Nader Contactor NDZ3-20001

09/10/2020

Advantages of air compressor equipped with permanent magnet synchronous motor

1. High efficiency The high efficiency mentioned here does not only mean that the efficiency of the rated power point is higher than that of the ordinary three-phase asynchronous frequency modulation motor, but refers to its average efficiency in the entire speed range. The excitation field of the permanent magnet synchronous motor is provided by the permanent magnet.

08/13/2020

How to deal with the high pressure overload of the chiller

When the condenser heat dissipation is poor, the compressor efficiency is low and the operating current increases. When the high pressure rises to 19Kg/cm2, the compressor trips under the protection of the high pressure switch and the compressor stops runPﰨ2

09/22/2020

Energy saving, the key to compressor selection

When buying a compressor, the energy consumption cost of the compressor is crucial.　　 There are many energy-saving measures that are feasible.　　 Ensure that replaceable parts can be easily repaired.　　

12/21/2022

Classifications and Features of Optical Fiber Amplifiers

An optical fiber amplifier, abbreviated as OFA, refers to a new type of all-optical amplifier used in optical fiber communication lines to achieve signal amplification.

05/07/2025

How to Reset a Refrigerator Compressor: a Step-by-Step Guide

If your refrigerator is not cooling properly or is making strange noises, it may be time to reset the compressor.

05/11/2022

What is PLC?

Programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environment.

04/08/2025

What is Positive Displacement Pump?

<strong>Positive displacement pump</strong> is also known as a volumetric pump, which uses the periodic volume changes of the working chamber (pump casing or cylinder) in the pump to transport the liquid.

09/20/2020

Rolling bearing technology

Rolling bearing technology Rolling bearing temperature 　<br></br>　 The main factors of bearing operating temperature:

06/29/2020

Several causes of compressor burning

06/14/2020

Business management logic of cold storage management system

Business management logic of cold storage management system Nowadays, the development of the cold storage industry is fast, but the scale of the cold storage enterprises is uneven.