Inverse Clarke Transform VI

Owning Palette: Transforms VIs

Requires: Electric Motor Simulation Toolkit

Transforms the alpha and beta currents or voltages to three-phase current or voltage.

The three-phase current or voltage is the AC current or voltage of the three-phase circuit, while the alpha, beta currents or voltages are the currents or voltages in the (α,β) orthogonal coordinate system.

Details  

	alpha specifies the alpha current or voltage, in amperes or volts, from the Clarke transform.
	beta specifies the beta current or voltage, in amperes or volts, from the Clarke transform.
	error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
	a returns the a current or voltage, in amperes or volts, calculated by the inverse Clarke transform.
	b returns the b current or voltage, in amperes or volts, calculated by the inverse Clarke transform.
	c returns the c current or voltage, in amperes or volts, calculated by the inverse Clarke transform.
	error out contains error information. This output provides standard error out functionality.

Inverse Clarke Transform Details

The equations for transforming the current and the voltage are similar. This section takes the current equations for an example.

This VI converts the alpha and beta currents to three-phase current using the following equations:

where	Ia is the a current of the three-phase current
	Ib is the b current of the three-phase current
	Ic is the c current of the three-phase current
	Iα is the alpha current
	Iβ is the beta current