June 14, 2009
June 14, 2009
June 17, 2009
Energy Conversion and Conservation
14.805.1 - 14.805.19
T Introducing High Voltage Direct Current Transmission into an Undergraduate Power Systems Course Kala Meah,, and Wayne Blanding Electrical and Computer Engineering York College of Pennsylvania, York, PA, USA
High voltage direct current (HVDC) transmission systems have shown steady growth in capacity addition for the past three to four decades. More than 100,000 MW of HVDC transmission capacity is installed around the globe in more than 100 projects and over 25,000 MW of additional HVDC transmission capacity is under construction. The HVDC system is suitable for interconnecting two asynchronous power systems, as well as for undersea and underground electric transmission systems. For bulk power transmission over long distances, HVDC systems are less expensive and suffer lower losses compared to high voltage alternating current (HVAC) transmission systems. Multi-terminal HVDC systems may provide a better alternative for underground transmission systems in urban areas and large cities. As a power systems engineer it is important to have a basic understanding of HVDC transmission system operation, control features, advantages and disadvantages compared to HVAC transmission systems. This paper discusses the HVDC transmission system can be introduced into a power systems course. Introduction to the HVDC transmission system is designed for the last three class sessions of an undergraduate power systems class. By the end of the semester, students have the necessary background on power systems to understand the basics of HVDC system operation.
Class one: Introduction to HVDC transmission systems, Advantages and disadvantages of HVDC transmission systems, Assignment: comparative economic evaluation of the HVDC and HVAC systems. Class two: Detailed study of a two-terminal HVDC transmission system, Control features and modeling with software such as Matlab/Simulink. Class Three: Simulation study, Assignment: simulate a three-terminal HVDC system.
Alternating current (AC) is the most convenient form of electricity for industry/residential use and in electric distribution systems. Direct current (DC) has some distinct advantages over AC for high power long distance electric transmission systems, underground and undersea electric transmission systems, and for interconnecting two asynchronous power systems1,2. Flexible AC transmission system (FACTS) is an emerging technology in electric transmission which enhances controllability and increases the power transfer capability of the network3,4. Typically a FACTS is an electric power system controlled by power electronics. HVDC technology was first
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Meah, K., & Blanding, W. (2009, June), Introducing High Voltage Direct Current Transmission Into An Undergraduate Power Systems Course Paper presented at 2009 Annual Conference & Exposition, Austin, Texas. https://peer.asee.org/4668
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