OP
Knobhead
I’ll hold my hand up, I must have run miles of 3½C.
Things like VSD and SMPS were weird and wonderful things then. You only had to worry about the 3[SUP]rd[/SUP] natural harmonic in the neutral.
There was a lot to be said for our old 550V system, no neutral!
Things like VSD and SMPS were weird and wonderful things then. You only had to worry about the 3[SUP]rd[/SUP] natural harmonic in the neutral.
There was a lot to be said for our old 550V system, no neutral!