Title :
Analysis of permanent magnet generator for wind power battery charging
Author :
Muljadi, Eduard ; Drouilhet, Stephen ; Holz, Richard ; Gevorgian, Vahan
Author_Institution :
Nat. Wind Technol. Center, Nat. Renewable Energy Lab., Golden, CO, USA
Abstract :
One type of wind-powered battery charging is explored in this paper. It consists of a wind turbine driving a permanent magnet alternator and operates at variable speed. The alternator is connected to a battery bank via a rectifier. The characteristic of the system depends on the wind turbine, the alternator, and the system configuration. If the electrical load does not match the wind turbine, the performance of the system will be degraded. By matching the electrical load to the wind turbine, the system can be improved significantly. This paper analyzes the properties of the system components. The effects of parameter variation and the system configuration on the system performance are investigated. Two basic methods of shaping the torque-speed characteristic of the generator are presented. The uncompensated as well as the compensated systems are discussed. Control strategies to improve the system performance are explored
Keywords :
alternators; battery chargers; permanent magnet generators; secondary cells; torque; variable speed gear; wind turbines; battery bank; compensated systems; electrical load; permanent magnet alternator; permanent magnet generator; rectifier; torque-speed characteristic shaping; uncompensated systems; variable speed; wind power battery charging; Alternators; Batteries; Magnetic analysis; Permanent magnets; Power generation; Rectifiers; System performance; Wind energy; Wind energy generation; Wind turbines;
Conference_Titel :
Industry Applications Conference, 1996. Thirty-First IAS Annual Meeting, IAS '96., Conference Record of the 1996 IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-3544-9
DOI :
10.1109/IAS.1996.557087
