Emerson to replace controls at Koreas Boryeong Power Plant
Previously, the two 500-MW units each utilized multiple control systems analog Toshiba turbine controls and a Bailey 820 analog system that controlled each units Babcock & Wilcox boiler and balance of plant processes. Installation of Emersons Ovation expert control system will offer an integrated control solution for the nearly 25-year-old units. The Ovation system, a key technology that powers PlantWeb architecture, will monitor and control all major equipment, including the boiler, turbine and boiler feedwater pump turbine, as well as the burner management system and balance of plant processes.
This project, in which separate islands of automation are replaced with a tightly integrated control system, is a model for how to modernize controls of an existing power generating facility, said Bob Yeager, president of the Power & Water Solutions division of Emerson. By adopting an integrated control strategy based on our PlantWeb architecture and Ovation technology, we expect Boryeong units 1 and 2 to achieve greater operational efficiency and enhanced plant performance all of which will help KOMIPO best serve the burgeoning electricity needs of this region.
Installing the integrated Ovation solution will unify boiler and turbine operations, thereby translating into a number of significant operational benefits. For example, fully coordinated boiler and turbine control not only enhances unit-wide compatibility, but also contributes to improved unit stability, responsiveness and thermal efficiencies; tighter overall control of plant operations; and a more streamlined view of key plant and turbine parameters. In all, Emersons Ovation system will manage 12,000 I/O points at each unit. For additional efficiency, operators will be able to monitor and control operations of units 1 and 2 from a central control room.
Other components of Emersons automation solution include AMS Suite: Intelligent Device Manager and intelligent field devices, including Fisher I/P positioners (57 per unit) and displacement level transmitters (24 per unit), as well as Rosemount temperature transmitters (556 per unit), differential pressure transmitters ( 11 per unit), differential level transmitters (18 per unit) and pressure transmitters (five per unit).
Emersons Power & Water Solutions industry center will engineer, install and supervise the project. Both retrofitted units are expected to be operational in 2009.
Emerson has demonstrated their knowledge of large control system retrofit projects in general, as well as an understanding of our objectives for this modernization project, in particular, said JungHyun Park, plant management team manager, Power Generation Department, KOMIPO. Their ability to provide a comprehensive, integrated automation solution that takes advantage of the latest technologies was exactly what we were looking for in an automation supplier for this project.
The Boryeong power plant, located in middle of South Korea, consists of six operational units with two additional units (units 7 and 8) slated to connect to the grid in 2009. When completed, the facility will produce 4,000 MW of electricity to serve the region.
Under a separate contract, Emerson is migrating its previous-generation WDPF control system to the Ovation system for balance-of-plant processes at Boryeong units 4 and 6. The Unit 4 project is complete, while the migration for Unit 6 is currently underway.
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, life sciences, and other industries.
Emerson's Power & Water Solutions division (www.emersonprocess-powerwater.com) 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; Micro Motion; Rosemount; Mobrey; Daniel, Bristol, DeltaV; and AMS Suite.
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 2007 were $22.6 billion.
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