CT standard dude

[Hector04]

Hi
the phasor standard to CT connection is really known, but i remember to CT conectión is possible with polarity additive and substractive.
the question is:

¿the janitza Power Analyzer manual UMG604 CT conection polarity is aditive or substractive ?


attachment:
A Link
I) CT Polarity Add and IED Forward
II) ¿CT Polarity Add and IED Reverse ?
III)Bad Polarity subs
IV)Bad Polarity subs

B Link
Janitza evidence

 

[Hector04]

i belive to the janitza conecctión is bad.
Link
but i do not understand why the star-point "sees" the supply source and the Janitza analyer measure well