High Voltage DC Transmission

This course introduces High Voltage DC (HVDC) Transmission in a clear and simple way, focusing on why and how HVDC is used in modern power systems. It begins with the evolution of power systems, explaining the limitations of AC transmission over long distances and how HVDC emerged as a solution. The course then compares AC and DC transmission, highlighting efficiency, controllability, and stability aspects. You will learn about the basic principles of HVDC, including power conversion and control. Different types of HVDC systems such as monopolar, bipolar, and back-to-back links are explained with practical relevance. The role of converter stations and their main components is discussed in detail. The course also covers HVDC transmission lines and cables, including overhead and underground options. Operational features like power flow control and system reliability are introduced. Real-world applications of HVDC in long-distance bulk power transfer and interconnection of grids are presented. By the end, learners gain a strong foundation to understand HVDC systems used in today’s power networks.

Source: nptelhrd [Youtube Channel]