Hydro Generation · Modelling And Control
Hydro Power Station Penstock Flow Estimator
A flow estimator model built for a North Queensland hydro power station, used for high penstock flow detection and station protection. Across normal station operation the estimator held an average error of less than three per cent — accurate enough to protect the asset without nuisance trips.
What We Did
- Development of the functional and detailed specifications
- Extraction of historical penstock flow and unit operation data from the site SCADA
- Linear regression fit of the plant data in R, adjusted for the station’s different operating states
- Estimator programmed into the station control system (Allen-Bradley ControlLogix), with operator graphics developed in Ignition SCADA
- Customer-witnessed factory acceptance testing against a simulator
- Commissioning and tuning
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