Virtual and actual dq-axis under virtual position-offset injection. (IMAGE)
Caption
The concept of virtual position offset injection is to virtually apply a position offset to current and voltage measurements to effectively cancel the influence from winding temperature rise and inverter deadtime effect. Without loss of generality, let the position-offset be ε and the relation between the actual and virtual dq-axis is presented in this figure.
Credit
CES Transactions on Electrical Machines and Systems
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License
CC BY-NC