winnie
Senior Member
- Location
- Springfield, MA, USA
- Occupation
- Electric motor research
More on the pacific intertie here, its got quite a grounding system, thats cool @Jraef worked on it I thought part of it was SWER but that may have changed.
Pacific DC Intertie - Wikipedia
en.wikipedia.org
My recollection is that normal operation is bipolar, but that they have the capability of 'SWER' like monopolar operation.