The TFC63 series are three phase output AC power source, output capacity from 500VA to 800kVA. The three phase ac power source can be custom made to high voltage output and high frequency output. The variable AC power source can be made to high power programmable AC power source, 100kVA AC power source, 500Hz AC power source, 115V 400Hz AC power source, 300V AC power supply, AC power supply 500V, high voltage variable frequency AC power supply variable 1000V, AC power supply 400Hz or up to 2500Hz. The 3 phase programmable AC power source can be used as variable AC power source to simulate grids of different countries, widely used in laboratories, production calibration & test and military applications.