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55~75kW Single-stage Permanent Magnet Variable Frequency Screw Air Compressor is a single-stage compression screw air compressor that combines permanent magnet synchronous motor (PMSM) and variable frequency drive (VFD) technology in the power range of 55 to 75 kilowatts.
Features of PM VSD Air Compressors
1. Extremely high energy efficiency, with significant energy savings.
No excitation loss: Permanent magnet motors eliminate the current loss associated with rotor excitation in induction motors, maintaining extremely high efficiency even at low speeds.
On-demand air supply, no unloaded energy consumption: Traditional mains-frequency motors consume approximately 30% to 50% of their full-load energy consumption during unloaded operation. VFDs typically achieve energy savings of 20% to 35%.
2. Stable air pressure, high-quality air supply.
VFD control enables constant air pressure supply. Pressure fluctuations are controlled to ±0.1 bar, making it particularly suitable for applications requiring high air pressure stability.
3. Smooth startup, minimizing impact on the power grid.
Soft start mode effectively protects the motor and power grid, minimizing impact on other electrical equipment.
4. Lower maintenance costs and longer lifespan.
Reduced no-load operation: This eliminates frequent motor starts and stops, or idling, reducing impact on the motor, main unit, and electrical components.
Soft start/stop: Reduces mechanical wear on the drive system and bearings.
5. Lower Noise
During low-load operation, the motor speed decreases, and the fan speed also decreases accordingly, significantly reducing overall operating noise and improving the working environment.
Technical Parameters
| Intelligent PM VSD Screw Air Compressor | ||||||||
| Model | Air Delivery (m3/min) | Power (kW/hp) | Noise dB(A) | Outlet diameter | Dimensions (mm) | Weight (kg) | ||
| 8 bar | 10 bar | 13 bar | L * W * H | |||||
| RK75APM | 3.8-9.5 | 3.5-8.7 | 3.0-7.3 | 55/75 | 70 | G2 | 1700*1220*1550 | 950 |
| RK100APM | 5.1-12.8 | 4.5-11.3 | 3.7-9.2 | 75/100 | 72 | G2 | 1700*1200*1550 | 1050 |
Industry Applications
55-75kW permanent magnet variable frequency screw air compressors, due to their superior energy efficiency and stable air pressure performance, are widely used in all industries with fluctuating air loads or requiring high air pressure stability, especially those seeking to reduce high electricity costs.
Automotive Manufacturing and Parts Industry
Paintshops (requiring a stable, clean air source), pneumatic tools on assembly lines, testing equipment, robotics, etc.
Electronics, Electrical, and Semiconductor Industry
Circuit board soldering, chip packaging and testing, cleanroom purging, etc.
Food, Beverage, and Pharmaceutical Industry
Filling equipment, packaging machinery, mixing and fermentation, material handling, etc.
Textile and Chemical Fiber Industry
Air-jet looms, texturing machines, etc.
Energy, Chemical, and Manufacturing Industry
Serves as a control air source for instrumentation and control, pneumatic valves, material handling, and large-scale equipment.
55~75kW Single-stage Permanent Magnet Variable Frequency Screw Air Compressor is a single-stage compression screw air compressor that combines permanent magnet synchronous motor (PMSM) and variable frequency drive (VFD) technology in the power range of 55 to 75 kilowatts.
Features of PM VSD Air Compressors
1. Extremely high energy efficiency, with significant energy savings.
No excitation loss: Permanent magnet motors eliminate the current loss associated with rotor excitation in induction motors, maintaining extremely high efficiency even at low speeds.
On-demand air supply, no unloaded energy consumption: Traditional mains-frequency motors consume approximately 30% to 50% of their full-load energy consumption during unloaded operation. VFDs typically achieve energy savings of 20% to 35%.
2. Stable air pressure, high-quality air supply.
VFD control enables constant air pressure supply. Pressure fluctuations are controlled to ±0.1 bar, making it particularly suitable for applications requiring high air pressure stability.
3. Smooth startup, minimizing impact on the power grid.
Soft start mode effectively protects the motor and power grid, minimizing impact on other electrical equipment.
4. Lower maintenance costs and longer lifespan.
Reduced no-load operation: This eliminates frequent motor starts and stops, or idling, reducing impact on the motor, main unit, and electrical components.
Soft start/stop: Reduces mechanical wear on the drive system and bearings.
5. Lower Noise
During low-load operation, the motor speed decreases, and the fan speed also decreases accordingly, significantly reducing overall operating noise and improving the working environment.
Technical Parameters
| Intelligent PM VSD Screw Air Compressor | ||||||||
| Model | Air Delivery (m3/min) | Power (kW/hp) | Noise dB(A) | Outlet diameter | Dimensions (mm) | Weight (kg) | ||
| 8 bar | 10 bar | 13 bar | L * W * H | |||||
| RK75APM | 3.8-9.5 | 3.5-8.7 | 3.0-7.3 | 55/75 | 70 | G2 | 1700*1220*1550 | 950 |
| RK100APM | 5.1-12.8 | 4.5-11.3 | 3.7-9.2 | 75/100 | 72 | G2 | 1700*1200*1550 | 1050 |
Industry Applications
55-75kW permanent magnet variable frequency screw air compressors, due to their superior energy efficiency and stable air pressure performance, are widely used in all industries with fluctuating air loads or requiring high air pressure stability, especially those seeking to reduce high electricity costs.
Automotive Manufacturing and Parts Industry
Paintshops (requiring a stable, clean air source), pneumatic tools on assembly lines, testing equipment, robotics, etc.
Electronics, Electrical, and Semiconductor Industry
Circuit board soldering, chip packaging and testing, cleanroom purging, etc.
Food, Beverage, and Pharmaceutical Industry
Filling equipment, packaging machinery, mixing and fermentation, material handling, etc.
Textile and Chemical Fiber Industry
Air-jet looms, texturing machines, etc.
Energy, Chemical, and Manufacturing Industry
Serves as a control air source for instrumentation and control, pneumatic valves, material handling, and large-scale equipment.
