The condition monitoring comparison guide for cooling towers
The pumps, fans and other electric machines that drive cooling towers have much to endure. Constant exposure to water (and sometimes other chemicals), abrasives like sand and corrosives like salt, and bacteria-nurturing heat can damage the gears, shafts, seals, bearings, blades, and other moving parts that keep a cooling tower running. Sudden failure in any part on a hot summer day, when there’s no redundancy to spare, can mean total production shutdown.
Condition monitoring systems can help plants avoid this all-too-real nightmare scenario, by detecting upcoming equipment failure at an early stage.
This document will compare the most common condition monitoring techniques—infrared thermography, vibration analysis, acoustic emission analysis, oil analysis and motor current signal analysis—on their merits in cooling towers.
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