Rope - type torque measuring kit and finding the brake power using LabVIEW

Abstract

This article shows the development of a rope torque measurement kit using LapVIEW. The objectives of this research were to 1) design and build a rope-type torque measuring set, 2) find error of the torque measuring set and 3) show the brake power of the Pelton water turbine. The system will receive the input variables: kilogram-force from using a rope to pull the drum installed on the shaft of the water turbine and rotational speed. These variables will be calculated as torque, the brake power of the Pelton water turbine and display the values on the computer wich LabVIEW program. The following findings were obtained 1) the torque measurement set that was created can measure torque not more than 10 Nm with a maximum error of ±2.20 % and the rotational speed measurement has a maximum error of ± 1.01 %, 2) the torque measurement set can display the brake power of the Pelton water turbine very well.