Danfoss Compressor SM185W4CA

02/27/2021

Working principle of servo motor (how servo motor works)

The rotor inside the servo motor is a permanent magnet. The U / V / W three-phase electricity controlled by the driver forms an electromagnetic field. The rotor rotates under the effect of this magnetic field. At the same time, the encoder of the motor feeds back the signal to the driver. The driver adjusts the rotation angle of the rotor according to the comparison between the feedback value and the target value. The accuracy of servo motor depends on the accuracy of encoder (number of lines).

06/14/2020

The common oil shortage failures of scroll refrigeration compressors are here

The compressor has been short of oil for a long time-the mechanism and the friction pairs are overheated, resulting in bearing sintering and shaft holding. The compressor is short of oil for a short time-the mechanism and the friction pairs are abnorma器2䀀
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08/20/2020

What are the requirements of the chiller for the performance of compressor lubricants

The refrigeration compressor is one of the most important components of the chiller, so the lubricating oil (also called refrigerating machine oil) it uses is very demanding.

08/13/2020

How to judge the car air conditioner expansion valve ice block What are the symptoms

If there is moisture in the system, icing and blockage will occur at the expansion valve when the air conditioner is in refrigeration. After the blockage, the air conditioner will not be cooled.

08/05/2020

Comprehensive introduction of central air-conditioning installation auxiliary materials (recommended collection)

Generally speaking, the auxiliary materials required for the installation of household central air-conditioning mainly include the following types:

09/06/2020

Why choose a frequency conversion air compressor Count the protection of the inverter to the motor

During the production and use of air compressor motors, improper operation often causes damage to the motor, which not only loses money, but also has a greater impact on the production schedule.

06/14/2020

Chineses air compressor came into being for energy saving

Chinese air compressor came into being for energy saving The distribution of energy in China is not only obvious in the geographical distribution of the total distribution, but also the geographical distribution of the distribution types. Plastic graﰸ2䀀
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08/17/2020

Industrial chiller fault code corresponding fault description and operation

Industrial chillers will inevitably have various types of failures during high-efficiency and long-term overload operation. Today, the editor of okmarts.com mainly shares with you the common failures in industrial chillers.

08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.

06/29/2020

Several causes of compressor burning