ALLWINNER IC FBGA-451

08/20/2020

Selection, installation and inspection of solenoid valves in cold storage

When selecting, the solenoid valve diameter of the same size as the pipeline should be configured according to the size of the cold storage refrigeration equipment pipeline.

07/16/2020

Use vacuum pump

When choosing a vacuum pump, you need to pay attention to the following items: 1. The working pressure of the vacuum pump should meet the ultimate vacuum and working pressure requirements of the vacuum equipment.

08/21/2020

A newly installed air conditioner trips as soon as it is plugged in. What's the matter

This question is about the first use of newly purchased appliances. This question actually asks two questions: First, the newly installed air conditioner trips as soon as it is plugged in. Why?

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/05/2020

The advantages of asynchronous motor over traditional permanent magnet motor

The asynchronous motor is a three-phase induction motor, not the rare earth permanent magnet motor used in traditional electric vehicles. What are the reasons for this? The difference between induction motors and permanent magnet motors.

08/06/2020

Have fun with the cooling water and condensate water system, start here!

1. Design steps of cooling water system<br></br> 　　 1. Installation of cooling water pump and cooling tower<br></br> 　　Each cooling tower should be equipped with at least one water pump. Generally, spare pumps should be considered for maintenance.

05/07/2022

Working Principle of 5 Kinds of Solenoid Valves?

When the power is on, the electromagnetic coil generates electromagnetic force to lift the closing part from the valve seat and open the valve

06/14/2020

Physicists create quantum refrigerator

Physicists create quantum refrigerator For decades, atomic physicists have used lasers to slow down the speed of atoms “jumping around” in the gas and cooled them to slightly above absolute zero to study their weird quantum properties.

08/05/2020

Selection skills of precision air conditioner and comfort air conditioner

When doing intelligent and informatized projects, it is inevitable to do computer room projects. Air-conditioning is inevitable for computer room engineering. Some people will say that the cost of precision air-conditioning is so high.

09/06/2022

What is Synchronous Reluctance Motor and How Does It Work

Synchronous Reluctance Motor (referred to as SynRM) is a new type of AC electric motor that forms a closed loop along the path of least magnetic reluctance