DEVELOPMENT OF AN DEVICE FOR SMALL POWER DIRECT CURRENT MOTORS TESTING WITH ELECTROMAGNETIC EXCITATION

Authors

DOI:

https://doi.org/10.20535/1813-5420.4.2019.200475

Keywords:

experimental stand, DC machine, parameters and characteristics, electromagnetic excitation

Abstract

In this paper are presenting the results of practical development, dedicated to the development of an
experimental device for the studying of the parameters and characteristics of low-power direct current motors.
According to the results, a principal scheme for the testing of these machines based on the microcontroller was
developed. Traditional methods for current and voltage measuring, rotation speed have been replaced by modern
high-sensitivity sensors. Storing of testing parameters and characteristic’s and its further post processing is
performed on a semi-automatic mode with the help of personal computer. Also, software has been developed to
implement the required test program: no load mode, short circuit mode, etc. This device can provide us to do
different types of direct current motor mods: we can test it as motor mode as generator mode. It significantly
increases its universality at small overall dimensions. The hardware of the experimental device is mobile, that is,
with the help of one it is possible to provide testing of different motors which are situated in different places. As
direct current regulators are use PWM which reduce the overall dimensions and increased the reliability of the
experimental device due to the rejection of massive rheostats. With the help of its device are investigated some
practical characteristics of small power direct current motor. These results are compare with theoretical results.

References

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Published

2020-03-05

Issue

Section

MONITORING, DIAGNOSTICS AND MANAGEMENT OF ENERGY PROCESSES AND EQUIPMENT