.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "drive_examples/grid_connection/plot_2kw_ipmsm_diode_cvc.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code. .. rst-class:: sphx-glr-example-title .. _sphx_glr_drive_examples_grid_connection_plot_2kw_ipmsm_diode_cvc.py: 2.2-kW IPMSM, diode bridge, CVC =============================== This example simulates sensorless current-vector control (CVC) of a 2.2-kW interior permanent-magnet synchronous machine (IPMSM) drive, fed from a six-pulse diode bridge. The diode bridge is supplied from a stiff grid through an AC choke. .. GENERATED FROM PYTHON SOURCE LINES 12-21 .. code-block:: Python from math import pi, sqrt import motulator.drive.control.sm as control from motulator.common.model import CompositeModel, DCBus, Simulation, ThreePhaseSource from motulator.drive import model as drive_model from motulator.drive import utils as drive_utils from motulator.grid import model as grid_model from motulator.grid import utils as grid_utils .. GENERATED FROM PYTHON SOURCE LINES 22-23 Compute base values based on the nominal values. .. GENERATED FROM PYTHON SOURCE LINES 23-27 .. code-block:: Python nom = drive_utils.NominalValues(U=370, I=4.3, f=75, P=2.2e3, tau=14) base = drive_utils.BaseValues.from_nominal(nom, n_p=3) .. GENERATED FROM PYTHON SOURCE LINES 28-30 Configure the system model. The diode bridge and the inverter share the DC bus, and their models are combined into a composite model. .. GENERATED FROM PYTHON SOURCE LINES 30-51 .. code-block:: Python dc_bus = DCBus(C_dc=235e-6, u_dc=sqrt(2) * 400) grid_sys = grid_model.GridConverterSystem( grid_model.DiodeBridge(), grid_model.LFilter(L_f=0.5e-3), ThreePhaseSource(w_g=2 * pi * 50, e_g=sqrt(2 / 3) * 400), dc_bus=dc_bus, ) par = drive_model.SynchronousMachinePars( n_p=3, R_s=3.6, L_d=0.036, L_q=0.051, psi_f=0.545 ) machine = drive_model.SynchronousMachine(par) mechanics = drive_model.MechanicalSystem(J=0.015) converter = drive_model.VoltageSourceConverter( modulator=drive_model.CarrierComparison() ) drive_sys = drive_model.Drive(machine, mechanics, converter, dc_bus=dc_bus) mdl = CompositeModel({"grid": grid_sys, "drive": drive_sys}) .. GENERATED FROM PYTHON SOURCE LINES 52-53 Configure the control system. .. GENERATED FROM PYTHON SOURCE LINES 53-62 .. code-block:: Python est_par = par # Assume accurate model parameter estimates cfg = control.CurrentVectorControllerCfg( i_s_max=1.5 * base.i, alpha_o=2 * pi * 100, T_s=250e-6 ) vector_ctrl = control.CurrentVectorController(est_par, cfg) speed_ctrl = control.SpeedController(J=0.015, alpha_s=2 * pi * 4) ctrl = control.VectorControlSystem(vector_ctrl, speed_ctrl) .. GENERATED FROM PYTHON SOURCE LINES 63-64 Set the speed reference and the external load torque. .. GENERATED FROM PYTHON SOURCE LINES 64-68 .. code-block:: Python ctrl.set_speed_ref(lambda t: (t > 0.2) * base.w_M) mechanics.set_external_load_torque(lambda t: (t > 0.6) * nom.tau) .. GENERATED FROM PYTHON SOURCE LINES 69-71 Create the simulation object, with the control system of the drive by the model name, and simulate. Plot the drive results in per-unit values. .. GENERATED FROM PYTHON SOURCE LINES 71-80 .. code-block:: Python sim = Simulation(mdl, {"drive": ctrl}) res = sim.simulate(t_stop=1) res_drive = drive_model.SimulationResults(res.mdl.drive, res.ctrl.drive) res_grid = grid_model.SimulationResults(res.mdl.grid, res.ctrl.grid) # sphinx_gallery_thumbnail_number = 3 drive_utils.plot(res_drive, base) drive_utils.plot_stator_waveforms(res_drive, base, t_lims=(0.8, 0.825)) .. rst-class:: sphx-glr-horizontal * .. image-sg:: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_001.png :alt: plot 2kw ipmsm diode cvc :srcset: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_001.png :class: sphx-glr-multi-img * .. image-sg:: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_002.png :alt: plot 2kw ipmsm diode cvc :srcset: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_002.png :class: sphx-glr-multi-img .. GENERATED FROM PYTHON SOURCE LINES 81-83 Plot the grid voltages and currents. The diode bridge conducts in pulses, as the DC-bus voltage is close to the peak of the line-to-line grid voltage. .. GENERATED FROM PYTHON SOURCE LINES 83-85 .. code-block:: Python grid_utils.plot_grid_waveforms(res_grid, t_lims=(0.8, 0.825), plot_pcc_voltage=False) .. image-sg:: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_003.png :alt: plot 2kw ipmsm diode cvc :srcset: /drive_examples/grid_connection/images/sphx_glr_plot_2kw_ipmsm_diode_cvc_003.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 32.701 seconds) .. _sphx_glr_download_drive_examples_grid_connection_plot_2kw_ipmsm_diode_cvc.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_2kw_ipmsm_diode_cvc.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_2kw_ipmsm_diode_cvc.py ` .. container:: sphx-glr-download sphx-glr-download-zip :download:`Download zipped: plot_2kw_ipmsm_diode_cvc.zip ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_