10 - 750 Hp PM VSD Screw Air Compressor-Elang

10 – 750 Hp PM VSD Screw Air Compressor

Motor Power: 7.5 – 560 kw
Working Pressure: 7 – 12.5 bar
Air Delivery: 0.28 – 102 m3/min

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The permanent magnet synchronizing variable frequency compressor is a highly advanced and efficient compressor that incorporates the latest technology in its design. Only a few advanced countries and zones in the world currently possess this technology. It represents a high-end trend for future compressor development, as it has broken through traditional concepts of compressor design and incorporates sophisticated and energy-saving technical factors.

What are the differences between PM air compressors and traditional air compressors?

Energy efficiency: PM air compressors use permanent magnet motors that are more energy-efficient than induction motors used in traditional compressors. This means they consume less electricity to produce the same amount of compressed air, resulting in lower energy bills.
Compact size: PM air compressors are smaller and lighter than traditional compressors, making them easier to install and transport. They also take up less space in your facility, freeing up valuable floor space for other equipment.
Low noise levels: PM air compressors operate at significantly lower noise levels compared to traditional compressors, which can be important in noise-sensitive environments.
Maintenance-free operation: With fewer moving parts and simplified design, PM air compressors require less maintenance than traditional compressors. This can result in reduced downtime and increased productivity.
High reliability: PM air compressors typically have a longer lifespan due to their durable construction and simple design. This means you can rely on them for continuous operation without worrying about frequent breakdowns or costly repairs.

Advantages:

PM motor has 2~ to 7% higher working efficiency than three-phase asynchronous motor. No matter in underloading or overloading conditions, PM compressors keep high working efficiency while three-phase asynchronous motor will have fluctuant efficiency according to the loading conditions. Therefore, compressors with PM motor will save 8% to 30% energy than those with three-phase asynchronous motor.Specialized PM motor has power factor large than 0.95, even close to 1 in some models. Moreover, PM compressors are installed with frequency converter to realize variable frequency starting and decrease the impact to compressor unit and power grid during starting, so as to save operation costs.

1.servo air compressor is a modern new technology air compressor with novel and beautiful appearance.
2.Internally efficient, energy saving!
3.Small machine size, Silent ,durable and run smoothly!
4.Save many troubles of regular maintenance and replacement.

How To Save Energy?
1)The efficiency of the PM motor is always maintained at the level of about 0.95, the power factor is close to 1, and it is increased by 5%-10% compared with the same specifications of the asynchronous motor . The motor is always maintained high efficiency whatever at a light or heavy loads.

2)Variable Frequency start, reducing the energy consumption of air compressor start, a substantial reduction in starting current and maximum power load, saving a lot of electricity, allowing unlimited start and stop, and does not affect the motor life.

3)The comprehensive energy saving of servo air compressor reach the rate of 20% -35%, power saving is considerable. Machine efficiency is more 12% to 18% than ordinary air compressor, and it belongs to IE3 energy efficiency standards,The increasing purchase cost is generally recovered within 1 year!

Example: Rated power 30kW screw air compressor

If 16 hours a day/5600 hours a year. Electricity payment is 0.16USD per KW/H, SF=1.2:
Normal screw compressor has three losses:
A.Unload loss
B.Pressure loss
C.Motor efficiency loss

Calculation As Follows:
A. Unload loss=25% unloading time*The loss of the current load during no-load time (45%):
Unload loss=0.25*(0.45*1.2*30*5600)*0.16= 3628.8 USD/Year
B. Pressure loss=75% loading time* The loss of the pressure loss(2bar/14%)
Pressure loss=0.75*(0.14*1.2*30*5600)*0.16=3386.88USD/Year
C. Motor efficiency loss: 30kw The servo motor is about 5% higher than the normal motor:
motor efficiency loss=30*1.2*5600*0.05*0.16=1612.8USD/Year
Total cost savings: 3628.8+3386.88+1612.8=8628.48USD/Year
Total cost of normal 30kw air compressor: Cost of 75% loading time + Cost 25% unloading time
=0.75*1.2*30*0.16*5600+0.25*0.45*1.2*30*0.16*5600
=27820.8USD/Year
Power saving reached:8628.48/27820.8=31%

