This paper describes the DC bus regulation control algorithm for the NASA flywheel energy storage system during charge, charge reduction and discharge modes of operation. The algorithm was experimentally verified with results given in a previous paper. This paper presents the necessary models for simulation with detailed block diagrams of the controller algorithm. It is shown that the flywheel system and the controller can be modeled in three levels of detail depending on the type of analysis required. The three models are explained and then compared using simulation results.
Document ID: 20030016686. E-13579-1/REV1. NASA/TM-2002-211897/REV1. NAS 1.15:211897/REV1. Rept-02PSC-61/REV1. Power Systems Conference; 29-31 Oct. 2002; Coral Springs, FL; United States.
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