SIEMENS Servo Motor 1FK7100-5AF71-1DG0

08/14/2020

The reason why the fan of air-cooled chiller does not run

In many areas where water sources are lacking, or air-cooled chillers for cooling and cooling of supporting machinery and equipment, after several years of use, such and other small failures may occur.

06/27/2020

Compressor installation

　　　　　　　　　　　　　　 Chapter 1 General Provisions 　　 Article 1 This chapter is applicable to the installation of reciprocating piston type, screw type, vane type and membrane type positive displacement compressors.

06/29/2020

Compression ratio of American Copeland compressor

08/04/2020

The correct method and detailed steps of the cooling system of the computer room

1. The equipment pipes of the refrigeration system must be drained before operation to remove the welding slag, iron filings, sand and other dirt remaining in the system during the installation process.

06/14/2020

Business management logic of cold storage management system

Business management logic of cold storage management system Nowadays, the development of the cold storage industry is fast, but the scale of the cold storage enterprises is uneven.

09/01/2022

What is a Magnetic Contactor?

In many cases, the magnetic contactor is simply referred to as a contactor. It is an electrical appliance that uses the current flowing through the coil to generate a magnetic field to close the contacts to control the load in industrial electricity.

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

03/01/2021

Performance comparison between servo motor and stepping motor

As an open-loop control system, stepping motor has essential connection with modern digital control technology. In the current domestic digital control system, stepping motor is widely used. With the emergence of all digital AC servo system, AC servo motor is more and more used in digital control system. In order to adapt to the development trend of digital control, stepping motor or full digital AC servo motor is mostly used as the executive motor in motion control system. Although they are similar in control mode (pulse train and direction signal), they are quite different in performance and application. This paper compares the performance of the two.

08/02/2020

Treatment method after load damage of screw chiller

First of all, we must confirm whether the compressor load has been burned or the components have been worn away. If so, the refrigerant system will inevitably be contaminated. For example, residual refrigerant oil remains in the pipeline after carbonization

07/31/2020

For an air conditioner with a heating power of 1390W+1050W, what is the power consumption for 1 hour of heating

Time flies, the air conditioner has just been out of service for two months, and it's time to start using it again. With air-conditioning, our biggest concern is power consumption.