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2010 Press Releases-05

Tokyo, Japan – April 5, 2010

Yokogawa Turbomachinery Control System for Large-scale Power Station in Australia Becomes Fully Operational

Eraring Power Station

Eraring Power Station

Eraring turbo-generator after upgrade to 720 MW

Eraring turbo-generator after upgrade
to 720 MW

Yokogawa Electric Corporation announces that a turbomachinery control system installed by its Yokogawa Australia Pty. Ltd. subsidiary at the Eraring Power Station became fully operational in December 2009.

Located 120 km north of Sydney, New South Wales, Eraring Power Station is one of Australia’s largest. It is owned and operated by Eraring Energy, one of the country’s leading electric power generation companies. The installed turbomachinery control system is for the station’s No. 4 turbine. Work will now commence on upgrading the control systems for the station’s three remaining turbines.

The installation of the new turbomachinery control system followed an expansion of the steam turbine’s capacity from 660 to 720 MW. The existing mechanical hydraulic control system was replaced with Yokogawa’s CENTUM® VP integrated production control system. For the turbine protection system, a Yokogawa ProSafe®-RS system was introduced that safely initiates an emergency shutdown upon detection of abnormal conditions.

Yokogawa’s products are already used to control the boilers and auxiliary facilities at Eraring Power Station. With this upgrade of the turbomachinery control system, all of the power station’s principal facilities are now controlled by Yokogawa control systems. The integration of operations, maintenance, and parts supply at this station has significantly enhanced the efficiency of its operations.

Since the February 2008 release of the CENTUM VP integrated production control system with advanced functionality for turbomachinery control applications, Yokogawa’s turbomachinery control business has grown steadily. Encouraged by this success, Yokogawa will focus on proposing plant-wide control solutions for power station turbines, boilers, and auxiliary facilities.

About Yokogawa

Yokogawa's global network of 19 manufacturing facilities and 85 companies spans 40 countries. Since its founding in 1915, the US$4 billion company has been engaged in cutting-edge research and innovation, securing more than 8,000 patents and registrations, including the world's first digital sensors for flow and pressure measurement. Industrial automation and control, test and measurement, information systems and industry support are the core businesses of Yokogawa. For more information about Yokogawa, please visit our web site at

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