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Hsintao Power Company LTD in Taiwan was operating an aging GE D11 steam turbine at its 600MW gas-fired combined cycle power plant in Guangxi Township, Hsinchu County, and needed a technology upgrade to keep the plant operating reliably.
Overview
Hsintao Power company was in the same situation as many combined cycle plants: Their steam turbine was experiencing critical component wear and tear due to age and increasing cyclic duty. As a result, plant output and efficiency were starting to decline, and unplanned emergent work was a clear possibility.
GE provided an ASP upgrade to help the Hsintao plant achieve better steam flow, improved O&M costs, and reduced life consumption—and ultimately help keep the plant online and profitable for years to come.
Outcomes
extension of ST-HIP internal
increase in steam turbine output
improvement in CC heat rate
We were very pleased with the implementation of GE’s ASP upgrade. From breaker open to full load return, the upgrade was performed in only 45 days. We have been able to achieve shorter startup times, resulting in less fuel consumption, improved performance, longer inspection intervals, low vibration characteristics, and reduced SPE damage to the steam turbine rotor and bucket and nozzle.
Masatoshi Inoue
President of HSINTAO Power Company
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