Communications - Scientific Letters of the University of Zilina 2001, 3(2):68-75 | DOI: 10.26552/com.C.2001.2-3.68-75

Speed-Sensorless Stator Flux-Oriented Control of Induction Motor Drives in Traction

Manfred Depenbrock1, Andreas Steimel1, Christian Foerth2, Frank Hoffmann2, Markus Weidauer2, Stefan Koch3
1 Institute for Generation and Application of Electric Energy, Ruhr-University Bochum, Germany
2 Siemens TS GTE 3, Erlangen, Germany
3 Siemens A&D LD B E 5, Germany

Indirect Stator-Quantities Control (ISC) combines the principle of stator flux-orientation proven successful in Direct Self Control (DSC) with Pulse Width Modulation (PWM). High torque dynamics and robust behavior against input voltage disturbance are achieved in the whole operation range including field-weakening. After careful correction of inverter voltage errors the difference of the stator current space vectors in the machine and in the control model is employed for speed estimation, allowing dispensing with speed sensors. A special flux management allows an infinitely slow change between driving and braking.

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Published: September 30, 2001  Show citation

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Depenbrock, M., Steimel, A., Foerth, C., Hoffmann, F., Weidauer, M., & Koch, S. (2001). Speed-Sensorless Stator Flux-Oriented Control of Induction Motor Drives in Traction. Communications - Scientific Letters of the University of Zilina, 3(2-3), 68-75. doi: 10.26552/com.C.2001.2-3.68-75
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