AKTU HVDC & AC Transmission (BEE072) Syllabus PDF – B.Tech 4th Year
HVDC & AC Transmission BEE072
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- Semester 7
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Syllabus — HVDC & AC Transmission
Download PDFBEE072 · 3 credits · L-T-P 3-0-0
Pre-requisites of the course: Power System-I & II
Course Outcomes
| CO1 | Describe the comparison of EHVAC and HVDC transmission while understanding various issues related to transmission. | K2 |
| CO2 | Calculate and study the corona loss and its impacts. Cite examples of the causes of switching overvoltage, Ferro-resonance. | K3 |
| CO3 | Explain the generation and measurement circuits for impulse, high DC & AC voltages. While considering the design parameters evaluate the effect on the performance of the EHV lines. | K2 |
| CO4 | Classify the DC links and choice of converter configuration to investigate the impact of inductance on operation of converters and identify different control schemes as well as starting and stopping methods of DC links. | K4 |
| CO5 | Describe the converter faults, protections, including MTDC types and applications. | K2 |
UNIT-I: EHV transmission, standard transmission voltage, comparison of EHV AC & DC transmission systems
and their applications & limitations, surface voltage gradients in conductor, distribution of voltage gradients on sub-conductors, mechanical considerations of transmission lines, modern trends in EHV AC and DC transmission, UHVAC transmission system.
UNIT-II: EHV AC Transmission: Corona loss formulas, corona current, audible noise – generation and
characteristics corona pulses their generation and properties, radio interference (RI) effects, over voltage due to switching, ferro-resonance, reduction of switching surges on EHV system, principle of half wave transmission.
UNIT-III: Extra High Voltage Testing: Characteristics and generation of impulse voltage, generation of high AC
and DC voltages, measurement of high voltage by sphere gaps and potential dividers.
Consideration for Design of EHV Lines: Design factors under steady state limits, EHV line insulation design based upon transient over voltages. Effects of pollution on performance of EHV lines.
UNIT-IV:EHV DC Transmission – I: Types of dc links, converter station, choice of converter configuration and
pulse number, effect of source inductance on operation of converters, working principle and characteristics of a 6 pulse converter with two & three valve conduction mode, three valve conduction mode and three and four valve conduction mode, Principle of DC link control, converter controls characteristics, firing angle control, current and excitation angle control, power control, starting and stopping of DC link.
UNIT-V:EHV DC Transmission – II: Converter faults, protection against over currents and over voltages,
smoothing reactors, generation of harmonics, AC and DC filters, Multi Terminal DC systems (MTDC): Types, control, protection and applications.
Text Books
- R. D. Begamudre, “Extra High Voltage AC Transmission Engineering” Wiley Eastern.
- K. R. Padiyar, “HVDC Power Transmission Systems: Technology and System Reactions” New AgeInternational.
- J. Arrillaga, “High Voltage Direct Current Transmission” IFFE Power Engineering Series 6, Peter Peregrinus Ltd, London.
- M. S. Naidu & V. Kamaraju, “High Voltage Engineering” Tata Mc Graw Hill.
Reference Books
- M. H. Rashid,“Power Electronics: Circuits, Devices and Applications” Prentice Hall of India.
- S. Rao, “EHV AC and HVDC Transmission Engineering and Practice” Khanna Publisher.
- “EPRI, Transmission Line Reference Book, 345 KV and above” Electric Power Research Institute. PaloAlto, California, 1982.
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