Frequency: DC, 15 Hz to 1.5 kHz Single-phase or three-phase output selectable Delivers full power with up to 4:1 Crest Factor loads Programmable slew rate setting for changing voltage and frequency Programmable voltage and current limit Turn on, turn off phase angle control TTL signal which indicates output transient LIST, PULSE, STEP mode functions for testing Power Line Disturbance (PLD) simulation Voltage dips, short interruption and voltage variation simulation Harmonics, inter-harmonics waveform synthesizer Comprehensive measurement capability,including current harmonics Analog programmable interfaces Remote interface: GPIB, RS-232, USB and Ethernet Capable of delivering power output up to 90 kVA by implementing Master-slave parallel operation