Qingdao Greef New Energy Equipment Co., Ltd
| Packaging Details | Foam+plywooden case |
| Delivery Time | 25 working days |
| Payment Terms | T/T, Western Union, MoneyGram, L/C |
| Supply Ability | Supply Ability |
| Phase Type | 3 |
| Generator Type | 3 Phase AC Permanent Magnet |
| power | 0.1kw-20kw |
| Start Torque | <1 N/M |
| Structure | Outer Rotor/inner Rotor |
| Voltage Range | 12-450V |
| Portection Grade | IP 54 |
| speed | 100-500RPM |
| Brand Name | Greef |
| Model Number | GDG |
| Place of Origin | Qingdao |
| Certification | CE |
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Product Specification
| Packaging Details | Foam+plywooden case | Delivery Time | 25 working days |
| Payment Terms | T/T, Western Union, MoneyGram, L/C | Supply Ability | Supply Ability |
| Phase Type | 3 | Generator Type | 3 Phase AC Permanent Magnet |
| power | 0.1kw-20kw | Start Torque | <1 N/M |
| Structure | Outer Rotor/inner Rotor | Voltage Range | 12-450V |
| Portection Grade | IP 54 | speed | 100-500RPM |
| Brand Name | Greef | Model Number | GDG |
| Place of Origin | Qingdao | Certification | CE |
| High Light | 100-500RPM Coreless Permanent Magnet Generator ，Aluminum Alloy Coreless Permanent Magnet Generator ，12-450V Coreless Permanent Magnet Generator | ||
An axial flux ironless core generator is a unique type of generator that utilizes an axial flux design and an ironless core structure to generate electricity. Unlike conventional generators that suffer from iron core losses and hysteresis losses, the axial flux ironless core generator is designed to avoid these inefficiencies.
The axial flux ironless core generator primarily consists of permanent magnets, coils, and casing. The permanent magnets are responsible for generating the magnetic field, while the coils are responsible for capturing the energy in the magnetic field and converting it into electrical energy. The casing provides the internal structure of the generator with a sturdy support and prevents any potential damage to the generator.
The principle of operation of an axial flux coreless generator is based on the concept of electromagnetic induction. As a magnetic field that is generated by a permanent magnet moves relative to a conductor in a coil, an induced electromotive force gets generated in the conductor. This electromotive force can further be converted into electrical energy, thus providing power for external devices.
Axial flux coreless generators have shown significant potential in wind power generation, particularly in megawatt-class wind turbines. These generators can increase the output density and improve the overall efficiency of wind power generation. Furthermore, the absence of an iron core reduces iron losses and hysteresis losses, which further improves the efficiency of the generator.
Axial flux coreless generators are also widely used in various renewable energy applications, such as solar and wind power generation systems. These generators are favored due to their capability to efficiently convert energy and reliable operation. Hence, they are an ideal choice for renewable energy generation systems.
Axial flux coreless generators can also be used in various industrial applications that require efficient, lightweight, and reliable power supply. For example, these generators can be utilized as a backup power source or auxiliary power supply to provide stable power support to industrial equipment.
The axial flux ironless core generator has a flexible structure and can be customized according to specific customer requirements. Parameters such as generator power, speed, and output voltage can be adjusted to meet the different application scenario needs.
| 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 | 4.6 | 4.7 | 7.6 | 15.2 | 14.5 |
| 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 |
1. Generator use inner foam protection outer Plywooden case .Generator shaft use pipe protection.
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.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2014
Total Annual:
2.5 Million-5 Million
Employee Number:
70~100
Ecer Certification：
Verified Supplier
GREEF NEW ENERGY is global supplier which focus on Wind ,Solar and Hydro generation system solution . We provide customized system solution which suitable for offf-grid , grid-tied and hybrid system for renewable energy system. GREEF own our own factory manufacture permanent magnet generator... GREEF NEW ENERGY is global supplier which focus on Wind ,Solar and Hydro generation system solution . We provide customized system solution which suitable for offf-grid , grid-tied and hybrid system for renewable energy system. GREEF own our own factory manufacture permanent magnet generator...
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