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The
BWC EXCEL is a modern 6.7 meter (22 ft) diameter, 10,000W wind turbine
designed for high reliability, low maintenance, and automatic operation in
adverse weather conditions. It is available in two configurations: battery charging and
grid-connected (the pumping version is not currently available). 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 48, 120
or 240 VDC. They are well suited for large rural homes, remote villages and facilities,
eco-tourism resorts, and larger telecommunications sites.
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 $21,900 to $27,900.
The BWC EXCEL is most often installed on a guyed lattice tower, which is
available in heights of 18 m (60 ft.) to 43 m (140 ft.).
Prices range from $7,400 to $12,680. Tilt-up versions of these towers are available for
sites without crane access. Non-guyed lattice type towers and
monopoles (tapered tubular) towers are also available to heights of 37 m (120
ft). Customers may also supply their own towers if they follow BWC's
technical requirements for Excel towers (see
Requirements).
The BWC EXCEL was introduced in 1983 and it has been installed at over
900 sites
around the world. We invite you to review our list of notable customers
and our example projects.
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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 for grid intertie, 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)
Go to Detailed
Technical Description of the Excel-R Turbine
Specification Sheet, Front (490 K)
Specification Sheet, Back (330 K)
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Type: 3 Blade Upwind
Rotor Diameter: 6.7 m (22 ft.)
Blade Pitch Control: None, Fixed Pitch
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 or 220 VAC, 1Ø, 50 Hz with GridTek® inverter).
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