Fig. 2. Block diagram of voltage closed-loop FW control strategy by dual regulators. (a) D-axis current regulation. (IMAGE)

CES Transactions on Electrical Machines and Systems

Fig. 2. Block diagram of voltage closed-loop FW control strategy by dual regulators. (a) D-axis current regulation.

Caption

The dual-regulator control is consistent with MTPA control, allowing for stable and smooth switching between the two control strategies. The most widely used method is the d-axis current regulation method [58]-[60]. As shown in Fig. 2(a), the d-axis current, which weakens the permanent magnetic flux, is obtained by a PI controller. Research on dual-regulator FW control methods can be summarized into three main directions: application of OVM strategies, controller parameter design, and disturbance suppression. https://doi.org/10.30941/CESTEMS.2024.00043

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CES Transactions on Electrical Machines and Systems (CES TEMS)

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