Miniature Motor

Testing Systems for Miniature Motors (Electric Micro Drives)

Automatically measures and records: Torque, Speed, Power Input, Power Output, Efficiency, and Temperature rise and related data during motor operation under predefined rated point.

The determination of performance characteristics of electric drives in fox gloves size with a rated power in the magnitude of 0.5 to 1 W is hard to achieve with conventional methods. When testing such motors, no external forces should act on the test object. With the acceleration dynamometer of Motomea, this is possible. There is a wide range of applications for such miniature motors.

Motomea gives you the ultimate solution as is demonstrated by testing a micro motor of 0.65 W.

The procedure for testing electric drives permits to assess complete static and dynamic characteristics in seconds. The test system for electric drives offers manufacturers and/or users everything they want to know about the properties of their motors, apart from endurance testing at a determined load point. With this method, a motor is freely accelerated from stall to no load speed. The load is only its own rotor inertia. To determine the moment of inertia, there is a very simple procedure.

Comprehensive Test Possibilities

Current, voltage, and speed over time are measured in microsecond intervals. Normally, the speed is measured
over time during the acceleration and deceleration phases, by a sensor of high resolution coupled to the motor shaft. The time for testing corresponds to the time needed for accelerating and decelerating the motor; this means a few seconds for smaller motors and fractions of a second for micro motors.

A speciality of the Motomea method is the capability to simultaneously take a multitude of synchronized readings in μs intervals, and evaluate those to the specific characteristic with the aid of modern Windows-based software. Also, in seconds speed, a motor specific test report is printed in form of graphs and tables, containing apart from the general data also company and motor designations. The data shown in Table 1 are freely selectable.

Evaluation of the Test Results

The following charts Figs. 2 – 5 show executed measurements of static and dynamic characteristics on a 12 VDC motor with a rated power output of 0.65 W

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Miniature Motor

Testing Systems for Miniature Motors (Electric Micro Drives)

Motomea gives you the ultimate solution as is demonstrated by testing a micro motor of 0.65 W.

Comprehensive Test Possibilities

Evaluation of the Test Results

MOTOMEA invites you to contact us!

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