Control method implemented in a power converter and intended for identifying parameters linked to the magnetic saturation of an electric motor
A technology of a power converter and a control method, which is applied in the direction of electronic commutation motor control, estimation/correction of motor parameters, motor control, etc., can solve problems such as inability to apply to synchronous motors
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[0025] The present invention relates to a control method implemented in a variable speed drive type power converter connected to a permanent magnet synchronous motor M (referred to as "PMSM").
[0026] As is well known, a variable speed drive type power converter is connected upstream to the power grid and downstream to the electric motor. Variable speed drives include:
[0027] The rectifier module at the input generally includes a diode bridge designed to rectify the AC voltage supplied by the power grid,
[0028] The DC power supply bus to which the voltage rectified by the rectifier module is applied, the DC power supply bus has a bus capacitor that makes it possible to maintain the bus voltage at a constant value,
[0029] The inverter module INV at the output is intended to convert the DC bus voltage into a variable voltage to be applied to the motor M.
[0030] The inverter module INV is controlled by adopting the determined control law operated by the control device. The contr...
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