High Voltage Technology (ET-324)

INTRODUCTION:

This course is intended to provide a basic introduction to the theory of High voltage circuits linked with operation and characteristics of the liquid, gaseous and solid materials. The students should be introduced to high voltage generation, measurement, transient and insulation breakdown.

OBJECTIVES:

1- To understand the principles of theory of high voltage generation and measurements.

2- To understand the operation of high voltage power supplies for ac, dc, and impulse voltages

3- To get familiar with various applications where high voltage field is used.

LEARNING OUTCOMES:

Sr. No	COURSE LEARNING OUTCOMES
1	RECOGNIZE various types of insulating materials and their applications in high-voltage equipment.
2	Explain the breakdown mechanisms in solid, liquid and gaseous dielectrics.
3	Ability to identify the performance of high-voltage generation and measurement devices.

TEXT BOOK:

High Voltage Engineering by Y. Kuffel, J. Kuffel and W. S. Zaingi 2nd ed.

Reference Books:

High Voltage Engineering by M.S. Naidu, V. Kamaraju, 4th ed
High Voltage Engineering by Muhammad Naeem Arbab 1st ed
High Voltage Engineering by J. R. Lucas 1st ed.

Evaluation Criteria
Component of Assessment	Method	Marks
During The Semester	Quiz 1 Quiz 2 Assignment 1 Assignment 2	5 5 5 5
Through Examination	Mid Term Exam End Term Exam	30 50
Total		100

DETAILED LESSON PLAN:

Detailed Lecture plan
Lecture	Course contents to be covered
1	Introduction: Importance of high voltage on all fields of daily life and medical application.
2	Breakdown Mechanisms: Dielectric Strength of solids, liquid and gases Breakdown of solids liquids and gases (Townsend and streamer Breakdown).
3	Breakdown Mechanism: Breakdown of unstable states of matter, Role of high voltage in production of unstable states of matter.
4	Generation of high Voltages: Transformers, Series and cascaded connections, Bracketing in Transformers and its purpose.
5	High Voltage Generation: Series and Parallel Resonant Transformer, Tesla Coil, Transformer with Rectifier, Voltage Multiplier, Deltatron Multiplier.
6	Generation of High Voltages: Electrostatic Voltage Generators (Van de Graff Generator, SAMe’s Generator, Kelvin Water dropper, Whimshurst Machine)
7	Significance and Method of Generation of Impulse: Introduction of Impulse, Standard Impulse used for testing Construction and working of MARX and Good-Let Generators for impulses, Impulse Current Generators.
8	Measurement of High Voltages: Direct and Indirect Measurement of high Voltages and its significance in a particular situation. Direct Measurement: HV probe, Potential Transformer, Ammeter in series with high resistance Voltage divider.
9	Mid-term Examination
10	Indirect Measurement: Spark gaps, Electrostatic Voltmeter, Electrostatic Voltmeter, Electrodynamic Voltmeter, Hall Effect Sensor, Electro Optical Measurement
11	Grounding and Earthing in Low and High Voltage Systems: Basics and importance of grounding in low as well as High Voltage Devices and systems, Touch and step potential in HV lab.
12	Leakage Current in Insulation: Introduction to leakage current, its types and components, Method of measuring and minimizing leakage current.
13	Insulation Materials: Different types of polymeric and Ceramic. High Voltage Testing Techniques: Destructive, non-destructive, routine, fatigue, quantitative, qualitative, physical and chemical tests on different insulation materials, Health analysis of insulation system
14	HVDC: Scope trends technologies and future of HVDC, Advantages and issues in HVDC systems. HVDC distribution Systems and its applications.
15	HVDC distribution Systems and its applications.
16	Final Term Examination