DocumentCode :
1674975
Title :
Optimal excitation of a high speed switched reluctance generator
Author :
Mese, Erkan ; Sozer, Yilmaz ; Kokernak, James M. ; Torrey, David A.
Author_Institution :
Dept. of Electr. Power Eng., Rensselaer Polytech. Inst., Troy, NY, USA
Volume :
1
fYear :
2000
fDate :
6/22/1905 12:00:00 AM
Firstpage :
362
Abstract :
This paper presents a new approach for controlling a switched-reluctance generator (SRG). The control objective is to produce the required power using the excitation that produces the highest efficiency. The SRG considered here operates above base speed. The turn-on and the conduction angles are the only control parameters that can be used to optimize the power conversion. The conventional control method that advances the turn-on angle as the speed increases is not enough to produce optimum performance. The turn-on and the conduction angles together are the key elements for optimal excitation. Optimization of the excitation angles is performed using a machine model based on finite element analysis. For all of the operating speeds, all possible turn-on and conduction angles are simulated to get the desired power output. The excitation angles using the minimum RMS phase currents are chosen among those that give the desired output power. The control strategy is experimentally tested using a 6 kW 5000 rpm SRG. The control algorithm is able to provide required power with very good generator efficiency
Keywords :
control system analysis; control system synthesis; exciters; finite element analysis; machine control; machine testing; machine theory; optimal control; reluctance generators; 6 kW; conduction angles; control algorithm; control objective; control parameters; control performance; control simulation; control strategy; efficiency; finite element analysis; high-speed switched reluctance generator; minimum RMS phase currents; operating speeds; optimal control design; optimal excitation; turn-on; turn-on angle; Alternators; DC generators; Finite element methods; Power engineering and energy; Power generation; Reluctance generators; Reluctance machines; Reluctance motors; Rotors; Testing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5864-3
Type :
conf
DOI :
10.1109/APEC.2000.826128
Filename :
826128
Link To Document :
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