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Shipping Options (US):
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4000 Watt (4 KW) VAWT Urban Green Wind Turbine
$23,595.00 USD (Off-Grid)
$23,595.00 USD (On-Grid)
Includes: 4KW (VAWT) Wind Generator, Charge Controller, Roof Mount or Tower & Inverter.
Individual Component Prices:
4 KW VAWT Wind Generator - $14,829.00 USD
Roof Mount (3.5M) - $4,240.00 USD
Tower (5.5M) - $3,240.00 USD
Off-Grid Inverter - $4,996.00 USD
6KW Aurora Grid-tie Inverter and Thermal kit - $5800.00 USD
Extended Warranty (1- 5 years) - $795.00 USD


(Sidemount also available - pictured above)
Urban Green Energy 4 kW 2nd Generation
Vertical Axis Wind Turbine
Energy Output: 34,560 KWh's Annually @ 12 m/s
Specifications: UGE 4.0V2
Grid-tie and Off-grid Models
Physical Parameters
|
Turbine Diameter (Widest Point):
|
2m (78")
|
|
Turbine Height:
|
3.6M (142")
|
|
Tower (Standard):
|
5.5M (18')
|
|
Turbine Weight (W/Generator):
|
190KG
|
|
Tower Weight:
|
540KG
|
|
Roof Mount Height:
|
3.5M (139")
|
|
Roof Mount Weight (Steel):
|
280KG
|
|
Roof Mount Weight (Aluminum):
|
90KG
|
Performance Parameters
|
Start-Up Wind Speed:
|
2.2m/s (5mph)
|
|
Cut-In Wind Speed:
|
3.5m/s (7.5mph)
|
|
Cut-Out Wind Speed:
|
25m/s (56mph)
|
|
Rated Wind Speed:
|
12m/s (27mph)
|
|
Max (Survival) Wind Speed:
|
50m/s (110mph)
|
Noise Levels
|
Within 3M @ <7 m/s:
|
<27 dB (A)
|
|
Within 3M @ <7 m/s:
|
<32 dB (A)
|
|
Within 3M @ <7 m/s:
|
<37 dB (A)
|
Generator
|
Type:
|
Synchronous, Permanent Magnetic, 3-Phase, 16 Poles
|
|
Rated Voltage:
|
270V
|
|
Rated Temperature:
|
<55°C
|
|
Revolutions Per Minute (RPM):
|
300r/min
|
|
Drive Type:
|
Direct-Drive
|
|
Protection:
|
IP54
|
|
Insulation:
|
Class B
|
|
Weight:
|
90KG
|
DC Controllers (Off-Grid and Grid-Tie)
Off-grid DC controller
|
Model:
|
PC Control
|
|
Power Rating(KW):
|
5
|
|
Voltage (VDC):
|
115V
|
|
Battery (Ah):
|
120/200Ah*16
|
|
Display:
|
LCD
|
|
Display Parameters:
|
Battery Voltage, Charge Current
|
|
Braking:
|
Manual and Automatic Braking
|
Grid-tie DC controller
PVI-WIND-INTERFACE_SPECS.pdf

Comes with the Aurora PVI-7200 Wind Interface Box
|
Model:
|
PVI-7200 Wind Interface Box
|
|
Maximum Output Power (@400V AC, PFC 0.7):
|
7200 W
|
|
Input Voltage Range:
|
0 - 400V AC
|
|
Input Voltage Range (MPPT Operating Range):
|
40 - 400V AC
|
|
Max. Operating Input Current:
|
16.6A
|
|
Input Over Current (Fuse Protected):
|
20A
|
|
Efficiency (@400V AC, PFC 0.7):
|
99.4%
|
|
Output Voltage Range:
|
0 - 600V DC
|
|
Output Voltage Range (Inverter Active):
|
50 - 600V DC
|
|
Output Voltage Range (@ Full Output Power):
|
360 - 600V DC
|
|
Output Power Current Rating:
|
20A
|
|
Max Current in the Brake Resistor:
|
30A
|
|
Operating Ambient Temperature:
|
-25°C to +55°C (-13°F to 140°F)
|
|
Enclosure type:
|
Nema 4X
|
|
Relative Humidity:
|
0 – 100% condensing
|
|
Audible Noise:
|
< 40dB(A)
|
|
Size (height x width x depth):
|
29 x 26 x 9.5cm
|
Inverters (Off-Grid and Grid-Tie)
Off-grid Inverter
Input (DC):
Capacity (KVA) - 6
Voltage - 120V AC
Output:
Rating Voltage - (A)
Phases - Single phase
Rating frequency (Hz) - 50/60
Over load - Overload protection
Voltage precision (V AC ) - 220V±5%
Frequency precision - ±0.1%
(THD)
Dynamic answer (0~100%) - <10%
Power factor (PF) – 0.8
Inverter efficiency - 85%
Peak value coefficient (CF)
Use Circumstance:
Voltage withstand rating (VAC) (input & output) - 1500 V for 1 min
Temperature Range ( ℃ ) - 0~45℃
Use altitude (m) - <1000m (power output will decrease
by 1% each 100m higher) Max altitude 4000m
Recommended Battery:
Quantity (PC) - 16
Capacity (AH) – 200
Grid-Tie Inverter
6_KW_AURORA_INVERTER_SPECS.pdf

