... : ≤ 2s e) Voltage fluctuation rate: ≤ ± 0.5% f) Steady state frequency regulation rate: ≤ 5% g) Transient state frequency regulation rate: ≤ ±10% ... ≤ 3s i) Line-voltage waveform sinusoidal distortion rate: ≤ 2.5% j) Voltage fluctuation rate(between cold state and hot state ... Trailer, Movable, Marine, Gas, Natural gas ,Automatic e) Water-cooled f) Key start / auto start, low noise g) Rated frequency: ...