Structural Composites Industries 4 kilowatt wind system development. Phase I: design and analysis, technical report
A 4 kW small wind energy conversion system (SWECS) has been designed for residential applications in which relatively low (10 mph) mean annual wind speeds prevail. The objectives were to develop such a machine to produce electrical energy at 6 cents per kWh while operating in parallel with a utility grid or auxiliary generator. The Phase I effort began in November, 1979 and was carried through the Final Design Review in February 1981. During this period extensive trade, optimization and analytical studies were performed in an effort to provide the optimum machine to best meet the objectives. Certain components, systems and manufacturing processes were tested and evaluated and detail design drawings were produced. The resulting design is a 31-foot diameter horizontal axis downwind machine rated 5.7 kW and incorporating the following unique features: Composite Blades; Free-Standing Composite Tower; Torque-Actuated Blade Pitch Control. The design meets or exceeds all contract requirements except that for cost of energy. The target 6 cents per kWh will be achieved in a mean wind speed slightly below 12 mph instead of the specified 10 mph.
- Research Organization:
- Structural Composites Industries, Azusa, Ca.
- Sponsoring Organization:
- USDOE Wind Energy Technology
- DOE Contract Number:
- AC04-76DP03533
- OSTI ID:
- 5346402
- Report Number(s):
- RFP-3266/2; ON: DE82013677
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
17 WIND ENERGY
170602* -- Wind Energy Engineering-- Turbine Design & Operation
AVAILABILITY
CAPITALIZED COST
COMPOSITE MATERIALS
CONTROL SYSTEMS
COST
DESIGN
ELECTRIC GENERATORS
FAILURE MODE ANALYSIS
MACHINERY
MAINTENANCE
MATERIALS
MECHANICAL STRUCTURES
OPERATING COST
OPTIMIZATION
POWER RANGE 1-10 KW
RESIDENTIAL SECTOR
ROTORS
SAFETY
STRESS ANALYSIS
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
TESTING
TOWERS
TURBINE BLADES
TURBINES
TURBOMACHINERY
WIND TURBINES
170602* -- Wind Energy Engineering-- Turbine Design & Operation
AVAILABILITY
CAPITALIZED COST
COMPOSITE MATERIALS
CONTROL SYSTEMS
COST
DESIGN
ELECTRIC GENERATORS
FAILURE MODE ANALYSIS
MACHINERY
MAINTENANCE
MATERIALS
MECHANICAL STRUCTURES
OPERATING COST
OPTIMIZATION
POWER RANGE 1-10 KW
RESIDENTIAL SECTOR
ROTORS
SAFETY
STRESS ANALYSIS
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
TESTING
TOWERS
TURBINE BLADES
TURBINES
TURBOMACHINERY
WIND TURBINES