Danfoss Compressor SH420A7ALY

09/08/2020

Teach you how to understand the energy-saving EMC of the air compressor system

Before the article starts, let's sort out the basic characteristics of contract energy management services (EMC): 　　 Use the saved energy cost (energy saving benefit) to pay the investment cost

03/18/2021

Parameter setting method of servo motor driver

The larger the setting value, the higher the gain and the greater the stiffness. Under the same frequency command pulse condition, the position lag will be smaller.

09/13/2022

Dealing with Actuator Failures: Common Causes and Solutions

The actuator device is a combination of the actuator part and the control valve in automatic control system.

09/08/2020

The function and basic performance of the pressure reducing valve of the compressed air filter

The filter, pressure reducing valve and lubricator together form a pneumatic triplet. The filter is mainly responsible for filtering the liquid water, oil and impurities in the compressed air, the pressure reducing valve is mainly responsible for controlling the system pressure, and the oil mist device is responsible for the oil lubrication of the back-end components.

07/27/2020

Do you know the reasons for the attenuation of the cooling capacity of the screw refrigeration unit?

Lithium bromide absorption refrigeration units are a type of refrigeration equipment that will inevitably produce cold capacity attenuation.

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

08/08/2020

Selection and calculation of differential pressure regulating valve for central air-conditioning chilled water system

In order to ensure that the flow of the chiller in the central air-conditioning chilled water system is basically constant; the operating conditions of the chilled water pump are stable,

11/17/2023

How Does the PWM Achieve Fan Speed Regulation? What Does Each Wire of the CPU Fan Mean?

No matter if it is a desktop computer or a notebook computer, they all have fans. The fan plays the role of heat dissipation.

09/10/2020

Air Compressor Power Saving Reform Plan and Benefit

1. The feasibility of power saving transformation of air compressor The energy consumption of air compressors is obvious to all. The okmarts.com high-pressure fan power saver developed by okmarts.com based on the principle of frequency conversion can save electricity for all motor-driven air compressors. The overall power saving effect is remarkable, with a power saving rate of 20-50%.

06/29/2020

What is the cause of compressor pipeline vibration