Disturbance-Observer-Based Direct Torque Control of Five-Phase Permanent Magnet Motor Under Open-Circuit and Short-Circuit Faults

2020 ◽  
pp. 1-1
Author(s):  
Huawei Zhou ◽  
Jinhui Xu ◽  
Cheng Chen ◽  
Xiange Tian ◽  
Guohai Liu
Keyword(s):  
Permanent Magnet ◽  
Disturbance Observer ◽  
Short Circuit ◽  
Direct Torque Control ◽  
Open Circuit ◽  
Torque Control ◽  
Permanent Magnet Motor

DTC of Three-Phase PM BLAC Motor Having One Phase Open-Circuit Fault with Current Model Flux Estimator

2012 ◽  
Vol 433-440 ◽  
pp. 2556-2560
Author(s):  
Kasem Utaikaifa
Keyword(s):  
Permanent Magnet ◽  
Current Model ◽  
Direct Torque Control ◽  
Design Procedure ◽  
Open Circuit ◽  
Measured Data ◽  
Torque Control ◽  
Three Phase ◽  
Control Topology

Direct torque control (DTC) of three-phase permanent magnet brushless AC (PM BLAC) motor having one phase open-circuit fault (OPOF) is presented. Torque and flux linkages of the faulty motor are estimated by proposed estimators. Control topology, voltage vectors and design procedure are described. Simulated results show that the proposed topology can be operated under fault situation at rated torque and speed operation. Performances of the system are validated by the measured data.

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