Analysis and Enhancement of Low-Voltage Ride-Through Capability of Brushless Doubly Fed Induction Generator

Abstract

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Dual Stator Winding Induction Machine: Problems, Progress, and Future Scope

“…Considering the detailed geometry of the machine and the slot number, the derived magnetic circuit model (MCM) is found to be successful in predicting the performance of the machine accurately. The results computed from derived MCM model matches with that computed from the FEA model [92].…”

“…Low Voltage Ride Through (LVRT) capability of the drive is investigated in [92]- [94]. Voltage sags result in sudden change in power winding flux and can cause large transient currents in control winding.…”

Flux-Angle-Difference Feedback Control for the Brushless Doubly Fed Machine

“…With the exhaustion of resources and deterioration of the global environment, it is an exceptionally urgent task to exploit all kinds of new energy, one of which is wind energy [1][2][3]. Nowadays, the doubly fed machine has become the most widely used in wind farms because it uses a fractionally rated inverter to achieve variable-speed operation.…”

Internal Model Current Control of Brushless Doubly Fed Induction Machines

“…In addition, the above controllers are designed based on the CW resistance of the BDFIM, which is impossible to measure accurately. Simple controller is designed by neglecting the rotor resistance [20], but effects of the rotor resistance on the current controller of the BDFIM are not taken into accounts, which inevitably reduces the control performance [21][22][23].…”