Flowing Waters - Power Plants

Flow Measurement in Turbine Intake

Flow Measurement in Turbine Intake
Measurement Point at bridge
Flow Measurement in Turbine Intake


  • Rectangular channel 7.8 x 2.0 m (w x h)
  • Partially filled
  • Concrete walls due to bridge
  • Natural bed

Definition of tasks

  • Continuous detection of turbine intake volumes to ensure the minimum water flow of the river and to prevent the turbines from underload operation without shutdown
  • Easy installation of measurement system
Flow Measurement in Turbine Intake
Installation of rod sensors
Flow Measurement in Turbine Intake


  • A transit time measurement Type NivuFlow 650 has been used due to water quality and low suspended solids content.
  • A measurement point underneath a bridge has been selected in order to obtain the best possible profile shape.
  • The natural bed is tending to crossflow effects. Two measurement paths have been installed crosswise to compensate these effects.


  • Easy and robust installation
  • High accuracy
  • Reproducibility of readings
  • Reliability under all process conditions

Used products

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