Application

Project

4 Units of 280kw 8bar PM Screw Air Compressor for Thermal Power Plant

11 Units of Water Cooling PM VSD Air Compressors

Water Cooling Customize PM VSD Air Compressors

3 Units of Elang 330HP Screw Compressor for Chemical Industry

Model	Working Pressure		Air Delivery		Motor Power	Dimension(mm)			Weight	Output pipe iameter
	psig	bar	cfm	m³/min	Kw/hp	L	W	H	Kg
ERC-10SA	100	7	15.5 – 38.8	0.44 – 1.1	7.5/10	850	640	880	350	3/4″
	116	8	14.1 – 35.3	0.4 – 1.0
	145	10	12.0 – 30.3	0.34 – 0.85
	181	12.5	9.9 – 24.7	0.28 – 0.7
ERC-15SA	100	7	25.4 – 63.6	0.72-1.8	11/15	1150	750	1180	450	3/4″
	116	8	24.7-58.3	0.7-1.65
	145	10	21.2-53.0	0.6-1.5
	181	12.5	18.4-45.9	0.52-1.3
ERC-20SA	100	7	33.9 – 84.7	0.96 – 2.4	15/20	1150	750	1180	460	3/4″
	116	8	31.7 – 77.6	0.88 – 2.2
	145	10	29.7 – 74.2	0.84 – 2.1
	181	12.5	25.4 – 63.6	0.72 – 1.8
ERC-25SA	100	7	47.8-109.5	1.2-3.1	18.5/25	1200	850	1280	665	1 1/4″
	116	8	41.0-102.4	1.2-2.9
	145	10	38.1-95.3	1.1-2.7
	181	12.5	32.5-81.2	0.9-2.3
ERC-30SA	100	7	53.7-134.2	1.5-3.8	22/30	1200	850	1280	665	1 1/2″
	116	8	50.8-127.1	1.4-3.6
	145	10	45.2-113.0	1.3-3.2
	181	12.5	39.5-88.3	1.1-2.8
ERC-40SA	100	7	74.9-187.1	2.1-5.3	30/40	1450	1000	1465	1110	1 1/2″
	116	8	70.6-176.6	2.0-5.0
	145	10	60.7-151.8	1.7-4.3
	181	12.5	50.8-127.1	1.4-3.6
ERC-50SA	100	7	93.2-233.0	2.6-6.6	37/50	1450	1000	1465	1110	1 1/2″
	116	8	87.6-218.9	2.5-6.2
	145	10	80.5-201.3	2.3-5.7
	181	12.5	65.0-162.4	1.8-4.6
ERC-60SA	100	7	113.0-282.5	3.2-8.0	45/60	1450	1000	1465	1750	1 1/2″
	116	8	108.8-271.9	3.1-7.7
	145	10	94.6-243.6	2.7-6.7
	181	12.5	84.7-211.9	2.4-6.0
ERC-75SA	100	7	148.3-370.8	4.2-10.5	55/75	2100	1250	1700	1750	2″
	116	8	138.4-346.0	3.9-9.8
	145	10	122.9-307.2	3.5-8.7
	181	12.5	103.1-257.8	2.92-7.3
ERC-100SA	100	7	192.1-480.2	5.4-13.6	75/100	2100	1250	1700	1840	2″
	116	8	183.6-459.0	5.2-13.0
	145	10	159.6-399.0	4.5-11.3
	181	12.5	142.7-356.6	4.0-10.1
ERC-120SA	100	7	228.8-572.0	6.5-16.2	90/120	2170	1320	1750	2030	2″
	116	8	217.5-543.8	6.2-15.4
	145	10	186.4-466.1	5.3-13.2
	181	12.5	158.2-395.5	4.5-11.2
ERC-150SA	100	7	293.8-734.45	8.3-20.8	110/150	2545	1500	1900	3100	DN65
	116	8	275.4-688.5	7.8-19.5
	145	10	233.0-582.6	6.6-16.5
	181	12.5	193.5-483.7	5.5-13.7
ERC-175SA	100	7	339.0-847.4	9.6-24	132/175	2545	1500	1900	3400	DN65
	116	8	324.9-812.1	9.2-23
	148	10	282.5-706.2	8-20
	181	12.5	218.9-547.3	6.2-15.5
