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Centum control at Loy Yang

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A NEW integrated control and monitoring system (ICMS) at the Loy Yang A power station will be centred around Yokogawa's Centum CS3000 R3 distributed control system (DCS).

With four 550W generating units, Loy Yang is the largest thermal power station in Victoria and Yokogawa Australia's contract with station owners Loy Yang Power includes the replacement of four unit control systems, the common plant control system and the replacement of the coal handling plant control system (from the raw coal bunker to the power station bunkers including the auto bunkering system).

The total project will also include other Yokogawa products including a STARDOM network-based control system, a fully integrated ProSafe-RS safety instrumented system, a TechComm training simulator, an Exaquantum plant information management system plus software and engineering for these systems.

At the heart of Loy Yang's new ICMS will be Yokogawa's flagship Centum CS3000 R3 DCS, monitoring all production and process management data generated by a series of specialist instruments throughout the plant.

Designed to handle everything from small-scale facilities to the very largest of plants, the Centum DCS features sophisticated functions and components to meet all production site requirements and, using the latest technologies, allows for full interconnectivity of each production level.

Yokogawa Australia's managing director John Hewitt said the Loy Yang project will draw on the knowledge learnt on a similar job, now nearing completion at the Eraring (NSW) Power Station.

"Eraring shares similar characteristics with Loy Yang," he said. "Both are base load stations, operating 24-hours a day, seven days a week. In such critical environments we need to ensure our work schedule fits with our client's operating schedule. The success we've had with Eraring, and our other power station projects, will be a great asset on this latest contract."

He said that the Loy Yang project team will include the Yokogawa people who worked on the Eraring Power Station job - a move which will see the valuable expertise they have accumulated applied to maximum benefit at Loy Yang.

With contracts signed and exchanged, design and planning for the Loy Yang job is well advanced. Site works will kick off toward the end of 2006 with the training simulator and coal plant control system first to be commissioned.

"Loy Yang is another building block in Yokogawa's worldwide power industry knowledge base," said John Hewitt.

"With a number of successful installations in this country, Yokogawa Australia is at the forefront of projects of this type and we are looking forward to using our international resource base to maximise the benefit to Loy Yang."

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