# EE8701 High Voltage Electronics Engineering Lecture Notes

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Anna University, Chennai
Department of Electrical and Electronics Engineering

Subject Code: EE8701
Subject Name: High Voltage Engineering

Lecture Notes - All Units

Unit 1: Introduction to High Voltage Engineering

1.1 Overview of High Voltage Engineering

Definition and Importance in Electrical Engineering
Historical Development and Milestones
Applications in Power Systems, Transmission, and Industry
1.2 Generation of High Voltages

Techniques for Generating High Voltages: Electrostatic, Electromagnetic, and Impulse Voltage Generation
High Voltage Generation Circuits and Equipment
Voltage Multipliers and Cockcroft-Walton Generator
1.3 High Voltage Testing and Measurement

Importance of High Voltage Testing
Testing Techniques: DC, AC, Impulse, and Partial Discharge Testing
High Voltage Measurement Devices: Sphere Gaps, Potential Transformers, Capacitive Voltage Dividers
Unit 2: Electric Field Calculation and Insulation Coordination

2.1 Electric Field and Potential Distribution

Gauss's Law and Electric Flux Density
Calculation of Electric Field Strength in Uniform and Non-uniform Fields
Capacitance and Voltage Distribution in Capacitors
2.2 Insulation Coordination

Definition and Objectives
Insulation Strength and Coordination Level
Methods for Determining Insulation Strength: Statistical, Analytical, and Empirical Approaches
Surge Protection and Lightning Arresters
Unit 3: Generation, Transmission, and Control of High Voltages

3.1 Generation of High Voltages

Generation of AC High Voltages: Transformers and Resonant Circuits
Generation of DC High Voltages: Cockcroft-Walton Generator, Van de Graaff Generator
3.2 Transmission and Control of High Voltages

High Voltage Transmission Lines: Insulation Requirements and Design Considerations
High Voltage Switching Devices: Circuit Breakers, Isolators, and Disconnectors
Control and Protection of High Voltage Systems
Unit 4: High Voltage Testing Techniques

4.1 DC and AC High Voltage Testing

Purpose and Types of High Voltage Tests
Testing of Insulation Strength and Dielectric Materials
Test Circuits and Equipment: Hipot Testers, AC Dielectric Test Sets
4.2 Impulse and Partial Discharge Testing

Impulse Voltage Testing: Standard Impulse Voltage Waveforms, Impulse Generators
Partial Discharge Measurement Techniques: Electrical, Acoustic, and Ultrasonic Methods
Unit 5: High Voltage Engineering Applications and Safety

5.1 High Voltage Engineering Applications

Applications in Power Systems: Substations, Transmission Lines, Switchgear
Industrial Applications: High Voltage Motors, Generators, and Equipment
Research and Development in High Voltage Engineering
5.2 Safety in High Voltage Engineering

Hazards and Risks Associated with High Voltages
Safety Practices and Guidelines: Personal Protective Equipment (PPE), Safety Interlocks, Grounding Systems
Emergency Response and Incident Management
These lecture notes provide comprehensive coverage of High Voltage Engineering, tailored for students in the Department of Electrical and Electronics Engineering at Anna University, Chennai. With a total of 207 pages in PDF format, these notes include detailed explanations, mathematical derivations, practical examples, and safety guidelines to facilitate understanding and application. Students will gain proficiency in generating, transmitting, testing, and controlling high voltages, preparing them for careers in power systems, transmission, industrial applications, and research in high voltage engineering.