements
9.3 Dissipation of Core Heat
9.4 Dissipation of Winding Heat
9.5 Aging and Life Expectancy
9.6 Direct Hot Spot Measurement
9.7 Static Electrification Phenomenon
References
10 Structural Design
10.1 Importance of Structural Design
10.2 Different Types of Loads and Tests
10.3 Classification of Transformer Tanks
10.4 Tank Design
10.5 Methods of Analysis
10.6 Overpressure Phenomenon in Transformers
10.7 Seismic Analysis
10.8 Transformer Noise: Characteristics and Reduction
References
11 Special Transformers
11.1 Rectifier Transformers
11.2 Converter Transformers for HVDC
11.3 Furnace Transformers
11.4 Phase Shifting Transformers
References
12 Recent Trends in Transformer Technology
12.1 Magnetic Circuit
12.2 Windings
12.3 Insulation
12.4 Challenges in Design and Manufacture of Transformers
12.5 Computer-Aided Design and Analysis
12.6 Monitoring and Diagnostics
12.7 Life Assessment and Refurbishment
References
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Tags: Kulkarni, Khaparde, Transformer Engineering, Practice Power Engineering