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1.3 Updating the Circuit Model
1.3 Updating the Circuit Model

Circuit Model File Path: <Public Documents>\National Instruments\<NI VeriStand 20XX>\Examples\OPAL-RT\Power Electronics Add-On\PMSM VDQ Local Control\Circuit Model\PMSM_eHS_UB.mdl

Configuring the PMSM Model

In this example, the PMSM model and associated sensors have been pre-configured. For more information related to machine configuration, please refer to the PMSM BLDC Section. Explore the configuration of the machine by following the steps below.

  • In the Configuration Tree, expand Circuit Model >> Machines and click PMSM BLDC 1 to open the configuration page for the machine.
  • Observe the configured machine parameters. The Input Mapping subsection allows the outputs of the circuit model to be easily connected to the inputs of the machine.
  • In the Configuration tree, expand PMSM BLDC 1 and click Mechanical Model to view the mechanical model parameters.
  • Confirm that the parameter values match those in the table below.

Motor Configuration
Motor TypePMSM Constant Ld/Lq

Direct Inductance (H)

Quadrature Inductance (H)0.004576
Permanent Magnetic Flux (Wb)0.25366
Phase A Resistance (Ohm)0.12
Phase B Resistance (Ohm)0.12
Phase C Resistance (Ohm)0.12
Pole Pairs3
Direct Quadrature Transform Angle OffsetAligned
Sample Time (s)1.2E-7
Mechanical Model Configuration
Viscous Damping0.3665
Static Friction0.0019
Mechanical Model Mode (VeriStand Channel)1