... for VoltageAVRAdjustment Ratio for Voltage±5%Voltage regulation±1%No load voltage waveform<2%WaveformTIF<50 30kw natural gas generator ... frameØ 1m<80DBA / 7m<70DBA 30kw natural gas generator set control Panel:Controller Brand: Smartgen/Deepsea/KaixunControl Panel: English interface, ... , low or high frequency, over current, over or low speed, low or over battery voltage etc.Ø Over load protection, ...