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http://dx.doi.org/10.6113/TKPE.2022.27.1.18

Closed Type Initial Starting Algorithm for PMSM Sensorless Control Using Integrated Speed Angle  

Park, Seong-Myeong (Dept. of Electrical Engineering, Incheon National University)
Kim, Joohn-Sheok (Dept. of Electrical Engineering, Incheon National University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.27, no.1, 2022 , pp. 18-25 More about this Journal
Abstract
The cold staring issue of permanent magnet synchronous motors (PMSM) is a chronic problem in the field of PMSM sensorless drives. A traditional starting method, called the I-F method, is widely adopted because of its simple structure. However, when using this method, the pre-defined magnitude and frequency of the starting current should be changed according to the condition of the load and machine inertia. In this paper, a smart and simple algorithm for the cold starting of PMSM is proposed. In the proposed method, an integrated control angle from the estimated electrical rotor speed is used for vector control such as the indirect vector control of the induction machine. Thus, very stable cold starting is performed regardless of the machine load condition or inertia changing.
Keywords
Motor control system; Sensorless vector control; Sensorless start up method;
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