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05-20-2020, 12:45 PM
Hi Erik-Jan
The Symmetric Source should only be a 1:1 PT with a CT on the secondary. This is easily achieved using a transformer with dual primaries and dual secondaries, OR a single primary with dual secondaries that add up to the mains.
For example:, in Europe you might have a single 240V primary but dual 120V secondaries. This will achieve the symmetric output.
Mains voltage is only read accurately from one pin to the other as LINE to NEUTRAL. A measurement from earth may show grounding problems but may not show the actual mains voltage.
Have fun
The Symmetric Source should only be a 1:1 PT with a CT on the secondary. This is easily achieved using a transformer with dual primaries and dual secondaries, OR a single primary with dual secondaries that add up to the mains.
For example:, in Europe you might have a single 240V primary but dual 120V secondaries. This will achieve the symmetric output.
Mains voltage is only read accurately from one pin to the other as LINE to NEUTRAL. A measurement from earth may show grounding problems but may not show the actual mains voltage.
Have fun
