17 May '18, 5pm

Robert Allan (Naval Architecture Firm) Unveils New All-Electric Pilot Boat Design

“The propulsion motors are 500 kW 2,800 rpm permanent magnet 750 volt AC electric motors controlled by frequency convertors providing a full range of speed. The motors drive through standard ZF or Twin Disc 3:1 reverse/reduction gears to conventional shafting and 840 mm propellers. … The battery system consists of 70 modules of Spear SMAR-11N-224 units providing a capacity of 815 kWh. As required by Class they are arranged in a separate compartment which is located in the middle of the boat between the accommodations and the machinery space.”

Full article: https://cleantechnica.com/2018/05/17/robert-allan-naval-a...

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