07
2023
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02
How to spend less money to buy efficient motor?
Author:
Summary
When equipment manufacturers purchase non-customized motors, that is, when selecting motors, there may be a misunderstanding that "the bigger the better".
When equipment manufacturers purchase non-custom motors, they are in.Motor selectionAt the same time, there may be a misunderstanding that "the bigger the better if you buy it, of course". In fact, the more expensive the motor is, the better. Xiaobian summed up the following situations when you do not choose a motor that is really suitable for your own equipment.
First of all, in terms of cost, larger motors mean more steel, more copper and higher costs. Choosing a smaller motor for a given application is a simple way to reduce costs.
The second is efficiency. Although this problem is not as obvious as other problems, it is equally important. Most motor types are designed to operate at specific speeds and torque points. With a good motor design, the motor will operate at maximum efficiency at its design load point. If the motor runs at a lower torque point, it will actually reduce the operating efficiency. Therefore, for an oversized motor, the input power of the motor (essentially the amount of current consumed by the motor) may be higher than the power required by a properly sized motor. Depending on your power type, this can lead to higher electricity bills or faster battery consumption.
Finally, in terms of performance, a larger motor may not even be suitable for this application. For example, ifsingle-phase asynchronous motorRunning under too low a load, it may overheat, causing premature insulation failure of the motor.
In general, motor selection really can't be lazy, because there are few "one size fits all" motors.
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