GE Installs New Regulator Controls at a Pumped-Storage Hydroelectric Plant
Ameren Services Company Updates Taum Sauk Plant with EX2100e 120A Voltage Regulators.
LONGMONT, COLORADO- September 25, 2014- GE’s (NYSE: GE) Measurement & Control announced today that it completed an excitation control system upgrade for the Taum Sauk Plant, a 440-megawatt pumped-storage hydroelectric plant operated by Ameren Missouri. The upgrade replaced obsolete equipment and modernized the plant’s operations.
The Taum Sauk Plant uses 1.5 billion gallons of water stored in an upper reservoir to generate electricity. The plant is a critical asset to the power company because it both stores and produces energy for the eastern half of Missouri, and is a clean, renewable source of energy. It provides power during peak demands within their system, but operations declined with aging infrastructure. More than 20 years old and facing obsolescence, the existing equipment at the plant located in the St. Francois mountain region of the Missouri Ozarks, frequently required service and experienced multiple failures. Due to its remote location, an equipment failure could lead to the plant being offline for days at a time.
The plant operates two units running at 250 MVA each. To reduce service calls and improve operations, the Ameren team considered replacing the units with full static exciters. After evaluating their options, they selected GE EX2100e 120A Voltage Regulators with redundant configurations to replace the aging infrastructure.
“Upgrading to the GE solution has allowed the Taum Sauk Plant to operate with a custom product tailored to site-specific requirements,” said Terry Knight, General Manager Control Solutions in GE’s Measurement & Control. “In fact, this product implementation is unique because the shaft driven exciters are able to reverse rotation depending on whether the system is in pump or generator mode.”
The EX2100e implementation has increased the reliability of the plant, solved the plant’s hardware obsolescence and service issues, and ultimately reduced budget spent on downtime and servicing the system.
The installation was completed in three weeks based on an expedited outage timeline to accommodate the plant which was in peak season. The entire process, from contract to final installation, took approximately eight weeks.
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GE Measurement & Control is a leading innovator in advanced, sensor-based measurement; non-destructive testing and inspection; flow and process control; turbine, generator, and plant controls; and condition monitoring. Providing for the health of our customers most critical industrial assets, we deliver accuracy, productivity and safety to a wide range of industries, including oil & gas, power generation, aerospace, metals and transportation. Headquartered in Boston, USA, Measurement & Control has more than 40 facilities in 25 countries and is part of GE Oil & Gas. For further information, visit http://www.ge-mcs.com.
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