ABB replaces HVDC link for American Electric Power
Switzerland, Zurich: ABB has successfully commissioned an HVDC link for American Electric Power (AEP), replacing the 30-year-old Oklaunion HVDC back-to-back converter station in Texas, USA.
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Switzerland, Zurich: ABB has successfully commissioned an HVDC link for American Electric Power (AEP), replacing the 30-year-old Oklaunion HVDC back-to-back converter station in Texas, USA.
The converter station is an integral part of the Oklaunion HVDC transmission link – an asynchronous interconnection between the Texas (ERCOT) and Oklahoma (SPP) power grids.
The project scope included engineering, supply, installation and commissioning of an HVDC back-to-back transmission system to deliver 220 MW of power in either direction. Key components supplied included converter transformers, converter valves, and ABB’s MACH advanced control and protection system.
“In addition to enhancing grid reliability and power stability, our HVDC solution enables efficient transmission of electricity across this important interconnection.” said Hanspeter Faessler, head of ABB’s Grid Systems business, a part of the Power Systems division. “ABB’s domain expertise and global experience enabled us to deliver this link in 22 months, and to minimise outage time for users, the converter station that was replaced remained in operation during the new construction.”
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