Comes with the Aurora PVI-6000 grid-tie inverter
specifically designed for wind turbines.
The following specifications are for the PVI-6000-OUTD-US-W
Model – PVI-6000
Input:
Max. absolute input voltage - 600V DC
Input voltage, MPPT operating range - 50 – 580V DC
Input voltage, MPPT operating range at full power - 180 – 530V DC
Max. short circuit current - 44A DC
Max. operating input current - 36A DC
Max. input power - 8,000W
Generator ground fault protection - Ground fault detector provided
Output:
Nominal output power - 6,000W
Grid voltage, maximum range - 180 – 264V AC
Grid connection, nominal - Split phase
Grid voltage, nominal - 240 V AC
Grid voltage, operating range - 82 – 115% of nominal voltage
Grid frequency, max. Range - 47 – 63 Hz
Grid frequency, nominal - 60 Hz (50 Hz also available)
Grid frequency, operating range - 59.72 to 60.28 Hz
Nominal output current - 26 Arms
Max. output current - 30 Arms
Output over current protection - 40 Arms
Grid and anti-islanding protection - Complies with UL 1741
General Characteristics:
Maximum efficiency - 97% (96% Euro)
Internal consumption during standby - < 8W
Internal consumption during night time - < 1W
Operating ambient temperature - -25°C to +60°C*
Casing protection rating - IP65 / Nema 4X
Audible noise with internal fan on - < 50 dB(A) @ 1m
Size (height x width x depth) - 74 x 32.5 x 19cm
Weight - 27 kg (59.5 lbs
Relative Humidity- 0 – 100% condensation point
*Full power guaranteed up to ambient temperature of 40°C, as
long as unit is not exposed to direct sun radiation.
Performance Data:
| Wind Speed (m/s) |
Output (KW) |
| 2 |
128 |
| 3 |
250 |
| 4 |
436 |
| 5 |
686 |
| 6 |
1024 |
| 7 |
1458 |
| 8 |
2000 |
| 9 |
2662 |
| 10 |
3041 |
| 11 |
3456 |
| 12 |
4000 |
| 13 |
4394 |
| 14 |
4000 |
| 15 |
4000 |
| 16 |
4000 |
| 17 |
4000 |
Power Curve Chart:

1m/s = 3.6 KM/H = 2.25 MPH
Energy Output:
34,560 KWh's Annually @ rated wind speed of 12 m/s
&
2,880 Kwh's per month @ rated wind speed of 12 m/s
More Product Details:
The 4kW Vertical Axis Wind Turbine can be used in any area of good wind resource. Whether on the roof of a residential or commercial building or in a rural setting, the wind turbine provides reliable electricity for its owner.
The system includes the wind turbine, controller, roofmount or tower
and a choice of either the off-grid or grid-tie inverter.
Owners of the 4kW Vertical Axis Wind Turbine that choose the off-grid inverter may wish to add batteries for power storage for times when wind speeds are low.
Vertical axis wind turbines offer many advantages over traditional
horizontal axis wind turbines. Not only will the vertical axis wind turbine achieve higher average power output in areas where turbulent winds are present, but it is also significantly quieter than horizontal axis models.
As a result, vertical axis wind turbines work well on rooftops, making them particularly useful in residential and urban environments.