Yaskawa Frequency Converter VFD CIMR-VT4A0038FAA

08/21/2020

Selection method of refrigeration host

The chillers used in the ice storage system need to adapt to the air conditioning and ice storage conditions, so they are often called dual-condition chillers. The available types are piston chillers,

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.

08/24/2020

What do the refrigeration system overcooling and overheating mean

The so-called "supercooling" is to pass the condensed saturated liquid through a certain device (such as a subcooler) and method (or measure) to recool it so that its temperature is lower than the saturation temperature under the condensation pressure, which is called supercooling .

10/10/2024

How to Use Rotary Encoder on Arduino Board UNO

In our last article, you may have learned how to connect a rotary encoder on Arduino development board UNO.

06/14/2020

What to do if the screw chiller compressor is damaged

The compressor is the core component of the chiller. Damage to the compressor is a serious fault that needs to be dealt with in time, otherwise the chiller will not work. Today, the editor will introduce the knowledge and process of handling damaged screw器2䀀

01/18/2023

What is Variable Valve Timing?

VVT refers to variable valve timing. It adjusts the amount of intake (or exhaust), as well as the timing and angle of solenoid valves opening and closing according to the operating conditions of the engine.

09/08/2020

The characteristics of the main shaft of the frequency conversion screw air compressor

The main core of the equipment operation of the rod host during the operation of the variable frequency screw air compressor. Without the rod host equipment, the equipment cannot operate normally. The following is an explanation of the characteristics of the rod host used in the air compressor equipment:

07/16/2020

Why should the high and low temperature test chamber be debugged and calibrated?

In order for the high and low temperature test chamber to exert its maximum efficiency and stability in the hands of customers, the most important thing is to debug and calibrate the factory during the 15-day forward behavior period. The following are the three methods for calibrating the high and low temperature test chamber and their The advantages and disadvantages of

09/08/2020

What are the application areas of air compressors

In which industries are air compressors popular? As a general-purpose equipment in the new era, air compressors are inseparable from any gas demand. Below, let's take a look at the application areas of air compressors!

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth