Ebmpapst Fan W6E630-KN01-11

12/22/2022

How to Maintain Optical Fiber Amplifiers?

An optical fiber amplifier (OFA) can not only directly amplify optical signals, but also have the advantages of real-time, high gain, online, low noise and low loss.

09/30/2025

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner The fixed speed air conditioner means that the speed of the internal compressor motor is constant and the temperaturŒﰨ2䀀湠疌VǜV
㠠ư㠠ư㠠ư類

09/01/2020

Analysis of three states of mechanical lubrication

There are three types of lubrication: full film lubrication, boundary lubrication, and mixed lubrication. They are in three different states, but they all rely on lubricating oil to lubricate and resist wear.

06/29/2020

What is the cause of compressor pipeline vibration

08/25/2020

Mitsubishi inverter air conditioner basic principle training

1. The difference between inverter air conditioner and fixed frequency air conditioner <br></br> 　　 1. Different compressors

09/04/2020

In the nitrogen generator system, are the gas storage tanks and refrigeration dryers necessary equipment

Users often ask about nitrogen generators. After some understanding and communication, I asked users, if you buy a nitrogen generator, how big is the gas storage tank?

08/11/2020

Will the amount of refrigerant cause frost in the return pipe and compressor

As far as air conditioners are concerned, generally speaking, the principle of system circulation is the same as that of refrigerator freezers. The symptoms of air conditioner systems are similar to those of refrigerator freezers when they lack fluorine.

08/20/2020

Knowledge answers to common questions of ice maker, poke in and have a look!

Many users have a lot of questions to ask when buying ice machine equipment, because understanding before purchasing any equipment is very important, and reasonable

06/14/2020

Common failures of half-sealed piston compressors

Common failures of half-sealed piston compressors 1. The compressor cannot start normally 1. First check whether the power supply voltage is too low or the motor line is poorly connected. If the grid voltage is too low, start again after the grid volt器2䀀
ￜ皥
䖒皦즠Ʋ娼ི㲈Ʋ
䌁皦
ᮔDž༬皧婆ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵

09/09/2020

Characteristics of Market Operation of Contract Energy Management

EMC's energy system transformation uses contract energy management mode to serve customers, which overcomes the current energy-saving work faced by my country, such as: lack of corporate energy-saving investment awareness, insufficient energy-saving investment funds, low-efficiency energy-saving projects "headache" and system efficiency.