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DSPM-20A Permanent Magnet VSD Screw Compressor

Model：DSPM-20A

Power：15KW

Horsepower：20HP

Product desciption

PM motor drive, higher efficiency
Adopt high efficiency PM motor

■ High efficiency: with higher power factor, bigger inertia ratio, lower rotor currentand without the excitation loss, Desran PM motor improves the efficiency for 5%-12%.With direct connection, the efficiency can be improved another 3%, in low load mode, the efficiency of PM VSD compressor is 15% to 35% higher than that of standard screw air compressor. PM VSD compressor can keep the high efficiency no matter it is low load or heavy load. Right now, the Desran PM VSD compressor can reach the first Tier energy efficiency standards in China.
■ When not fully loaded, still efficient: When working in full load, PM motor is about 9% more energy saving than normal asychronous motor. With load percentage decreases, the energy efficiency of PM motorcanc stay the same whilte for asychronous motor, the energy efficiency would decreases significantlyeven to 50%.
■ Stable: PM motor react more faster than normal motor with fluctuating air delivery demand,ensuring precise air delivery and best energy saving.

PM VSD control is more energy saving

With VSD control, the air supply from compressor and air consumption can be perfectly matched, which totally avoids power loss when discharging;
The current surge and torque strike can be avoided by VSD non-load starter under the alternating air consumption. Therefore, the unit can start and stop infinitely. Really achieve 0 ~ 100% stepless speed change, maximum control useless function generation; With 2 bar output pressure control, the systemcan save 14% regarding energy consumption.

Technical parameters of of PM VSD screw air compressor

Model	Power	Air displacement / Discharge pressure(m3.min/Mpa)			Dimension	Pipe Diameter	Weight
Model	（KW）	Air displacement / Discharge pressure(m3.min/Mpa)			(L×W×H)mm	Pipe Diameter	(kg)
DSPM-10A	7.5	1.2/0.7	1.1/0.8	0.95/1.0	720600820	G3/4	150
DSPM-15A	11	1.7/0.7	1.6/0.8	1.4/1.0	9707501000	G3/4	230
DSPM-20A	15	2.4/0.7	2.2/0.8	2.0/1.0	9707501000	G3/4	260
DSPM-30A	22	3.8/0.7	3.5/0.8	3.2/1.0	12008501100	G1"	340
DSPM-40A	30	5.2/0.7	5.0/0.8	4.3/1.0	12008501100	G1 1/4"	420
DSPM-50A	37	6.4/0.7	6.1/0.8	5.7/1.0	13509501225	G1 1/2"	490
DSPM-60A	45	8.0/0.7	7.7/0.8	7.0/1.0	13509501225	G1 1/2"	580
DSPM-75A	55	10.5/0.7	9.8/0.8	8.7/1.0	165011701440	G2"	920
DSPM-100A	75	13.6/0.7	13.3/0.8	11.6/1.0	180012001570	G2"	980
DSPM-125A	90	16.3/0.7	16.0/0.8	14.6/1.0	180012001570	G2"	1050
DSPM-150A	110	20.8/0.7	20.6/0.8	17.0/1.0	238016501900	DN65	1850
DSPM-180A	132	24.8/0.7	24.0/0.8	20.6/1.0	238016501900	DN65	1900
DSPM-220A	160	28.5/0.7	27.0/0.8	23.2/1.0	290018001950	DN80	2800
DSPM-250A	185	32.5/0.7	30.2/0.8	27.0/1.0	290018001950	DN80	3000
DSPM-270A	200	34.5/0.7	33.5/0.8	32/1.0	290018001950	DN80	3100
DSPM-300A	220	38.6/0.7	36.4/0.8	33.1/1.0	325020002100	DN100	3600
DSPM-340A	250	43.9/0.7	42.5/0.8	38.8/1.0	325020002100	DN100	4000

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