... H 4) Brushless 5) Self-Excited 6) IP22 Protection 7) AVR regulation 8) Started by Battery Voltage 1) Frequency ... in 480/227V, 440/254V, 220/117V, and208/120V. Single Phase Voltage Available: 100-250V.Electrical ParametersWave distortion: <10%Voltage ... piping, cablings, instrument, valves and settings, etc. 2. AC SYNCHRONOUS GENERATOR 2.1 Generator, which includes exciter, rectifier, AVR, shaft ...