Danfoss Compressor SZ240A9VW

03/03/2021

The key detection items of servo motor and common problems in servo motor detection

1).Servo motor detection -- cogging torque: Cogging torque is an inherent phenomenon of permanent magnet motor, which can make the motor torque fluctuate and produce vibration and noise. We measure the change of motor torque in a rotation cycle on a special test bench and analyze the distribution of cogging torque.

09/02/2020

Discussion on Shared Economy Model of Air Compressor Industry

The sharing economy is the result of technological progress. The characteristic of the property rights of the sharing economy is the leasing economic model in which the owner temporarily surrenders the right to use to obtain income, but this economic model did not form a climate before the Internet era.

06/14/2020

Notes on abnormal shutdown of refrigeration compressor

Notes on abnormal shutdown of refrigeration compressor Abnormal shutdown is generally an accident shutdown, mainly in the following situations. 1) Sudden power failure and shutdown. If the refrigeration compressor is suddenly powered off, you shou器2䀀
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07/14/2020

Compressor 9 types of faults and hazard analysis are all here! ! !

Compressor 9 types of faults and hazard analysis are all here! ! ! 1. Common faults of compressor — start with liquid Starting with fluid is a problem that easily occurs when the machine is stopped. During shutdown, the refrigerant will migrate from the system back to the compressor and deposit in the lubricant.

08/02/2020

It is not rigorous to select air conditioners based on the number of horses. The correct way is to look at this parameter!

Summer is coming soon, and it’s the season when air conditioners are selling well. When I go to the store to buy air conditioners, the first question I face is "how many horses to buy".

06/14/2020

Description of refrigeration compressor maintenance methods

Description of refrigeration compressor maintenance methods This article mainly describes the related content of the maintenance methods of refrigeration compressors

07/20/2020

What are the specific operation methods for the maintenance of cold storage screw compressors?

　 Before the cold storage screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pipeline connected to the compressor should be cut off and the refrigerant and lubricating oil in the compressor should be discharged before the compressor can be disassembled.

08/21/2020

The principle and decisive factors of cooling tower cooling effect

The role of the cooling tower is to exchange the cooling water carrying waste heat with the air inside the tower body, so that the waste heat is transferred to the air and dispersed into the atmosphere.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

01/15/2022

Case Studies of How to Replace a Compressor in Refrigerator (Part Two)

As we have mentioned in the first part, it’s the refrigeration capacity, the clean piping system, and the drying filter that deserve our attention.