It is also affected by the temperature of the motor, with higher temperatures resulting in increased resistance due to the increased vibration and collision rate of the metal ions.įurther reading: How Brushless Motors Work & How to Test Them 2. Winding resistance is a function of the length, cross-sectional area (gauge), and resistivity of the wire used in the coils, as well as the number of turns in the coil. Additionally, this heat can cause the motor to overheat and eventually fail, which is why it is essential to ensure that the winding resistance is within a safe range. The resistance in the wire causes some of the electrical energy to be converted into heat, which is associated with a lower motor efficiency. It is a measure of how much the wire coils impede the flow of electric current through them. Motor winding resistance is a fundamental property of the wire coils that make up the stator and rotor of an electric motor. How to use motor winding resistance in your project. Motor winding resistance test - with an ohmmeter.Winding resistance and motor performance.In this article we will explain what this value represents and how you can use it to benefit your project. It may not be the first thing you look for, but it can be useful. ‘Winding Resistance’ is a figure you’ve probably seen in an electric motor datasheet.
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