... -Excited 6) IP22 Protection 7) AVR regulation 8) Started by Battery Voltage 1) Frequency at 50Hz: Available in 400/230V ... .6 Starting system, which includes 2 sets of batteries, a set of AC charger, and interconnecting piping, cablings, instrument, valves ... Generator, which includes exciter, rectifier, AVR, shaft mounted fan if required. 2.2 All interconnecting piping, cablings, instruments, valves and ...