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VFD for Air Compressor Control​

The Variable Frequency Drive (VFD) for Air Compressor is an advanced power control solution designed to enhance the efficiency, performance, and longevity of industrial air compression systems. This sophisticated device regulates the speed of the air compressor motor by adjusting the frequency and voltage of the power supply, allowing for precise control of air output and energy consumption.
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Product Overview


The VFD for Air Compressor Control represents a specialized motor control solution engineered specifically to optimize the performance of air compressor systems in industrial and commercial applications. This advanced variable frequency drive regulates motor speed based on actual air demand, eliminating the energy waste associated with traditional load/unload compressor operation. By converting fixed AC input to adjustable frequency output, the VFD enables precise control of compressor speed, pressure, and airflow, resulting in significant energy savings and extended equipment life. Compliant with IEC 60947-4-2 and EN 61800-3 standards, this robust drive integrates seamlessly with both new compressor installations and retrofit projects across various compressor types. Its compressor-specific control algorithms and protective features make it an essential component for efficient compressed air systems.


VFD for Air Compressor Control


Product Features


Demand-Based Speed Control

Utilizes a built-in pressure transducer and PID controller to maintain constant system pressure within ±0.2 bar while adjusting motor speed to match air demand. This eliminates pressure fluctuations and reduces energy consumption by 25-40% compared to fixed-speed operation.


Compressor-Specific Protection

Equipped with specialized protection features including anti-surge control, motor overload protection with Class 10 rating, and automatic restart with pressure equalization to prevent motor damage during startup under load.


Intelligent Load Management

Advanced algorithms optimize compressor cycles by analyzing demand patterns and adjusting operation to minimize unloaded running time. The VFD can control multiple compressors in a master-slave configuration to match varying demand profiles.


Applications


Industrial Manufacturing

Optimizes operation of rotary screw and reciprocating compressors in manufacturing facilities, providing stable air supply for pneumatic tools, automated machinery, and process control systems.


Food and Beverage Processing

Controls compressors supplying clean, dry air for packaging machinery, pneumatic conveyors, and process automation in food and beverage production facilities, ensuring consistent performance and meeting hygiene requirements.


Automotive Production

Regulates compressed air systems powering robotic assembly lines, painting equipment, and quality control systems in automotive manufacturing plants, improving process stability and reducing energy costs.


Commercial and Institutional Facilities

Manages air compressors in hospitals, universities, and commercial buildings, providing efficient compressed air for HVAC systems, laboratory equipment, and facility maintenance applications.


FAQ


What types of air compressors is the VFD compatible with?

The VFD is designed for use with rotary screw compressors, reciprocating compressors, and centrifugal compressors ranging from 7.5kW to 250kW (10HP to 335HP), making it suitable for most industrial and commercial compressed air systems.

How much energy can the VFD save in compressor applications?

Energy savings typically range from 25-40% compared to fixed-speed compressor operation, with the highest savings in applications with varying air demand. Facilities with significant off-peak periods can achieve even greater savings.

Does the VFD require a separate pressure sensor?

No, the VFD includes a built-in pressure transducer as standard equipment. For remote monitoring applications, it can also accept input from external pressure sensors or building management systems.

Can the VFD prevent compressor surging?

Yes, the integrated anti-surge protection system continuously monitors operating conditions and adjusts motor speed to prevent surge conditions, which can cause significant damage to compressor components.

What is the recommended maintenance schedule for the VFD?

The VFD is designed for minimal maintenance, requiring only annual inspection of electrical connections and cleaning of cooling vents. The drive stores diagnostic data and provides maintenance alerts when required.


Product Name

General Purpose Vector Frequency Converter

Power Specifications

0.75KW - 22KW

Rated Voltage

380V

Input Voltage

±15%

Input Frequency

50Hz

Cooling Level

Air-cooled with fan control

Low Frequency Output

0-300Hz

High Frequency Output

0-3000Hz

Control Mode

V/F control, advanced V/F control,

V/F separation control, current vector control

Protection

Over-current, over-voltage and under-voltage, module fault, over-heat, short circuit, input and output lack of phase, abnormal motor parameter regulation, electronic thermal relay, ect.

Product Category

Our factory focuses on the production and development of frequency converters and soft start devices, which are widely used in the fields of automation control and energy management, helping enterprises improve energy efficiency and reduce energy consumption.

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Skype: +86-13456090727
Tel: +86-400-080-0075
Phone: +86-13456090727
Add: No.3 Jinmao Road,Wenyang District,Yueqing City,Wenzhou City,Zhejiang Province, China 325600
 

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