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 Whisper,
a name with more than 10 years of experience in the field,
has been reengineered and launched under the Southwest Windpower
family of wind turbines. The Whisper's new look features a
cast aluminum frame and smooth, quiet operation of the patented
"angle-governor" furling design.
Whisper H40 - The
H40 is designed to operate in a site with medium to high
wind speed averages of 12 mph, 5.4 m/s, and greater. The
H40 provides 100+ kWh per month, 3.4 kWh per day, in a 12
mph average wind speed location. The H40, with its 7 ft.
(2.1m) rotor diameter and 40 sq. ft. swept area, is rugged
enough for extreme environments.
The redesigned H40 turbine incorporates a permanent magnet
brushless alternator, which  combined
with Whisper's high efficiency composite airfoil blade design,
delivers 900 watts peak power at 28 mph (12.5 m/s).
Applications
Stand-alone or hybrid Telecommunication applications, remote
home and ranch applications.
New EZ Wire
Controller
The H40
comes with the new EZ Wire II Controller that offers greater
reliability and superior control for battery charging. Its
compact, safe cabinet design features easily settable voltage
regulation points, load dump and load dump isolation from
the battery. The price of the system includes the H40 turbine
and EZ Wire II Controller.
New
Design Features - The H40 was redesigned in the fall
of 1999
- Stronger cast aluminum housing
- New
Angle-Governor provides higher maintained output while
furling
- Improved current carrying capacity
- Sealed yaw bearings
- Temperature tested from -30F to over 90F
- Temperature tested from –40°F (-40°C) to 110°F (43°C)
- Increased heat transfer for better cooling
- Blades: 3 injection-molded, fiber reinforced
Patented
Angle-Governor
Exclusive to the Whisper, the side-furling Angle-Governor protects
the turbine in high winds by turning the alternator and
blades out of the wind, reducing turbine exposure. Unlike
other wind turbines that lose as much as 80% of their output
when furled, the Angle-Governor allows the Whisper to achieve
maximum output in any wind.
EZWIRE II Controller
THE
NEW EZWIRE II is an intelligent SCR-based shunt-type
Whisper controller that includes the following features:
- Individually rectified phases (3 phase)
- Battery/Turbine/Shunt
isolation during regulation – battery bank is never connected
to shunt load.
-
Hysteresis window during regulation to maximize useful
power and keep batteries fully charged
- Potentiometer
adjustable Regulation Set point
- Ceramic
Power Resistors integrated into controller box
- Automatic
turbine over speed protection
- Battery
disconnect Auto-protection intelligence to protect turbine
from Open-Circuit operation
- Manual
Diversion/Stop Switch – enables user to divert full turbine
load to resistor bank
- 24V,
36V and 48V operation available
- Quiet
diversion-powered fan – No valuable battery energy is
used here! (24V, 36V Only)
- Large
Heat-Sink for efficient temperature dissipation
- Fully
integrated, easy to install controller - Circuitry and
Resistor Bank in one simple package!
- Metallic
enclosure designed for indoor operation in battery-bank
room
- Marine-grade
version available as an option
- Easy
access Block connectors for Turbine and Battery wires
- Bright
LED lights to inform of regulation operation and Power
ON
Specifications
| Rotor
diameter: |
7'
(2.1 meters) |
| Weight: |
47
lbs (21 kg) |
| Mount: |
2.5"
Schedule 40 |
| Start-Up
wind speed: |
7.5
mph (3.4 m/s) |
| Voltage: |
12,
24, 32, 36, 48 VDC |
| Peak
Power: |
900
Watts @ 28 mph (12.5 m/s) |
 
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