Page 269 - Rashid, Power Electronics Handbook
P. 269

258                                                                                           J. Espinoza
























































               FIGURE 14.47  The ASD based on a VSI. Motoring to regenerative operating mode transition: (a) dc bus current; (b) ac line motor voltage; (c) ac
               phase motor voltage; (d) motor line current and back emf; (e) shaft power.





















                                           FIGURE 14.48  The ASD based on a VSI. Burning resistor strategy.
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