Mitsubishi VFD Frequency Converter FR-S540E-2.2K-CH

06/14/2020

Relay protection concept and basic requirements

Before introducing relay protection, first introduce several working states of the power system (1) Normal working state It means that all the equality and inequality constraints of the power system are satisfied, indicating that the power system me器2䀀
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06/14/2020

What to do if the air conditioning refrigeration effect is not good

The summer is hot, and air conditioning is an indispensable home appliance product. However, most owners will encounter problems with the poor cooling effect of the air conditioner in the process of using the air conditioner. What is the problem with the 器2䀀
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즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦

09/09/2020

Basic knowledge of gas compressor and its role in various fields

1.Compressor power and pressure: 1. The shaft power of the compressor is the sum of the indicated power and the friction power. The indicated power is the power directly consumed by compressed gas, the friction power is the power consumed by overcoming mechanical friction, and the shaft power of the compressor is the power used to select the drive motor.

08/24/2020

What do the refrigeration system overcooling and overheating mean

The so-called "supercooling" is to pass the condensed saturated liquid through a certain device (such as a subcooler) and method (or measure) to recool it so that its temperature is lower than the saturation temperature under the condensation pressure, which is called supercooling .

12/05/2020

Selection of compressed air dew point meter

Air compressor dew point meter-suitable for compressed air and compressor post-processing drying equipment dew point meter, Michell products include a variety of online dew point meter and portable dew point meter, as well as dew point meter analysis system, fast response speed and good reliability.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/04/2020

The current situation and improvement measures of the compressed air dryer market

Compressed air dryers are mainly divided into adsorption dryers and refrigerated dryers. It covers a wide range of fields, mainly including metallurgy, petroleum, chemical, electric power, automobile manufacturing, food processing,

08/26/2020

The fifteen elements teach you how to correctly choose air compressor lubricants.

1. Quality of air compressor lubricant base oil 2. 　The base oil of compressor oil generally accounts for more than 95% of the product oil. Therefore, the quality of the base oil is directly related to the quality of the compressor oil, and the quality ofŸﰨ2䀀湠皟VǜV
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06/14/2020

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future "With the elaborate construction of data center refrigeration systems,

06/14/2020

Types and selection criteria of control valves for refrigeration equipment

The first thing to know is what is a control valve? A control valve, also known as a control valve, is mainly used in the field of industrial automation process control. Its function is to change the flow, pressure, temperature, etc. of the medium. The apﰸ2䀀
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