INFINEON IGBT Module K75EEH5

04/11/2025

Overview of Screw Refrigeration Compressor Technology

Screw compressors, also known as screw compressors, are divided into single screw compressors and twin screw compressors. The single screw compressor was developed by Sinn, France in the 1970s.

06/29/2020

What is the cause of compressor pipeline vibration

09/07/2020

The working principle of the frequency converter

The main circuit is the power conversion part that provides the voltage and frequency power supply for the asynchronous motor. The main circuit of the frequency converter can be roughly divided into two categories:

01/16/2025

Mitsubishi vs. Daikin vs. Hitachi vs. Toshiba: Which is the Best Central Air Conditioner Brand?

Decoration is an extremely exhausting task. From planning to completion of the decoration, the trouble and trivialities of the whole process make people not want to go through it again, and even just a certain procedure in the decoration process will make people scream and have a headache.

09/01/2020

Brief analysis of the structure and working principle of the oil separation core and the cause of failure

There is an important part of the oil and gas separator of the screw air compressor called the oil separation core. Many customers are very confused about the burning of the oil separation core.

08/11/2020

What are the common problems in the use of cold storage for preservation products

Two commonly used measures to block the exchange of hot and cold air include installing an air curtain or installing a transparent plastic soft curtain in the cold storage door.

06/29/2020

Compressor oil change index

Compressor oil change index The general indicators for determining whether the refrigeration oil can continue to be used are: appearance, viscosity, acid value, moisture, pour point, flash point, compressive strength, copper corrosion, mechanical impurities and insolubles.

08/18/2020

Solution to the non-circulation of cold water in the chiller

Generally, the chiller (small) produced by our okmarts.com already contains a chilled water circulating pump, and the chiller (large) does not contain a chilled water circulating pump.

08/12/2020

Causes and troubleshooting of refrigeration solenoid valve failure

The refrigeration solenoid valve is an industrial equipment controlled by electromagnetic, used in the industrial control system to adjust the direction, flow, speed and other parameters of the medium.

08/03/2020

Do you know the five hidden dangers of air conditioning installation

Air conditioning equipment is risky. If there is a problem of negligence during the installation process, for air conditioners, the industry has always had a saying of "three points of quality and seven points of equipment".