Abstract
The technology of Ship Shaft Power Generation System (SSPGS) is an effective way to save energy, Compared to the traditional SSPGS, the shaft power generation systems based on BDFG has the advantages of smaller capacity of the inverter, lower capital operational costs and higher reliability. In order to utilize rationally the resources, the paper analyses the ship operating mode, and presents the control strategy when the system working at grid-connected mode. The proposed vector control method is developed on the power winding (PW) stator flux frame and can be used to control both the active and reactive power on the grid-connected mode. The generator model and the control system are developed in Matlab/Simulink. The results show that the control strategy has good dynamic performance when the ship speed and power are change.
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