Experion Helps Thai Power Plant Maximise Capacity

Honeywell's Experion process knowledge system (PKS) will control operations at a new supercritical 660MW coal-fired power plant near Bangkok. The plant is currently under construction in Map ta Phut, Rayong and will be operated by Gheco-One, an independent power producer (IPP) affiliate of Glow Group, a Thailand-based group of companies that supply electricity and steam. The plant, scheduled to begin operation in 2011, will supply power to the state-owned Electricity Generating Authority of Thailand, which manages most of the country's power-transmission network.

The new facility is expected to increase production capacity in Thailand by 50 per cent. Supercritical plants reduce fuel consumption while maximising power generation. Supercritical boilers produce power more efficiently than standard boilers because they operate with start-up valves and waterwall pressure controls, as opposed to drum-level controls. As they operate at higher pressures and higher temperatures, however, a reliable control system is needed to protect against spurious boiler trips that can lead to safety incidents and equipment damage.

Experion is a control and automation platform for the process industries. It improves overall plant safety, reliability and efficiency by integrating with various subsystems such as process control, asset management and safety systems.

Through this integration, Experion provides the most relevant information to the right people at the right time and helps operators make better decisions in the control room. Gheco-One operators will use Experion to control the Map ta Phut facility boiler operations, as well as the balance of the plant. Experion can help reduce raw-material costs with optimised control capabilities, which meets Gheco-One's objective of producing energy with a minimal amount of fuel consumption.


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