Discrete-Time Modeling of Interturn Short Circuits in Interior PMSMs - Data and Models

Project: Discrete-Time Modeling of Interturn Short Circuits in Interior PMSMs

Authors: Lukas Zezula, Matus Kozovsky, Ludek Buchta and Petr Blaha (corresponding author: Lukas Zezula, e-mail: lukas.zezula@ceitec.vutbr.cz)

Affiliation: CEITEC - Central European Institute of Technology, Brno University of Technology, 612 00 Brno, Czech Republic

Files included: ├── Data_diverse_FI/ # Measured and DTM-generated data for an ISC occurring with diverse fault indicators stored as timeseries objects in .mat files │ ├── Rsc_changes_3turns_1Nm.mat # Rsc changes at 1900 rad/s with 1 Nm load, sgm=3/25, Rsc decreasing in 14.4 + {442, 47.0, 5.62, 1.74} mOhm │ ├── Rsc_changes_3turns_3Nm.mat # Rsc changes at 1900 rad/s with 3 Nm load, sgm=3/25, Rsc decreasing in 14.4 + {442, 47.0, 5.62, 1.74} mOhm │ ├── Rsc_changes_6turns_1Nm.mat # Rsc changes at 1900 rad/s with 1 Nm load, sgm=6/25, Rsc decreasing in 14.4 + {442, 47.0, 5.62, 1.74} mOhm │ └── Rsc_changes_6turns_3Nm.mat # Rsc changes at 1900 rad/s with 3 Nm load, sgm=6/25, Rsc decreasing in 14.4 + {442, 47.0, 5.62, 1.74} mOhm │ ├── Data_diverse_OC/ # Measured and DTM-generated data for an ISC occurring at diverse operating conditions stored as timeseries objects in .mat files │ ├── load_transient.mat # Load transient at 1400 rad/s from 1 to 3 Nm with a 50 Nm/s rate, Rsc = (1.74 + 14.4) mOhm, sgm = 10/25 │ ├── velocity_transient.mat # Velocity transient from 1200 to 1600 rad/s with a 10000 rad/s^2 rate and 2 Nm load, Rsc = (1.74 + 14.4) mOhm, sgm = 10/25 │ └── steady_state.mat # Velocity steady state at 1400 rad/s with a 1 Nm load, Rsc = (1.74 + 14.4) mOhm, sgm = 10/25 │ ├── Models/ # Models prepared in MATLAB Simulink, MATLAB 2024b │ ├── codegen_mod_eul.slx # Single-precision implementation of the forward Euler DTM for code generation │ ├── codegen_mod_new.slx # Single-precision implementation of the derived DTM for code generation │ └── models_comparison.slx # Comparing the DTMs with the continuous-time model │ └── README.txt # This file

Data in .mat files: idq_eul ... Direct and quadrature axis currents (respectively) predicted by the forward Euler DTM idq_meas ... Direct and quadrature axis currents (respectively) transformed from the measured stator currents idq_new ... Direct and quadrature axis currents (respectively) predicted by the derived DTM if_eul ... Fault current predicted by the forward Euler DTM if_meas ... Fault current measured in the FIU if_new ... Fault current predicted by the derived DTM Rsc ... Emulated short circuit resistance sgm ... Emulated fault severity SinCos ... Angle tracking observer outputs: sine and cosine (respectively) of the electrical angle Te_eul ... Electromagnetic torque predicted by the forward Euler DTM Te_meas ... Electromagnetic torque calculated from the post-processed measured torque Te_new ... Electromagnetic torque predicted by the derived DTM udq ... Direct and quadrature axis voltages (respectively) generated by the control algorithm we ... Angle tracking observer outputs: estimated electrical angular velocity