Nidec Fan E34388-68G

08/20/2020

Causes of frosting of cold storage compressors and solutions

Frosting at the return port of a cold storage compressor is a very common phenomenon in refrigeration systems. Under normal circumstances, system problems will not occur immediately,

01/16/2021

What is the reason why the refrigerator compressor heats and does not cool

Principle of refrigerator compressor 　　Currently household refrigerators and air conditioner compressors are positive displacement, which can be divided into reciprocating and rotary. The rotary type uses a rotating shaft crank mechanism. According to th器2䀀
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01/05/2021

Project Best Practices

Project Best Practices Michael S. Forsthoffer, in Forsthoffer's More Best Practices for Rotating Equipment, 2017 Benchmarks This Best Practice has been used by Forsthoffer Associates, Inc. since 1990 and for Projects in all Industrial Plant Applicati器2䀀
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08/13/2020

Some common ways to reduce noise in cooling towers

Taking a circular countercurrent cooling tower as an example, the basic principle of its operation is: dry and low enthalpy air enters the cooling tower from the lower part of the cooling tower;

03/02/2021

Related technical terms

1.Positioning or residual torque: when there is no current passing through the winding, the torque required to make the output shaft of the motor rotate. 2.Driver: an electrical control device used to run the stepping motor. This includes power supply, logic programmer, switching element and a variable frequency pulse source which determines the step rate. 3.Dynamic torque: the torque produced by the motor at a certain step rate. The dynamic torque can be expressed by PULL IN torque or PULL OUT torque.

06/08/2022

Function and 7 Common Types of Solenoid Coil?

The self induced electromotive force in the inductance coil always competes with the change of current.

08/07/2020

Use and selection of water pumps for HVAC systems

1. Chilled water pump:<br></br> 　　In the chilled water loop, a device that drives water to circulate. The end of the air-conditioned room (such as fan coil, air handling unit, etc.)

08/18/2020

How to effectively heat the roof of cold storage

In order to reduce the influence of outdoor air temperature on the interior, the cold storage roof must be insulated. Currently, there are usually the following two approaches.

05/05/2022

What is A Solenoid Valve?

Solenoid valve is an industrial equipment controlled by electromagnetism. It is an automatic basic element used to control fluid. It belongs to actuator and is not limited to hydraulic and pneumatic.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start