HONGFA Relay HFE50-100-6-KT42-R

07/14/2022

What is Air Compressor

An air compressor is a pneumatic device that converts power (using an electric motor, diesel or gasoline engine, etc.) into potential energy stored in pressurized air (i.e., compressed air).

08/13/2020

Maintenance method of chiller cooling tower equipment

We understand that domestic cooling water towers are structures used for cooling water in power plants, and the general height is determined by the size of the power plant units.

08/23/2021

Why We Use VFD - Efficiency and Performance

The Variable Frequency Drive (VFD) is a device widely used to convert the constant voltage of an autonomous AC power source into a variable voltage for controlling the torque

08/12/2025

AC Servo Motor Construction and Working

Most servo motors used in servos are AC motors. Figure 1 shows a circuit diagram of an AC servo motor.

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.

09/08/2020

Essential for air compressor companies safety monitoring implementation plan for special equipment

Special equipment refers to those equipment that is more dangerous and is prone to safety accidents if used or managed improperly. Special equipment is large in quantity and widely distributed, involving various aspects of production and life, and is an indispensable equipment facility that people have extensive contact with in daily work and life.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

The difference between single and twin screw compressors is reflected in the following 6 aspects

The difference between single and twin screw compressors is reflected in the following 6 aspects

09/08/2020

Types and functions of adsorbents for drying machines

The working principle of the suction dryer (also known as the adsorption dryer) is to reduce the moisture content in the compressed air by using the characteristics of the adsorbent to absorb moisture. Generally speaking, the pressure dew point of the outlet air of the suction dryer reaches -20℃~-70℃ .

07/24/2020

Central air conditioning water system cleaning method, process and case

When the central air-conditioning circulating water system runs for a long time, some salt deposits, corrosive debris, and biological sludge are often produced in the system. These substances will affect the heat transfer