Air compressor purification unit, refrigerated dryer, cutting machine, air pump, cutting machine, air compressor, 22kw

★ Stable air pressure

Due to the stepless speed regulation feature of the frequency converter, screw air compressors with variable frequency drives can achieve smooth startup through the coller or the PID regulator inside the frequency converter; for applications with large fluctuations in air consumption, it can provide rapid regulation and response. Compared with on-off control of fixed-frequency operation, re stability is improved exponentially.

★ Shock-free start

Since the inverter inherently incorporates the functions of a soft starter, the starting current is limited to within 1.2 times the rant, compared to the 6 times or more of rated current typically seen in power frequency starting. The starting impact is minimal, significantly reducing the impact not only on the power grid also on the entire mechanical system.

★ Variable flow control

Fixed-frequency driven air compressors can only operate at a single air discharge volume, whereas variable-speed compressors can operate across a wof discharge volumes. The variable-speed drive adjusts the motor speed in real-time based on actual air demand to control the discharge volume. When air demand is low, the compressor can automatically enter a sleep mode, significantly reducing energy loss. Optimized control strategies can further enhance energy-saving performance.

This intelligent regulation ensures stable pressure while minimizing power consumption, especially during partial-load operation. By dynamically matching output to demand, e-speed drive avoids the inefficiencies of traditional on/off or load/unload control. Real-time feedback loops continuously refine motor response, maintaining optimal performance across varying conditions.

★ The AC power supply voltage adaptability is superior

Due to the over-modulation technology employed by the variable frequency drive, sufficient torque can still be output ve the motor even when the AC power supply voltage is slightly low; furthermore, it will not cause the output voltage to the motor to be excessively high when the voltage is slightly hn self-power generation scenarios, the advantages of variable frequency drive are even more pronounced. Based on the V/F characteristics of the motor (variable frequency air compressors operate below rated voltage whnergy-saving mode), the effect is significant in sites with low grid voltage.

★ Low noise

Most operating conditions of the variable frequency system are below rated speed, reducing mechanical noise and wear of the main unit, thereby extending maintenance intervals and sice life. If the fan also uses variable frequency drive, it can significantly reduce the noise during the operation of the air compressor.

Specification