Course Details

Subject {L-T-P / C} : EE4103 : High Voltage Engineering and HVDC Transmission { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Prof. Subrata Karmakar

Syllabus

Module-I: Introduction: Basic concept of High Voltage Engineering, Concept of design, planning and layout of H.V. laboratories. - (2 Hr.)
Module-II: Conduction and breakdown in Gaseous Dielectrics: Townsend's current growth equation, current growth in the presence of secondary processes, and streamer theory of breakdown in gases. Breakdown in non-uniform fields and corona. Conduction and Breakdown in Liquid dielectrics: Pure liquids and commercial liquids, conduction and breakdown in commercial liquids. Breakdown and pre-breakdown phenomena in solid Dielectrics: Intrinsic breakdown, electromechanical breakdown, thermal breakdown. - (7 Hr.)
Module-III: Generation of High voltages: Generation of high D.C. voltage, high A.C. voltage, impulse voltage, impulse current, tripping and control of impulse generators. - (4 Hr.)
Module-VI: Measurement of high voltages and current: Measurement of high D.C., A.C. and impulse. Measurement of D.C. resistivity, dielectric constant and loss factor, partial discharge and Condition monitoring. - (4 Hr.)
Module-V: H.V. Testing of Electrical Apparatus: Testing of insulators, bushings, isolators, circuit breakers, cables, transformers, and surge diverters. - (3 Hr.)
Module-VI: HVDC Transmission System: DC Power Transmission Technology: Introduction, Comparison of AC and DC Transmission, Application. Analysis of HVDC Converters: Choice of converter configuration, Graetz circuit, Converter bridge characteristics, Characteristics of a twelve pulse converters. (5 Hr.)
Module-VII: Converter and HVDC system Control: Principles of DC Link control, Converter control characteristics, System control hierarchy Firing angle control, current and extinction angle control, Starting and stopping of DC link, Power Control. (6 Hr.)
Module-VIII: Smoothing Reactor and DC Line: Smoothing reactors, DC Line, transient over voltages in DC Line, Protection of DC line, DC breakers, Monopolar operation, Effects of proximity of AC and DC Transmission lines. Reactive Power Control: Reactive power requirements in steady state, Sources of reactive power, Static var systems, Reactive power control during transients. (5 Hr.)
Module-IX: Harmonics and Filters: Generation of Harmonics, Design of AC Filters, DC Filters, Carrier frequency and RI noise. (2 Hr.)
Module-X: Multiterminal DC systems: Potential applications of MTDC systems, Types of MTDC systems, control and protection of MTDC systems, Control and protection of MTDC Systems study of MTDC systems. – (2 Hr.)

Course Objectives

Course Outcomes

After the completion of the course the students will be able to: <br />CO1. Understand the basic concepts and properties of Solid, Liquid and Gaseous insulation <br />CO2. Analyze and calculate the circuit parameters involved the High Voltage and Current generation and measurements and high voltage testing techniques. <br />CO3. Design, planning and layout of High Voltage Laboratories and Conceptualize the idea of high voltage and safety measures involved <br />CO4. Analyze problem related to HVAC and HVDC transmission system. <br />CO5. Assess the degree of adequacy level in HVDC transmission and the configuration for harmonic mitigation on both AC and DC sides. <br />CO6. Understand the operation of HVDC conversion technology and power control techniques.

Essential Reading

Supplementary Reading