ERC-200SA	100	7	392.6-981.6	11.1-27.8	160/200	2545	1500	1900	3400	DN65
	116	8	367.2-918.1	10.4-26
	148	10	331.9-829.8	9.4-23.5
	181	12.5	275.4-688.5	7.8-19.5
ERC-250SA	100	7	459.0-1147.6	13-32.5	185/250	2790	1550	2000	3780	DN65
	116	8	437.84-1094.6	12.4-31
	148	10	367.2-918.1	10.4-26
	181	12.5	305.1-762.7	8.6-21.6
ERC-270SA	100	7	487.3-1218.2	13.8-34.5	200/270	2850	1700	2000	4400	DN80
	116	8	466.1-1165.2	13.2-33
	148	10	9395.5-88.7	11.2-28
	181	12.5	331.9-829.8	9.4-23.5
ERC-300SA	100	7	536.7-1341.8	15.2-38	220/300	3150	2000	2120	4930	DN100
	116	8	515.5-1288.8	14.6-36.5
	148	10	452.0-1129.9	12.8-32
	181	12.5	381.4-953.4	10.8-27
ERC-330SA	100	7	1517.9-1518.3	17.2-43	250/330	3150	2000	2120	5450	DN100
	116	8	572.0-1430.1	16.2-40.5
	148	10	515.5-1288.8	14.6-36.5
	181	12.5	452.0-1129.9	12.8-32
ERC-375SA	100	7	727.4-1818.5	20.6-51.5	280/375	4000	2000	2100	6150	DN125
	116	8	706.2-1765.5	20-50
	148	10	635.6-1589.0	18-45
	181	12.5	522.6-1306.5	14.8-37
ERC-420SA	100	7	791.0-1977.4	22.4-56	315/420	4600	2300	2400	7500	DN125
	116	8	776.8-1942.1	22-55
	148	10	692.1-1730.2	19.6-49
	181	12.5	579.1-1447.7	16.4-41
ERC-470SA	100	7	903.9-2259.8	25.6-64	355/470	4600	2300	2400	8100	DN150
	116	8	875.7-2189.2	24.8-62
	148	10	762.7-1906.7	21.6-54
	181	12.5	649.7-1624.3	18.4-46
ERC-550SA	100	7	1031.0-2577.6	29.2-73	400/550	5000	2350	2400	8400	DN150
	116	8	988.7-2471.7	28-70
	148	10	861.6-2153.9	24.4-61
	181	12.5	734.4-1836.1	20.8-52
ERC-600SA	100	7	1144.0-2860.1	32.4-81	450/600	5500	2590	2800	9000	DN150
	116	8	1115.8-2789.5	31.6-79
	148	10	988.7-2471.7	28-70
	181	12.5	833.3-2083.3	23.6-59
ERC-670SA	100	7	1257.0-3142.6	35.6-89	500/670	5500	2590	2800	9500	DN200
	116	8	1228.8-3072.0	34.8-87
	148	10	1087.6-2718.9	30.8-77
	181	12.5	946.3-2365.8	26.8-67
ERC-750SA	100	7	1440.6-3601.6	40.8-102	560/750	6500	2700	3000	10000	DN200
	116	8	1384.2-3460.4	39.2-98
	148	10	1228.8-3072.0	34.8-87
	181	12.5	1087.6-2718.9	30.8-77
Motor Efficiency Class:Ultraefficient/IE3/IE2 as per your required Motor Protection Class:IP23/IP54/IP55 or as per your required Certification:CE/ISO9001/TUV/UL/SGS/ASME Voltage:380V/3PH/50HZ/60HZ, 220V/3PH/50HZ/60HZ, 400V/3PH/50HZ/60HZ, 440V/3PH/50HZ/60HZ, 415V/3PH/50HZ/60HZ, 230V/3PH/50HZ/60HZ, dual voltage is also ok

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10 – 750 Hp PM VSD Screw Air Compressor