Advantages and disadvantages of permanent magnet inverter air compressor

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Recent years, the application of air compressors has become more and more extensive. Next, the editor will show you about permanent magnet inverter air compressor.

Advantages of Permanent Magnet Inverter Air Compressor

1. The air pressure is stable

Because the variable frequency screw air compressor utilizes the stepless speed regulation characteristics of the frequency converter, it can start smoothly through the controller or the PID regulator inside the frequency converter. For occasions where the gas consumption fluctuates greatly, it can quickly adjust the response.

2. Variable flow control

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The power frequency-driven air compressor can only work in one displacement, and the variable frequency air compressor can work in a relatively wide range of displacement. The frequency converter adjusts the motor speed in real time according to the actual gas consumption to control the exhaust gas volume. When the gas consumption is low, the air compressor can be automatically put to sleep, which greatly reduces the loss of energy.

3. Start without impact

Since the inverter itself contains the function of a soft starter, the starting current is within 1.2 times of the rated current, and the starting impact is small compared with the power frequency starting that is generally more than 6 times the rated current. This impact is not only on the power grid, but also on the entire mechanical system, which is greatly reduced.

4. Low noise

service life. If the fan is also driven by variable frequency, the noise of the air compressor can be significantly reduced.

5. The voltage adaptability of the AC power supply is better

Due to the over-modulation technology adopted by the inverter, it can still output enough torque to drive the motor to work when the AC power supply voltage is slightly lower. When the voltage is slightly higher, the voltage output to the motor will not be too high. For the occasion of self-generating, the variable frequency drive can better show its advantages.

Disadvantages of Permanent Magnet Inverter Air Compressor

Due to the influence of its own composition principle, the inverter air compressor also bears certain risks in the process of use. One of the risks is demagnetization due to high temperature. We all know that the element in the permanent magnet motor is the magnetic steel, and the magnetic steel is afraid of high temperature. Permanent magnet inverter air compressor will gradually demagnetize under long-term high temperature conditions. The higher the temperature, the greater the risk of demagnetization.

There are many cases in which permanent magnet air compressors are used in various industries due to the demagnetization of magnetic steel. There are many cases of permanent magnet air compressor function failure. Once the permanent magnet air compressor is demagnetized, the speed is amazing, and the current of the motor will continue to increase after partial demagnetization. The increase in power consumption will increase the cost of electricity for users, and in serious cases, the finished products of the product line may be scrapped.

Permanent Magnet Inverter Air Compressor Supplier &#; Youteng

Wuxi Youteng Machinery Co., Ltd. has a number of experienced technicians who carry out maintenance work on various air compressors, dryers and filters, and have a certain influence in China. At the same time, the company also participates in motor overhaul projects and maintains various motors. We have a complete service system and sufficient spare parts to relieve customers&#; worries. If you want to buy permanent magnet inverter air compressor or other air compressors wholesale, please contact us.

DENAIR permanent-magnet variable-frequency air compressor main component with high-efficiency permanent magnet motor + frequency converter + DENAIR made air end.

The screw main unit and the high efficiency permanent magnet motor share with one shaft, rotors with permanent magnets are mounted directly on the male rotor's convex shaft, delivering efficiency is 100%, which other traditional motors can not achieve.

Traditional air compressors adjust the air flow by changing the air intake valve.

Compare to traditional flow regulation method, the VSD air compressor adjust air flow by changing the rotation speed of the compressor.

The high-efficiency permanent-magnet variable-frequency motor is not only highly efficient but also has a simple structure, reliable operation, smaller size and more lighter.

It can achieve high performance (such as special efficiency, special high speed, high response speed) that cannot be achieved by traditional motors.

At present, DENAIR high-efficiency permanent magnet frequency conversion motor is the best choice for electrical screw air compressor. More efficient and energy-saving than ordinary three-phase asynchronous variable-frequency motor, which can save more power for our end users.

For more information, please visit Permanent Magnet Screw Compressor.