DC DYNAMOMETER FOR MOTOR TESTING:

Introduction:

• These Dynamometers are suitable for testing of Rotating machines AC or DC, basically these are also used as indirect method of loading of any machine.
• The construction features are basically a DC Shunt Generator constructed in such a way that it is able to indicate the torque produced at the rated rpm & current for the machine coupled to it.
• The prime mover becomes the motor under test & the dynamometer works as generator & its gets loaded by dissipating voltage generated in resistive load bank.
• This Model is the Industrial/Educational model suitable for demonstrating to students the complete know of the Basics, Components, Mechanicals, Loading me thods, Torque evaluation, Loading scheme, Wear & Tear & Maintenance of these motors packaged in small rating.
• Students can make connections of their own with the help of the terminations provided for study of features viz Coupling the motor to be tested, Starting methods, Speed-Torque, Excitation control of Dynamometer, Power dissipation of Generator, Torque measurement.

Technical Specifications:

• Power ratings available     : 1KW / 2KW/ 5KW/ 10KW
• Voltage Input                   : 230V DC
• RPM                                 : 1440 / 2880 RPM,
• Single / Double shaft extension, SPDP, IP23, IC01, B3, Class-B, S1, Solid yoke.

LIST OF EXPERIMENTS POSSIBLE

• Load testing of AC Motor
• Load testing of DC Motor
• Torque calculation at various rpm
• Speed-Torque Analysis
• Voltage-Speed Analysis
• Speed reversal
• Efficiency Analysis
• Blocked rotor test
• Cold Resistance & Hot Resistance
• Motor Operation parameters
• Basic Overhauling Know how.