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| Overview
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|
|
| Vertical Axis Wind Turbine (VAWT) | |
| ------------------------------------------------- | |
| EY-20KW | |
| EY-30KW | |
| EY-50KW | |
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|
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| EY-HAWT 250KW | |
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|
|
Technical Specifications
Name：Vertical Axis Wind Turbine (VAWT)
Model：EY-20KW Power：20KW
 |
| Start-up wind speed | 3m/s |
| Cut-in wind speed | 4m/s |
| Rated wind speed | 11m/s |
| Cut-out wind speed | 25m/s |
| Survival wind speed | 45m/s |
| Rated rotation speed | 66~130rpm |
| Rated power | 20kW |
| Turbine | |
| Overall height |
7.5m |
| Weight (inc. blades) |
560kg |
| Base flange Diameter | 1m |
| Rotor | |
| Diameter |
7m |
| Height |
7.5m |
| Blades Number |
5 |
| Width | 0.82m |
| Material |
Aluminum Alloy |
| Weight |
232kg |
| Generator | |
| Type: | 3-phase synchronous permanent magnet generator |
| Rated voltage |
220V |
| Rated current |
90.9A |
| Peak brake current |
280A |
| Rated Power | 20kW |
| Overload 10% |
120min |
| 20% | 60min |
| 30% | 10min |
| Controller/Inverter | |
| Type |
4 - quadrants AC-DC-AC |
| Rated power | 20kW |
| Peak power |
26kW |
| Rated VDC output |
216V |
| Rated VAC output |
220~240V/50Hz, 220~240V/60Hz, 380V/50Hz/3 phases |
| Weight | 72kg |
| Integrated functions |
|
| Control | Maximum Power Point Tracker, Wind Energy/Solar Energy Input |
| Start |
Self-Start |
| Brake |
Electrical and Manual |
| Protection |
Grid failure, anti-islanding, short circuit, mechnical faults, vibrations, overload protection with dummy load |
| Overspeed protection | Two independent detection systems each triggering an independent brake action: |
| * Generator frequency measurement in the converter | |
* Generator voltage measurement on the generator terminals |
|
| Freestanding mast | |
| Height |
12m |
| Material |
Galvanised Steel |
| Diameter |
80cm |
