Emerson Modernizing Four Units At India's Tanda Thermal Power Station With Ovation Expert Control System

Pittsburgh, PA - Emerson Process Management announced recently it has been selected by NTPC Ltd. to modernize obsolete controls at the Tanda Thermal Power Station, a 4x110 MW plant located in Uttar Pradesh, India. NTPC is the largest power utility in India and the sixth-largest thermal power generator in the world.

Emerson is installing its Ovation expert control system at all four units of the coal-fired power plant as part of a comprehensive renovation and maintenance project. A noteworthy challenge for the control system aspect of the project was the timeframe required for Unit 3 – the first unit slated for modernization.

Emerson received the contract for Unit 3 after the previous vendor was unable to meet the original schedule. The control system installation and unit commissioning needed to take place during a 90-day scheduled outage, which began the last week of March 2008. A mere three months after contract award, Emerson, which has a proven track record meeting aggressive deadlines, was able to complete the project during a specified 70-day window within the outage.

At all four Tanda units, the Ovation system will monitor and control the burner management system (BMS) and furnace safeguard supervisory system (FSSS). The Ovation system, designed to meet the specific challenges of the power generation industry, will also interface to existing BHEL boiler and turbine controls. In all, the Ovation system will manage 10,000 I/O points (2,500 points per unit). The contract also calls for Emerson to supply a total of 40 Ovation redundant controllers (10 per unit) and 36 workstations (nine per unit).

Emerson's local India Engineering Center is designing, engineering and supervising the project.

"We know that customers turn to Emerson not only for our industry-leading Ovation control technology, but also for top-notch project execution," said Bob Yeager, president of the Power & Water Solutions division of Emerson. "Our ability to meet NTPC's challenging deadline is rewarding, as it demonstrates how Emerson's dedicated employees will do whatever it takes to succeed at our number-one objective: ensuring customer satisfaction."

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