Computerized Measurement of Turbine Flow and Performance, Including Penstock Protectionby Robert F. Karlicek, Enkar Hydroelectric Power Systems, United States,
Document Type: Proceeding Paper
Part of: Waterpower '89
The application of computer technology now makes it possible to measure turbine flows accurately, reliably and economically. The measurement is based on the differential pressure produced by the flow velocity at specific points such as at Winter-Kennedy taps in the turbine. A transducer converts the differential pressure to a suitable electrical signal which is continuously sampled and processed by a computer controlled data acquisition unit. The complete system is calibrated in situ to provide accurate and stable readings. The flowmeter can be easily expanded to provide other important functions, such as penstock protection.
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