VARIABLE SPEED DRIVES PROVIDE COOL SAVINGS CUSTOMER PROFILE The installation of variable speed drives for fan control in a cooling tower at Teesside Power Station is reducing downtime, as well as giving the potential for improving overall generating efficiency. KEY BENEFITS • IMPROVED COOLING TOWER PERFORMANCE • INCREASED POWER STATION EFFICIENCY • REDUCED MAINTENANCE • VERY QUIET & VERY LOW HEAT OUTPUT THE CHALLENGE Px limited, the power station’s operating company, needed to replace six two-speed motors for one quadrant of the Q501 cooling tower. The company hoped to overcome the maintenance problems it was experiencing due to shock loads on the blades, bearings and gearboxes, a result of the aggressive environment causing high corrosion. Px limited wanted to re-us

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