Emerson Process Management said it received a contract from Huaneng Group to apply its Plantweb digital plant architecture at Haimen, a new ultra-supercritical coal-fired power plant being built in China's Guangdong province. The new plant will employ digital bus technologies.
When completed, the six-unit plant (6 X 1,036 MW) will have a total generating capacity of more than 6,000 MW. The plant is being built in two phases (four units for the first phase, two units for the second phase). Under the contract, Emerson will install its Ovation expert control system for units 1 and 2, which are expected to go into service December 2008 and March 2009, respectively. Emerson has also entered into a purchase agreement with Huaneng Group to automate units 3 and 4.
The digital automation project for Haiman consists of Emerson's PlantWeb digital plant architecture with the Ovation control system and AMS Suite predictive maintenance software, as well as intelligent field devices, including Rosemount 848T temperature transmitters and Rosemount 3051 pressure/level transmitters.
For units 1 and 2 the Ovation system will monitor and control the boiler, sequence control system, electric control system, modulating control system, furnace safeguard supervisory system, flue gas desulphurization (FGD) system and balance-of-plant processes. The Ovation system will also provide feedwater pump electro-hydraulic control and interface to the Dongfang turbine controls as well as to PLCs controlling soot blowing, dust removing, ash and slag handling and plasma ignition.
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