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Bergey Wind Generators
Excel-S 10 kW Grid Tie System
Bergey WindPower Company is the world’s leading supplier of small wind turbines. With installations in all 50 States and more than 90 countries, Bergey wind turbines have proven to be the best-built and most rugged turbines available. At Bergey WindPower, we take pride in offering advanced-technology products that let homeowners generate their own clean power and that can help bring modern services and new opportunities to the world's rural poor. Our U.S. sales are booming as more and more homeowners and businesses turn to wind power to take control of their energy costs and to do their part for the environment. |
10 kW Grid-Intertie System |
Bergey wind
turbines operate at variable speed to optimize performance and reduce structural
loads. Power is generated in a direct drive, low speed, permanent magnet
alternator. The output is a 3-phase power that varies in both voltage and frequency
with wind speed. This variable power (wild AC) is not compatible with the utility
grid.  To make it compatible, the wind power is converted into grid-quality 240 VAC, single phase, 60 hertz power in an IGBT-type synchronous inverter, the GridTek Power Processor. The output from the GridTek can be directly connected to the home or business circuit breaker panel. Operation of the system is fully automatic |
| Grid-Intertie Models | Model No. | Price | |||
10 kW |
240 VAC, 60 Hz | Single-Phase, Includes GridTek 10 Inverter | BWC Excel-S/60 | $24,750 | |
| 220 VAC, 50 Hz | Single-Phase, Includes GridTek 10 Inverter | BWC Excel-S/50 | $24,750 | ||
| BWC EXCEL Wind Turbine EXCEL 7.5 KW Battery Charging |
 The BWC EXCEL is a
modern 7 meter (23 ft) diameter, 10,000W wind turbine designed for high reliability, low
maintenance, and automatic operation in adverse weather conditions. It is available in
three configurations: battery charging, water pumping, and grid-connected. The BWC
Excel is a ruggedly built turbine that comes with the longest warranty (5 years) in the
industry. Battery charging BWC EXCEL's can be supplied with outputs of 24, 48, 120 or 240 VDC. They are well suited for large rural homes, remote villages and facilities, eco-tourism resorts, and larger telecommunications sites. As a water pumper, the BWC EXCEL can be located as much as 600 m (2,000 ft) from the well to take advantage of improved wind conditions. It can replace small diesel pumps from 5 - 15 Hp for either drinking water supply or irrigation. Connected to the grid, the BWC EXCEL can provide most of the electricity for an average total electric home at moderate wind sites. The all new GridTek 10 power processor (inverter) is the most advanced in the industry and it carries a full UL certification to the latest utility standards. Prices, which include a voltage regulator, pump controller, or a line-commutated inverter, range from $17,000 to $19,500. For severe sites, an Extra-Stiff blade option is available for an additional $395. The BWC EXCEL is most often installed on a guyed lattice tower, which is available in heights of 18 m (60 ft.) to 37 m (120 ft.). Prices range from $5,000 to $7,500. Tilt-up versions of these towers are available for sites without crane access. A list of requirements for customer supplied towers is available. |
Specifications |
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| Start-up Wind Speed:
3.4 m/s (7.5 mph) Cut-in Wind Speed: 3.1 m/s (7 mph) Rated Wind Speed: 13.8 m/s (31 mph) Rated Power: 10 kW (grid & pumping), 7.5 kW for battery-charging Cut-Out Wind Speed: None Furling Wind Speed: 15.6 m/s (35 mph) Max. Design Wind Speed: 54 m/s (120 mph)
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Type:
3 Blade Upwind Rotor Diameter: 7 m (23 ft.) Blade Pitch Control: POWERFLEX® Overspeed Protection: AUTOFURL Gearbox: None, Direct Drive Temperature Range: -40 to +60 Deg. C (-40 to +140 Deg. F) Generator: Permanent Magnet Alternator Output Form: 3 Phase AC, Variable Frequency (Regulated 48 - 240 VDC after VCS-10 or 240 VAC, 1Ø, 60 Hz with GridTek® inverter). |
7.5 kW (optimized for low wind speed performance |
120/24 VDC | 24 VDC Output, Includes VCS-10/24 Charge Regulator
and 4:1 Step-Down Transformer. Peak power ~ 6.5 kW DISCONTINUED |
BWC Excel-R/24 | $20,500 |
| 120/48 VDC | 48 VDC Output, Includes VCS-10/48 Charge Regulator and 2:1 Step-Down Transformer | BWC Excel-R/48 | $20,900 | |
| 120 VDC | Includes VCS-10/120 Charge Regulator | BWC Excel-R/120 | $19,900 | |
| 240 VDC | Includes VCS-10/240 Charge Regulator | BWC Excel-R/240 | $19,900 |