Monitor operation of debris screen rakes

Monitor operation of debris screen rakes

Report end-of-travel position of debris screen rakes

The solution

Accumulated debris at the infeed screen of hydroelectric power plants resulted in reduced pressure head and flow volume, reducing plant efficiency. Automatic debris rakes are operated periodically to clean flotsam from the inlet screens. Balluff's pressure-rated inductive proximity sensors detect and report the end-of-stroke positions of the screen actuating cylinder.

The features

  • Pressure rated to 500 bar
  • Installed directly into the pressurized areas of hydraulic cylinders to monitor piston position
  • Stainless steel housings resist corrosion
  • Analog version for soft stop upon reaching end-of-stroke
Energy, hydroelectric power, monitoring rakes
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> Balluff in the Energy Industry [PDF]
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