Energy Saving air Cooled Rotary Compressor---VFD

Basic Info 
●Model NO.: HQ-125VFD 
●Type: Screw 
●Performance: Low Noise 
●Drive Mode: Electric 
●Power Source: AC Power 
●Configuration: Stationary 
●Material: Cast Iron 
●Lubrication Style: Oil-less 
●Air Flower 17.2-13.0  m3/Min

  Work Pressure 7-12.5bar 
●Performance :Low Noise 

  Export Markets :Global 
●Type:Compacted: Power Source :AC Power 
●Trademark: HighQ 
●Specification: CE TUV 
●Origin: China 
●HS Code: 8414809090 

The difference between variable frequency screw machine and Fixed-speed screw air compressor

1 

Pressure stable

The variable frequency screw air compressor uses the stepless speed regulation feature of the inverter. It can start smoothly through the controller or the PID regulator inside the inverter; it can quickly adjust the response to the occasion of large fluctuations in gas consumption

2

Start without shock

The function of the soft starter covered by the inverter itself, the maximum starting current is within 1.2 times of the rated current, while the power frequency start is generally more than 6 times of the rated current, compared with the starting shock is small. This kind of impact not only affects the power grid, but also greatly reduces the impact on the entire mechanical system.

3

Variable flow control

The frequency converter adjusts the motor speed in real time according to the actual air volume to control the exhaust volume. So the variable frequency air compressor can work in a wide range of displacement

4

Better AC voltage adaptability

1. Due to the over-modulation technology used by the inverter, it can still output enough torque to drive the motor to work when the AC power voltage is slightly lower; when the voltage is slightly higher, the voltage output to the motor will not be too high

2. For self-generating occasions, the variable frequency drive can show its advantages more;

3. According to the characteristics of the motor VF (the inverter air compressor works below the rated voltage in the energy-saving state), the effect is obvious for sites with low grid voltage.

5

Low noise

Most of the operating conditions of the frequency conversion system are below the rated speed, the mechanical noise and wear of the host are reduced, and the maintenance and service life are extended.

6

Energy saving

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