Power factor and 3-phase load testing can be done by driving large audio amplifiers from sound card. Uses Trojan T105 and T875 14v supply.
network feed
open delta
120 volt open delta
120 volt wye (tiny)
120 volt wye
500w 3-ph sim at 1/3 v for photo - Rockford Fosgate P5002 is mounted below the board
3ph text
3ph spreadsheet
microMeter company website
