Wow, that's a great point, I'd have never thought of that! It's completely counterintuitive, but makes perfect sense now that I think about it- grounding a corner causes a wider rotation, which places the triplens into destructive interference. Nice tool to have in the toolbox the next time we're having harmonic problems at a transformer
...Although now that I'm thinking about this more, I'm getting confused again. Gonna have to chew on it a while longer.
