英语翻译Electricpower productionElectric power plant shall consi

英语翻译
Electricpower production
Electric power plant shall consist of:
• one PTO generator 1560 kVA/1800 min-1 (powerfactor abt 0.8)
• three diesel generator sets of abt 1200kVA/900 rpm (power factor abt 0.8)
• one emergency/harbour diesel generator setof abt 375 kVA/1800 min-1 (power factor abt 0.8).
The power and lighting distribution systemshall be 3×440 V and 3×220 V,60 Hz.
Deadweightand draught
Expected deadweight at scantling draught of9.5 m shall be 18680 t.
Speedand cruising range
The guaranteed trial speed of the ship
running at the design draught of 7.0 m,in deep and smooth water in calm
weather with the wind not exceeding 2 degrees Beaufort scale,with clean bottom
and at the engine output of 85% CMCR (7460 kW) shall be 16.60 knots.The trials
shall be performed at the design draught.The estimated service speed (20% sea
margin) at the design draught with the main engine developing 7460 kW (85%
CMCR) with PTO taking 350 kW shall be abt 15.7 knots.The propeller shall be
optimized for the ship in trial condition at the draught of 7.0 m to absorb
7460 kW at abt 140 min-1.The propeller strength shall be designed for the MEoutput of 8775 kW.