Turbine Efficiency Measurement by Thermodynamic Test Method

Abstract

According to the requirement of IEC60041, the paper introduces various turbine efficiency measurement methods, and analyzes their feature and difficulties, then gives a detailed introduction for the principle and requirement of thermodynamic test method. With an example of turbine efficiency test implemented in Costa Rica, the paper gives a complete test procedure and data calculation for thermodynamic method. Finally, a comparison and verification among thermodynamic method, ultrasonic method and Winter-Kennedy method has been made, the result shows that it has great advantage and effectivity for thermodynamic method when using in flow measurement of high water head turbine.