Are the reference frame conversion blocks for SimPowerSystems 3.0 (R13SP1) correctly defined?

There are two blocks in the powerlib for converting reference frames:

 abc_to_dq0 Transformation

 dq0_to_abc Transformation

Are these transformations actually defined for the qd0-frame, and not the dq0-frame? If so, should the blocks be labeled and sorted such that the output has the d-vector first and not the q-vector?

Answer 1

[MathWorks Support Team]

The transformation actually being used is not clearly stated in our documentation and in our blocks. It is the name of the blocks that is confusing.

The block names

 abc_to_dq0 Transformation

 dq0_to_abc Transformation

should ideally be changed to

 abc_to_qd0 Transformation

 qd0_to_abc Transformation

in order to reflect the reference axis chosen for the q-d axis. However, the name of the blocks needs to be kept intact in order to avoid bad links.