Upcoming Talk: Understanding HVDC: How Long-Distance Power Transmission Works – June 26

#energy #hvdc #hvdc-transmission #power-transmission #thyristors #voltage #grid
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The IEEE Power & Energy Society (PES) Providence Chapter invites you to our upcoming technical meeting. This session will explore High Voltage Direct Current (HVDC) technology—a powerful tool used to send electricity over long distances. Unlike the electricity we use in our homes (which is alternating current, or AC), HVDC is a special type of electricity transmission that is more efficient for moving large amounts of power across hundreds of miles. You'll learn how this technology works, why it's used, and how it plays a growing role in modernizing our electric grid.


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  • Date: 26 Jun 2025
  • Time: 10:00 PM UTC to 11:30 PM UTC
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  • Starts 04 June 2025 02:00 PM UTC
  • Ends 26 June 2025 10:00 PM UTC
  • No Admission Charge

  Speakers

Jameson LaRoche of National Grid

Topic:

Understanding HVDC: How Long-Distance Power Transmission Works

Today, the most widely implemented High Voltage Direct Current technology is the Line Commutated Converter (LCC). This technology dates back to the 1950s, and is based on a semiconductor device called the thyristor. This course explains the DC-AC and AC-DC conversion process of HVDC-LCC at a conceptual level, covering topics such as thyristors, 6-pulse rectification, 6-pulse inversion, 12-pulse rectification, 12-pulse inversion, natural commutation of thyristors, and how power flows through a HVDC transmission network.

Biography:

Jamison is a Lead HVDC Engineer at National Grid’s Sandy Pond HVDC converter terminal. He has been an IEEE member since 2015 and a PES member since 2016. After graduating from WPI in 2018, he began his career as a Substation Engineer for National Grid where he was the project lead for jobs such as 3V0, bay expansions, breaker replacements, and greenfield projects. Shortly after earning his MEng in Power Systems Engineering from his alma mater in 2022, he moved over to the world of HVDC, starting in compliance and engineering support before starting his role as the facility’s maintenance engineer in 2023.