Field Oriented Control

Calculates the stator current and angle and the operational limits.

Input(s)

Name

Description

Type

Id

Direct-axis current

Scalar

Iq

Quadrature-axis current

Scalar

Imax

Maximum current

Scalar

Umax

Maximum voltage

Scalar

rpm

Rotational speed of the motor

Scalar

R

DC resistance of the motor

Value

Ld

Stator inductance d-axis

Value

Lq

Stator inductance q-axis

Value

Flux_PM

Rotor flux

Value

N

Number of rotor pole pairs

Value

Output(s)

Name

Description

Type

I

Stator current

Scalar

gamma

Stator current angle

Scalar

Idmin

Minimum direct-axis current (Id) for a given quadrature-axis current (Iq)

Scalar

Idmin_circle

Minimum direct-axis current (Id) for a given quadrature-axis current (Iq) by current limit

Scalar

Idmin_ellipse

Minimum direct-axis current (Id) for a given quadrature-axis current (Iq) by voltage limit

Scalar

Idmax

Maximum direct-axis current (Id) for a given quadrature-axis current (Iq)

Scalar

Idmax_circle

Maximum direct-axis current (Id) for a given quadrature-axis current (Iq) by current limit

Scalar

Idmax_ellipse

Maximum direct-axis current (Id) for a given quadrature-axis current (Iq) by voltage limit

Scalar

Iqmin

Minimum quadrature-axis current (Iq) for a given direct-axis current (Id)

Scalar

Iqmin_circle

Minimum quadrature-axis current (Iq) for a given direct-axis current (Id) by current limit

Scalar

Iqmin_ellipse

Minimum quadrature-axis current (Iq) for a given direct-axis current (Id) by voltage limit

Scalar

Iqmax

Maximum quadrature-axis current (Iq) for a given direct-axis current (Id)

Scalar

Iqmax_circle

Maximum quadrature-axis current (Iq) for a given direct-axis current (Id) by current limit

Scalar

Iqmax_ellipse

Maximum quadrature-axis current (Iq) for a given direct-axis current (Id) by voltage limit

Scalar

Idmtpa

Direct-axis current to achieve maximum torque per amp for given quadrature-axis current

Scalar

lqmtpa

Quadrature-axis current to achieve maximum torque per amp for given direct-axis current

Scalar