Emerson to automate combined cycle power plant in Thailand | Automation.com

Emerson to automate combined cycle power plant in Thailand

PlantWeb digital plant architecture with Ovation expert control system and Foundation fieldbus technology to reduce installation and startup costs, translate into ongoing O&M savings

PITTSBURGH (November 15, 2006) - Emerson Process Management announced today it has won a contract to install its PlantWeb digital plant architecture with the Ovation expert control system and Foundation fieldbus technology at the new Ratchaburi power plant in Thailand. When completed, the two-unit, combined-cycle plant will have a production capacity of 1,400 MW. The first 700-MW unit is scheduled to begin commercial operation in March 2008, with Unit 2 to follow in June 2008.

The plant is owned by Ratchaburi Power Company Limited, a subsidiary of Ratchaburi Electricity Generating Holding Public Company Limited. Electricity generated by the plant will be sold to the Electricity Generating Authority of Thailand under a 25-year Power Purchase Agreement.

Mitsubishi Heavy Industries (MHI), the engineering, procurement and construction contractor, selected Emerson's PlantWeb architecture with the Ovation system to monitor and control the heat recovery steam generators as well as balance of plant processes. The Ovation system will also interface via TCP/IP to the MHI governor system, which controls the gas and steam turbines.

Emerson's complete control and asset management solution for the Ratchaburi power plant includes a total of 13 redundant controllers, eight Ovation workstations, AMS Suite: Intelligent Device Manager and 40 Rosemount 848T intelligent temperature devices. For new plant construction, AMS Device Manager streamlines device configuration and commissioning, thereby contributing to more efficient plant startup.

AMS Device Manager also provides online access to instrument and valve diagnostics and automatic documentation of all field device maintenance information - all contributing to ongoing efficiency of plant operations and maintenance activities. The scope of the project also calls for Emerson's Power & Water Solutions industry center to provide system engineering and commissioning services.

Unlike proprietary control systems that are quickly outdated, the PlantWeb architecture is based on an open systems approach that keeps pace with new technologies, enabling customers to preserve the capital investment in their control system. "Emerson's approach - one that leverages commercially available hardware platforms, operating systems and network technologies - gave us the confidence that obsolescence wouldn't be an issue in the future," said Haruhiko Kawaguchi, general manager, MHI.

The PlantWeb architecture also makes it possible to lower startup and commissioning costs by reducing wiring costs and streamlining device installation, communications verification and troubleshooting. These cost and efficiency improvements were other important factors in the decision to award the project to Emerson.

"Early adoption of PlantWeb technologies is a win-win situation for power generators and EPCs, as PlantWeb has been proven substantially reduce construction costs up front," explained Bob Yeager, president of Emerson's Power & Water Solutions division. "But the savings don't stop there: Power generators, like Ratchaburi, that rely on the technologies of PlantWeb can expect to experience long-term O&M cost savings due to the efficiencies of operating a highly automated, intelligent plant."

About Emerson Process Management
Emerson Process Management, an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the power, water and wastewater treatment, chemical, oil and gas, refining, pulp and paper, food and beverage, pharmaceutical, and other industries.

Emerson's Power & Water Solutions division is a global supplier of advanced distributed process control and information systems. The Pittsburgh-based company is a recognized leader in developing plant-wide process control solutions for the power generation, water treatment and wastewater treatment industries. Power & Water Solutions plays a key role in the Emerson mission of combining superior products and technology with industry-specific engineering, consulting, project management and maintenance services.

Emerson brands include: PlantWeb; Ovation; SmartProcess; Fisher; MicroMotion; Rosemount; Mobrey; Daniel, Bristol, DeltaV; and AMS Suite.

About Emerson
Emerson (NYSE: EMR), based in St. Louis, is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses. Sales in fiscal 2006 were $20.1 billion.
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