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1. Load test on dc shunt motor to draw speed – torque and horse power – efficiency characteristics. 2. Field Test on dc series machines. 3. Speed control of dc shunt motor by armature and field control. 4. Swinburne's Test on dc motor. 5. Retardation test on dc shunt motor. 6. Regenerative test on dc shunt machines. 7.
To examine the behavior of DC Shunt and Compound Motors under load. PROCEDURE: 1. A DC generator is used to provide a dynamic, variable load on the shaft of the DC motor in the dynamometer cradle. Connect the DC-generator as shown in figure 1. 2. Connect the DC-Shunt motor as shown in figure 2.
THE DC SHUNT MOTOR OBJECT. To study the torque vs. speed characteristics of a shunt wound dc motor. To calculate the efficiency of the shunt wound dc motor. DISCUSSION. The speed of any dc motor depends mainly upon its armature voltage and the strength of the magnetic field.
OBJECTIVES:The student has to learn about: No load and load characteristics of DC generators. Various tests on DC motors. The speed control techniques of DC motors. The following experiments are required to be conducted as compulsory experiments: Magnetization characteristics of DC shunt generator.
A dc shunt motor rotates due to the torque developed in the armature when the armature and field terminals are connected to the dc supply. The direction of rotation can be explained with
magnetization characteristics of dc shunt generator AIM: To obtain magnetization characteristics of a DC shunt generator & to find its critical field resistance at constant rated speed and critical speed
This document describes a laboratory experiment on a DC shunt motor. The objectives are to study the torque vs speed characteristics and calculate efficiency. The procedure involves connecting a DC motor, power supply and dynamometer.
