Copeland Compressor ZPT88K5E-TFR-275

10/31/2021

Study on the Performance of Single Phase AC-DC-AC Inverter Circuit

Variable Frequency Drive(VFD) converts power in the motion control system. The motion control system now contains a variety of disciplines.

08/17/2020

Tubular heat exchanger tube bundle failure and flange leakage

1. Tube bundle failure 　　 1. Corrosion and abrasion of the tube bundle cause tube bundle leakage or scale in the tube bundle causes blockage and malfunction

08/14/2020

What should I do if the refrigerator trips and leaks

Leakage of the moisture-proof wire of the freezer The leakage of the moisture-proof wire of the freezer is mainly manifested by the frequent on and off of the overload protection relay that is turned on after the power is turned on

03/01/2021

Performance characteristics of Panasonic Minas series Panasonic AC servo

The output power of Panasonic AC servo motor is generally 0.1-100 W, and the power frequency is divided into 50 Hz, 400 Hz, etc. It is widely used in various automatic control and recording systems 1.Miniaturization design 1) Through the best thermal analysis of the driver, the miniaturization is realized. Compared with the past, the volume is 75% and the weight is 80% 2) The new punching process of thin die steel plate has greatly reduced the iron loss, shortened the motor length (70% in the past) and reduced the number of drive models. It adopts current grading method to prepare and maintain. One driver is suitable for multiple motors and can identify automatically.

07/07/2020

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

07/13/2020

Two products support half of Danfoss refrigeration business

Danfoss commercial compressor nameplate changes Danfoss piston compressors and scroll compressors have adopted a new nameplate since December 2015. At the same time, the compressor product brand and brand logo have also been adjusted.

07/11/2020

working principle

working principle The screw compressor uses a pair of core-yin and yin rotors to realize the continuous suction, compression, and exhaust of air. The active rotor has a 5-spiral spiral, and the driven rotor has 6 tooth slots. It adopts a unique tooth shape to produce High compression efficiency.

09/05/2020

Where does the air compressor rental market go

At the beginning of 2017, Dr. Li in the construction industry said that the international sales of construction machinery hours to leasers have reached more than 25% of the total machinery output value,

07/31/2020

Reasons for uneven liquid distribution in refrigeration systems and tragic cases!

If the distribution head is not evenly distributed, it will cause too much refrigerant in some of the bypasses and frost the evaporator.

06/30/2020

How to deal with the faulty host refrigerant system of the compressor

How to deal with the faulty host refrigerant system of the compressor How to deal with a main engine refrigerant system where the compressor has burnt out or failed is a more serious and technically demanding problem than the production of a new main engine. However, it is often neglected by most of the technicians, and even the wrong concept is replaced if they think that it is broken anyway! It causes some disputes that the compressor quality is poor or others use it improperly.