LG LS Contactor MC-75a 1382001100

06/12/2025

Basic Structures and Working Principles of Electric Motors

An electric motor is a device that converts electrical energy into mechanical energy.

09/04/2020

The difference between air compressor inverter and soft starter

Soft starter concept 　　Soft start (also known as soft starter, motor soft starter, soft starter) 　　Soft start is a novel motor control device that integrates motor soft start, soft stop, light load energy saving and multiple protection functions.

08/31/2020

Explore the market and direction of oil-free compressors

At the moment when the overall growth of compressors is under great downward pressure, the rise of the oil-free machine market is undoubtedly a booster that can inspire the market and open up another way for companies to differentiate competition.

07/27/2020

What's the matter with the air conditioner cooling and not heating? How to buy refrigeration and air conditioning?

This way, whether it is in winter or summer, it can be used in the past, but many people have found that the cooling effect of the current air conditioner is better, but the heating effect is indeed poor, so what about the air conditioner cooling without heating? People should master this, and they should also know how to choose refrigeration and air conditioning.

03/01/2021

Basic principle and optimization algorithm of BLDC

Brushless direct current motor (BLDCM,) gets rid of the inherent shortcomings of the brushless DC motor, and replaces the mechanical motor rotor with the electronic motor rotor. Therefore, the brushless DC motor not only has the excellent speed characteristics of the DC motor, but also has the advantages of simple structure, no commutation flame, reliable operation and easy maintenance.

01/07/2021

Working principle of air conditioner refrigerator

Working principle of air conditioner refrigerator The basic principle of HVAC chiller using refrigeration For example, the kind used in the laboratory or industrial environment, there are many types of chillers on the market, this is an overview of 器2䀀
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08/21/2020

Key points for safe operation of large-scale cold storage refrigeration operators

The main points of safe operation are as follows: 　　1, safe operation regulations 　　 Generally, there should be safety operating procedures for the machines and equipment of refrigeration installations, and refrigeration operators must strictly follow them to ensure safe production.

05/26/2023

How to Fix an AC Compressor?

The compressor is the most important part of the refrigeration cycle of the air conditioner.

09/08/2020

How to classify air compressors

According to the compression method: Screw air compressor (screw air compressor), piston air compressor (piston air compressor, reciprocating air compressor), sliding vane air compressor (sliding vane air compressor), centrifugal air compressor ( Centrifugal air compressor)

06/29/2020

Compression ratio of American Copeland compressor