Complaint
GreeF company supply variety of permaent magent generators which is suitable for driven by following equipment to
1. Rare earth Nd-Fe-B permanent magnet generator. energy save energy more than 15% than ordinary generators.
2. Permanent magnet rotor structure, no excitation winding, no carbon brushes, no slip rings, no need gear box.
Simple structure, reliable ,durable and Maintenance free.
3. Multi poles design, improve the frequency and efficiency of rectifiers and inverters. Saving cost .
4. Started directly, without control cabinet, replace the asynchronous motor totally.
5. H class insulation, vacuum pressure impregnation.
6. Use NSK bearings
7. Power factor close to 1,no need add power factor compensation equipment.
8. Small heat, aslo can add fan cooling or water cooling
9. Long life time >20years, Strong rotors, could run at high speed.24hours 365days running.
10. Energy-saving, return investment within 1-2years.
Technical Data
Generator type : Pemanent Magnet Synchronous Direct drive 3Phase AC
Customized Voltage, Speed, Power ,Frequency.
Customized shaft size ,Spline shaft, biaxial extension, flange can be used.
Varity structures design : vertical axes, horizontal axes, internal rotor, external rotor, plate type.
Greef company supply modified kinds of Coreless Disk Magnetic Motor Generator main model as follow:
GDG-1KW 150RPM
GDG-1KW 180RPM
GDG-2KW 120RPM
GDG-2KW 180 RPM
GDG-3KW 100RPM
GDG-3KW 180RPM
GDG-5KW 100RPM
GDG-5KW 150RPM
GDG-10KW 100RPM
GDG-10KW 150RPM
Techinical Information
| Model | GDG-0.5KW-200 | GDG-1KW-180 | GDG-1KW-200 | GDG-2KW-120 | GDG-2KW-180 |
| Rated Power | 0.5KW | 1KW | 1KW | 2KW | 2KW |
| Rated Rotate Speed | 200 RPM | 180RPM | 200RPM | 120RPM | 180RPM |
| Rated Voltage | 56Vac | 56Vac | 56Vac | 115Vac | 115Vac |
| Rated Current | 9A | 12A | 17.9A | 10A | 17.4A |
| Efficiency | >85% | ||||
| Wending Method | Y | ||||
| Insulating Resistance | 100Mohm Min(500V DC) | ||||
| Leakage Level | <5 ma | ||||
| Start Torque | <0.1N/M | <0.3 N/M | <0.3 N/M | <0.5 N/M | <0.3 N/M |
| Phase Type | 3 Phase | ||||
| Structure | Out rotor | ||||
| Stator | Coreless wire coil | ||||
| Rotor | Rare Earth Permanent Magnet | ||||
| Generator Shell Diameter | 320 | 380 | 380 | 550 | 450 |
| Generator Shell Length | 232 | 241 | 241 | 330 | 258 |
| Weight | 20 | 32 | 32 | 75 | 51 |
| Shaft drameter | 45 | 50 | 50 | 78 | 59 |
| Generator shell material | Aluminum alloy | ||||
| Shaft material | Carbon steel | ||||
| Bearing | Deep groove ball bearing | ||||
| Model | GDG-3KW-100 | GDG-3KW-180 | GDG-5KW-100 | GDG-5KW-150 | GDG-10KW-100 |
| Rated Power | 3KW | 3KW | 5KW | 6KW | 10KW |
| Rated Rotate Speed | 100RPM | 180RPM | 100RPM | 150RPM | 100RPM |
| Rated Voltage | 380VAC | 380VAC | 380VAC | 380VAC | 400VAC |
| Rated Current | 4.6A | 4.7A | 7.6A | 15.2A | 14.5A |
| Efficiency | >85% | >85% | >88% | >88% | >88% |
| Wending Method | Y | Y | Y | Y | Y |
| Insulating Resistance | 100Mohm Min(500V DC) | 100Mohm Min(500V DC) | 100Mohm Min(500V DC) | 100Mohm Min(500V DC) | 100Mohm Min(501V DC) |
| Leakage Level | <5 ma | <5 ma | <5 ma | <5 ma | <5 ma |
| Start Torque | <1 N/M | <0.5 N/M | <0.5 N/M | <1 N/M | <1N/M |
| Phase Type | 3 Phase | 3 Phase | 3 Phase | 3 Phase | 3 Phase |
| Structure | Out rotor | Out rotor | Out rotor | Out rotor | Out rotor |
| Stator | Coreless wire coil | Coreless wire coil | Coreless wire coil | Coreless wire coil | Coreless wire coil |
| Rotor | Rare Earth Permanent Magnet | Rare Earth Permanent Magnet | Rare Earth Permanent Magnet | Rare Earth Permanent Magnet | Rare Earth Permanent Magnet |
| Generator Shell Diameter | 620 | 550 | 700 | 620 | 770 |
| Generator Shell Length | 410 | 330 | 400 | 410 | 590 |
| Weight | 110 | 65 | 125 | 110 | 245 |
| Shaft drameter | 80 | 78 | 98 | 80 | 85 |
| Generator shell material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy |
| Shaft material | Carbon steel | Carbon steel | Carbon steel | Carbon steel | Carbon steel |
| Bearing | Deep groove ball bearing | Deep groove ball bearing | Deep groove ball bearing | Deep groove ball bearing | Deep groove ball bearing |
Test Picture
Drawing
1. Alternator for wind generator use inner foam protection outer Plywooden case .
2. Pakage size and weight please refer to our sales.
3. Shipping by sea with FCL LCL or by air .
If you have any request in package and shipping please tell our sales we will do according to your request.
Generators are free 3 years warranty, All lifelong technical support and part cost supply.
(1) The warranty period is start from the date of shipment which show on the bill of loading or air waybill.
(2) Free maintenance services during the warranty period the cost involved be borne by the company, do not charge a fee to customers, free warranty if any damage outside the warranty period, the company will charge a fee for labor costs and materials.
(3) the warranty period, company's quality problems caused by the maintenance of the freight borne by the company, if not under warranty or man-made damage, the freight charges by the customer.
If you want to know more information about our products and service, please contact:
