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Two-Stage Compression High Efficiency Permanent ...

May. 13, 2024

Advantages of Two-Stage Compression High Efficiency Permanent Magnet Motors

Benefits over Electrically Excited Motors

For more details, visit our website.


High efficiency

Permanent magnet motors eliminate excitation system loss, improving efficiency by 5-12%. They exhibit a high power factor, large torque inertia ratio, reduced stator current and resistance loss, and measurable rotor parameters that contribute to good control performance. The direct drive mechanism without speed slip and bearing connections improves efficiency by over 3%, with light loads yielding 15-35% more efficiency than asynchronous motors. These motors maintain high efficiency under both light and heavy loads, and their energy efficiency has reached national level 1 standards in Hylein's applications.


Low noise
The motors feature a well-designed magnetic field and magnetic density distribution for a broader operational frequency range and reduced noise levels. The open-loop vector control offers a response time of less than 50ms, enabling quick adjustment of gas production.

Compact structure
These motors are simpler in design, eliminating the exciter winding and power supply, resulting in reliable, low-maintenance operation.


High starting torque


The starting torque and overload capacity are significantly higher than those of three-phase asynchronous motors, with the maximum starting torque to rated torque ratio exceeding thrice that of general asynchronous motors.

30KW Two-Stage Permanent Magnet Air Compressor

Description

Low Energy Two Stages PM Compressor 40HP 6.0-3.9M3/Min

Air compressors generally consume a lot of energy. Two-stage screw air compressors are advisable for users requiring substantial gas production and continuous operation to save on energy.

These compressors operate via a two-stage compression process: gas enters the first compression stage, then the second. At the same power level, the gas output increases by up to 15%, resulting in 20-50% energy savings.

Advantages of Two-Stage Permanent Magnet Frequency Conversion Air Compressors

1. Precisely designed compression ratios reduce bearing and gear loads, extending the main Airend's life.

2. Large rotor design with low speed featuring two independent compression units for enhanced efficiency.

3. The rotors for both compression stages reside in a single shell and are driven by helical gears for optimum linear speed and compression efficiency.

4. New rotor design with over 20 precision processes ensures high precision, reliability, and effectiveness.

Model Specifications

HVV30
Power(KW): 22
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 4.3-2.7
Pipe Diameter: G1-1/2
Weight (kg): 650
Dimension(mm): 1500*1000*1350

HVV40
Power(KW): 30
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 6.0-3.9
Pipe Diameter: G1-1/2
Weight (kg): 700
Dimension(mm): 1500*1000*1350

HVV50
Power(KW): 37
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 7.1-5.4
Pipe Diameter: G1-1/2
Weight (kg): 750
Dimension(mm): 1500*1000*1350

HVV60
Power(KW): 45
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 10.0-6.8
Pipe Diameter: G2
Weight (kg): 1250
Dimension(mm): 2100*1300*1650

HVV75
Power(KW): 55
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 13.0-7.5
Pipe Diameter: G2
Weight (kg): 1300
Dimension(mm): 2100*1300*1650

HVV100
Power(KW): 75
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 15.5-10.2
Pipe Diameter: G2
Weight (kg): 1350
Dimension(mm): 2100*1300*1650

HVV125
Power(KW): 90
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 19.8-14.0
Pipe Diameter: DN80
Weight (kg): 2700
Dimension(mm): 2500*1650*1900

HVV150
Power(KW): 110
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 24.0-16.0
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Pipe Diameter: DN80
Weight (kg): 2800
Analyzing true costs of galvanizing structural steel
Dimension(mm): 2500*1650*1900

HVV180
Power(KW): 132
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 27.5-19.0
Pipe Diameter: DN80
Weight (kg): 3000
Dimension(mm): 2500*1650*1900

HVV220
Power(KW): 160
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 33.0-22.5
Pipe Diameter: DN80
Weight (kg): 4300
Dimension(mm): 3000*1900*1950

HVV250
Power(KW): 185
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 39.0-27.5
Pipe Diameter: DN80
Weight (kg): 4400
Dimension(mm): 3000*1900*1950

HVV270
Power(KW): 200
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 43.5-31.5
Pipe Diameter: DN100
Weight (kg): 5000
Dimension(mm): 3600*2200*2200

HVV300
Power(KW): 220
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 51.5-35.5
Pipe Diameter: DN100
Weight (kg): 5500
Dimension(mm): 3600*2200*2200

HVV340
Power(KW): 250
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 54.0-38.0
Pipe Diameter: DN125
Weight (kg): 6000
Dimension(mm): 3600*2200*2200

HVV380
Power(KW): 280
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 60.0-43.0
Pipe Diameter: DN125
Weight (kg): 6800
Dimension(mm): 4000*2300*2300

HVV420
Power(KW): 315
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 65.0-50.5
Pipe Diameter: DN125
Weight (kg): 7000
Dimension(mm): 4000*2300*2300

HVV480
Power(KW): 355
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 75.0-55.0
Pipe Diameter: DN150
Weight (kg): 8500
Dimension(mm): 4200*2200*2350

HVV540
Power(KW): 400
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 84.0-61.0
Pipe Diameter: DN150
Weight (kg): 9000
Dimension(mm): 4200*2200*2350

HVV600
Power(KW): 450
Pressure(MPa): 0.7-1.3
Capacity(m3/min): 92.0-67.0
Pipe Diameter: DN150
Weight (kg): 9500
Dimension(mm): 4200*2200*2350

About the Company

WOYO was established in 1996 as a high-tech enterprise specializing in screw compressor technology. Partnered with Wolkair Germany and GASCOT Germany, they formed WOYO Superdo in 2003, excelling in core component R&D, Modular designing, Quality Management, and large-scale production.

With a 20,000 square meter workshop housing advanced machinery, over 120 employees ensure rigorous quality and productivity standards. WOYO's vision is value creation, offering not only compressors but tailored compressed air solutions to minimize customer costs.

Our goal is to provide more reliable and economical compressor systems globally.

If you are interested in learning more about Double-stage compression permanent magnet variable frequency screw compressor Factory China, contact us today for an expert consultation!

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