Detailed explanation of motor speed measurement method_Wolong Nanyang Explosion-proof Motor, China Motor Manufacturer

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Detailed explanation of motor speed measurement method

source：未知 time：2024-10-11 11:14nbsp; click：

1. Motor speed measurement method

There are mainly the following methods for measuring motor speed:

1. Contact speed measurement method

The contact speed measurement method is to fix a rotating contact head on the rotating shaft of the motor, and realize the speed measurement through the contact between the contact head and the measuring instrument. This method has the advantages of high measurement accuracy and wide application range, but for high-speed rotating motors, the use of contact speed measurement method will be more dangerous.

2. Photoelectric speed measurement method

The photoelectric speed measurement method is to measure the motor speed through a photoelectric sensor. Its advantages are that it does not need to contact the motor, it is highly safe, and it has a fast and accurate measurement effect. However, since the photoelectric sensor needs to correspond to the rotating shaft of the motor, certain installation adjustments are required in actual applications.

3. Vibration speed measurement method

The vibration speed measurement method is to measure the speed through the vibration signal generated when the motor is running. Its advantages are that it does not require contact and non-contact measurement of the motor, and it has a wide range of applications. However, the measurement accuracy of this method is affected by factors such as the vibration amplitude and frequency of the motor.

2. Motor speed m speed measurement formula

The motor speed m speed measurement formula is a speed measurement method based on the motor output signal frequency. It has the advantages of simplicity, accuracy and reliability, so it is more common in practical applications. The formula is as follows:

n = 60×f/p

Where n is the motor speed, in r/min; f is the signal frequency of the motor output, in Hz; p is the number of motor pole pairs, in units.

It should be noted that the motor output signal frequency in this formula needs to be collected and processed by measuring instruments. Therefore, in actual measurement, it is necessary to select a suitable measuring instrument and calibrate it to ensure the accuracy of the measurement results.

3. Precautions for motor speed measurement method

When measuring motor speed, the following points should be noted:

1. Select a suitable measurement method and select it according to the actual situation.

2. When performing contact measurement, safety precautions should be paid attention to to avoid accidents caused by improper operation.

3. When performing photoelectric measurement, appropriate installation adjustments should be made to ensure measurement accuracy.

4. When performing vibration measurement, it is necessary to select a suitable sensor and pay attention to the factors affecting the measurement accuracy.

5. When measuring the motor speed m speed measurement formula, it is necessary to select a suitable measuring instrument and calibrate it to ensure the accuracy of the measurement results.

Motor speed measurement is a very important part of the engineering field. There are many measurement methods, which need to be selected according to the actual situation. The motor speed m speed measurement formula is a speed measurement method based on the frequency of the motor output signal. It has the advantages of simplicity, accuracy and reliability, but it is necessary to pay attention to the selection and calibration of the measuring instrument. When measuring the motor speed, it is necessary to pay attention to safety matters, select a suitable measurement method, and make appropriate installation adjustments to ensure measurement accuracy.

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