A novel direct torque control strategy for interior permanent magnet synchronous motors driven by a three-level simplified neutral point clamped inverter

2016 ◽  
Author(s):  
Tung Ngo ◽  
Gilbert Foo ◽  
Craig Baguley ◽  
Deepu Mohan ◽  
Zhang Xinan
Keyword(s):  
Permanent Magnet ◽  
Control Strategy ◽  
Direct Torque Control ◽  
Neutral Point ◽  
Torque Control ◽  
Permanent Magnet Synchronous Motors ◽  
Synchronous Motors ◽  
Torque Control Strategy ◽  
Interior Permanent Magnet

scholarly journals Discrete Current Control Strategy of Permanent Magnet Synchronous Motors

2013 ◽  
Vol 2013 ◽  
pp. 1-9
Author(s):  
Yan Dong ◽  
Kai Jing ◽  
Hexu Sun ◽  
Yi Zheng
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Control Strategy ◽  
Direct Torque Control ◽  
Current Control ◽  
Torque Control ◽  
Rotating Magnetic Field ◽  
Permanent Magnet Synchronous Motors ◽  
Magnetomotive Force ◽  
Synchronous Motors

A control strategy of permanent magnet synchronous motors (PMSMs), which is different from the traditional vector control (VC) and direct torque control (DTC), is proposed. Firstly, the circular rotating magnetic field is analyzed on the simplified model and discredited into stepping magnetic field. The stepping magnetomotive force will drive the rotor to run as the stepping motor. Secondly, the stator current orientation is used to build the control model instead of rotor flux orientation. Then, the discrete current control strategy is set and adopted in positioning control. Three methods of the strategy are simulated in computer and tested on the experiment platform of PMSM. The control precision is also verified through the experiment.

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