Hi Brett,
I am still waiting for my iotawatt to arrive, hopefully next week. The
link below provides information on how to ‘simulate’ the other two phase
voltages.
Essentially you just need to add a 120 and 240 degree phase shift for
the CT that is on the other phases that you are not measuring. Actually
its a 123 and 243 phase shift to allow for the additional phase shift of
the CT and measurement time.
Not sure how to easily work out which phase gets the 123 and which gets
the 243 yet. If you are actually measuring A phase with a VT then a good
guess is that B phase is 123 and C phase is 243.
Let us know how it goes.
Paul
