Schneider Soft Starter ATS48D17YU

07/25/2020

Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

There are two types of failures in the automatic control of refrigeration devices: one is caused by the failure of the refrigeration system; the other is caused by automatic control, electrical component failure, and improper debugging.

08/11/2022

What is Permanent Magnet Synchronous Electric Motor?

Permanent magnet synchronous motor (PMSM) is a synchronous motor that uses permanent magnets to establish an excitation magnetic field.

06/14/2020

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve Inverter air-conditioning units do not use electronic expansion valve throttling, their own operational safety will deteriorate, and there is no w器2䀀
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11/08/2021

Guide of Siemens Pressure Transmitter: Features, Working Principle and Troubleshooting

Siemens pressure transmitter is a kind of equipment which converts pressure into pneumatic signal or electric signal for control and remote transmission.

08/04/2020

Several important issues that should be paid attention to when installing and debugging the inverter on site

nverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/21/2025

Summary of the key issues of the servo motor drive

According to the current of the motor, use a driver that is greater than or equal to this current. If low vibration or high precision is required, a subdivision drive can be used. For high-torque motors, use high-voltage drivers as much as possible to obtain good high-speed performance.

08/29/2025

Common failures and causes analysis of refrigeration compressors

Common failures and causes analysis of refrigeration compressors The refrigeration compressor is the heart of the entire refrigeration system and the most important in the refrigeration system. Its main function is to compress the low-temperature and low-pressure gas from the evaporator into high-temperature and high-pressure gas to provide source power for the entire refrigeration cycle.

12/02/2024

AB Kinetix 5500 Servo Drive Indicator Light and Fault Codes Explained

Common faults in AB servo drive maintenance include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage and other faults.

06/20/2020

Working principle of scroll compressor_Characteristics of scroll compressor

Working principle of scroll compressor <img src="{{media url=&quot;Working_principle_of_scroll_compressor_Characteristics_of_scroll_compressor.jpg&quot;}}" alt="" /> 　　 Scroll compressor is a kind of positive displacement compression compressor, the compression part is composed of movable scroll and static scroll. This includes many structural features that divert the flow of gas through the compressor housing to reduce entrained oil.