Many of the world's most efficient power plants are now Combined Cycle Gas Turbine Plants (CCGT) incorporating both gas and steam turbines. Gas and steam turbines present demanding motion control challenges. Motion control is the key to machine performance, safety and ultimately the ability to supply power to customers. Power plants run around the clock and any downtime can affect the comfort of the population-and potentially the country's economy, too. In some places, old power stations, especially coal-fired plants, are being shut down, so it is vital to keep those plants that are energy efficient operating at maximum output. Downtime of even one plant can put stress on the electricity network. If plants exceed or underper-form declared output, it can mean a fine from regulators. So, power plant operators look for ways to keep turbines running at peak performance.
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