Details
Permanent magnet frequency conversion air compressor

Permanent magnet VSD screw compressor

ADEKOM's latest technology of Variable Speed Drive (VSD) Screw Compressor which adopts permanent magnet motor and controlled by frequency inverter is having the following features: VSD compressor precisely follows the varying air demand by adjusting motor rotation speed, this prevents unnecessary full load high current operation and energy consumed during unload operation of standard base load compressor; By adopting modern High Efficiency Interior Permanent Magnet (IPM) Motor Drive, Adekom LM series VSD compressor is having 6-7% more energy efficient than standard VSD screw compressor available in the market; Especially under low loading running, optimal control range of IPM motor plays a significant role of superior energy saving effect.Thanks to the high energy efficiency of IPM motor under wide operating range, this inverter controlled variable speed drive screw compressor can achieve energy saving of 35% in comparing with standard base load compressor.
Features Specifications Application

High Efficiency Oil-cooled Permanent Magnet Motor
·1PM motor constructed with neodymium iron boron permanent magnet materials can prevent demagnetized even under high operating temperature up to 180°C. Services life is up to 15 years!
·Halo-resistance enameled cable with remarkable insulation performance is applied to stator coil for long service life.
·One common shaft structure design, motor without bearing structure to guarantee 100% transmission efficiency.
·No more greasing and replacement of bearings at regular interval.
·High temperature protection via PTC/PT100 is available.
·Wide adjustable speed range and high precision which lead to wider range of air capacity modulation.
·Compact size motor saves compressor foot print.
·Double layer housing with oil circulation that reduces noise level and realizes low vibration and stable operation.
·Very high efficiency: IE4 and IP65 protection class as options.

Permanent Magnet Motor Duty Frequency Inverter
·DC reactor is equipped to suppress harmonics and improve the power factor of the input grid.
·Peak current during start-up is minimized to achieve soft starting stably.
·Saving the cost of power supply equipment.
·Special ventilation design to avoid the risk of high temperature tripping during hot climate.
·Filtration mat is fitted as standard with surface coating treatment on circuit board to realize dust and dirt resistance and anti-moisture effect.
·Follow CAN standard protocol and strictly comply with cable specification for hardware, good anti-noise interference capability.
·Fast-tracking on pressure changes, pressure fluctuation is controlled within ±0.01Mpa, to match precisely with the system air demand by outputting the optimal frequency/speed.

Model

LM-7.5EPM

LM-11EPM

LM-15EPM

LM-22EPM

LM-30EPM

LM-37EPM

LM-45EPM

LM-55EPM

LM-75EPM 

Exhaust volume / exhaust pressure

m³/

1.15/7

1.81/7

2.4/7

3.7/7

5.0/7

6.5/7

8.0/7

10.8/7

14.0/7

mim 

1.0/8

1.7/8

2.3/8

3.5/8

4.8/8

6.288

7.5/8

10.2/8

13.2/8

     /bar(g)

0.8/10

1.4/10

2.0/10

3.1/10

4.3/10

5.6/10

6.8/10

9.0/10

11.6/10

Cooling method

Air-cooled

Exhaust gas temperature

Air-cooled: ambient temperature +10℃

noise

dB

63±3

65±3

68±3

69 ±3

72±3

Drive mode

Permanent magnet synchronization

power supply

220V/380V/415V/3pf/50Hz/60Hz

power

kW

7.5

11

15

22

30

37

45

55

75

Startup mode

Frequency conversion start

Dimensions 

L

mm

1000

1050

1250

1300

1350

1600

1800

W

mm

750

800

850

900

1050

1200

1250

H

mm

1000

1050

1100

1250

1300

1500

1600

weight

kg

250

350

480

520

580

650

900

1200

1450

Export pipe diameter

inch

1/2"

3/4"

1:00

1    1/4"

1 1/2"

2"


1)Unit performance measured according to iso 1217, Ed. 3, Annex C-1996.

2)Noise level measured according to Pneurop/ Capi PNBNTC2 test code; tolerance #3dB(A)

Note: Adekom reserves the right to make changes without prior notice. For further informaton, please contact the manufacturer or you local sales agent