... and Voltage: 1, 000VA 9. Harmonic wave output: 2-21st sub-harmonic wave, content< 40%; 3rd, 5th and 7th superposed ... sub-harmonic wave, content< 10% each; Control of conduction angle(odd sub-harmonic wave); Control of wave ... group(sub-harmonic wave) 10. Load characteristics: Resistive, inductive ...