Schneider Controller Module ATV630D75N4

09/05/2020

What are the advantages and disadvantages of permanent magnet synchronous motors, and what are the developments

Compared with traditional induction motors, permanent magnet synchronous motors have unique performance. Mainly introduce the characteristics of permanent magnet synchronous motors, and analyze the research status and development trends at home and abroad.

08/07/2020

Why are small computer rooms also using precision air conditioners for computer rooms

In recent years, there has been a trend of rapid growth in field computer rooms, network management centers, mobile base stations, and small computer rooms.

08/19/2020

What kind of expansion valve should be used for industrial chiller selection

1. When industrial chiller manufacturers produce air-cooled or water-cooled chillers, they generally use external balance thermal expansion valves when selecting thermal expansion valves.

09/07/2020

What is the principle of waste heat recovery Good for business

[Why] Air compressors are widely used. During their long-term, continuous operation, electrical energy is converted into mechanical energy and thermal energy according to the principle of energy conservation.

06/14/2020

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer.

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer. The compressor air conditioner on an electric veh器2䀀
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08/02/2020

Characteristics of R12, R22, R407C refrigerants in cold storage

don’t know if you still remember that okmarts.com wrote "How to Choose Refrigerant for Cold Storage Design" some time ago. Today okmarts.com will introduce several different cold storage refrigerants in detail, namely R12, R22, R407C

07/17/2020

How to maintain the refrigeration system on a daily basis

Many users have no professional personnel or simple maintenance of the refrigeration system when using the refrigeration system, which causes the system to be directly paralyzed once the problem occurs, and can not be used directly. It also takes a lot of manpower and material resources to solve, and it is very time-consuming.

06/14/2020

The difference between air conditioning dehumidification and refrigeration

The difference between air conditioning dehumidification and refrigeration Let me talk about the conclusion first: the current home air conditioner, dehumidification is a cooling operation. There are three types of temperature that characterize the state器2䀀
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09/08/2020

Several major misunderstandings for air compressor oil! ! !

When the air compressor is working, the surface of the moving parts will produce severe friction. The function of air compressor oil is to form a good oil film between moving parts, separate the contact surfaces, replace dry friction with wet friction, and turn solid friction into liquid friction.

06/29/2020

How the compressor works