PARKER Filter 050AO

07/24/2020

Introduction to screw refrigeration compressors and precautions for use (technology sharing)

　　Screw refrigeration compressors and piston refrigeration compressors are the same in terms of gas compression, and both belong to positive displacement compressors, that is to say, they both compress gas by volume changes.

08/11/2020

Will the amount of refrigerant cause frost in the return pipe and compressor

As far as air conditioners are concerned, generally speaking, the principle of system circulation is the same as that of refrigerator freezers. The symptoms of air conditioner systems are similar to those of refrigerator freezers when they lack fluorine.

06/29/2020

Compression ratio of American Copeland compressor

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

08/24/2021

What Motors can be Used with VFD - Three-Phase Induction Motor

The ordinary three-phase asynchronous motor can be used with the variable frequency drive (VFD). Through the analysis of its main market share

07/14/2020

The cause of insufficient compressor displacement

The cause of insufficient compressor displacement Insufficient exhaust volume is one of the faults that compressors are prone to occur. Its appearance is mainly caused by the following reasons: 1. The failure of the intake filter: clogged fouling,

12/18/2024

ABB inverter fault codes and solutions

After an ABB inverter fails, many people don't know what to do, and they look for experts everywhere for advice. In fact, many times, just check the inverter's fault code to know what specific fault has occurred in the inverter, and you can prescribe the right medicine

08/08/2020

Six common problems of central air conditioning

Six common problems of central air conditioning 1. The dew point temperature of the central air-conditioning machine is normal or low, and the reason for the slow indoor cooling and the solution

01/04/2021

energy conversion and management

Performance improvement of biomass-fueled closed cycle gas turbine via compressor inlet cooling using absorption refrigeration; thermoeconomic analysis and multi-objective optimization By V.Zare Faculty of Mechanical Engineering, Urmia University of T器2䀀
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09/09/2022

Permanent Magnet DC Motor: Types, Application, Selection Principle (1)

A <strong>permanent magnet DC motor</strong> (PMDC motor) is a type of DC motor that uses permanent magnets to create a magnetic field.