Optimization of induction motor efficiency: Volume 2, Single-phase induction motors: Final report
Technical Report
·
OSTI ID:6508230
The optimal design of the motor dimensions, the capacitance of the run capacitor, the winding distribution and the choice of the electrical steel are the most important sources for an improvement of the efficiency of modern single-phase induction motors for given performance and material cost constraints. The formulation of the techniques which realize this optimization is based on nonlinear programming approaches. The Method of Boundary Search Along Active Constraints is used for the optimal design of the motor dimensions of a commercially available 2 hp, 115 V single-phase induction motor. Based on the optimization results due to the above mentioned four optimization components, the relationships between efficiency, power factor, cost, active materials and the values of the capacitance of the run capacitor are studied and the limited validity of the model law is discussed. This report also explains why the Wanlass retrofit improves efficiency and details the advantages and disadvantages of such a retrofitting as compared with the operation in the standard configuration.
- Research Organization:
- Colorado Univ., Boulder (USA). Dept. of Electrical and Computer Engineering; Electric Power Research Inst., Palo Alto, CA (USA)
- OSTI ID:
- 6508230
- Report Number(s):
- EPRI-EL-4152-Vol.2; ON: TI87920441
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
42 ENGINEERING
420200* -- Engineering-- Facilities
Equipment
& Techniques
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
ALLOYS
CAPACITORS
COMPUTER CODES
COMPUTER-AIDED DESIGN
COST
DIMENSIONS
EFFICIENCY
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ENERGY CONSERVATION
ENERGY EFFICIENCY
EQUIPMENT
EQUIVALENT CIRCUITS
IRON ALLOYS
IRON BASE ALLOYS
MAGNETIC FLUX
MATHEMATICAL MODELS
MOTORS
O CODES
PERFORMANCE
POWER FACTOR
STEELS
TORQUE
320303 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
42 ENGINEERING
420200* -- Engineering-- Facilities
Equipment
& Techniques
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
ALLOYS
CAPACITORS
COMPUTER CODES
COMPUTER-AIDED DESIGN
COST
DIMENSIONS
EFFICIENCY
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ENERGY CONSERVATION
ENERGY EFFICIENCY
EQUIPMENT
EQUIVALENT CIRCUITS
IRON ALLOYS
IRON BASE ALLOYS
MAGNETIC FLUX
MATHEMATICAL MODELS
MOTORS
O CODES
PERFORMANCE
POWER FACTOR
STEELS
TORQUE