124MW Power Barge
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124MW Power Barge


124MW Power Barge
124MW Power Barge

124MW floating power barge constructed by Cascade General at the Portland, Oregon shipyard, is completing trials prior to delivery to Guatemala in May. Esperanza is designed to provide a reliable, electric, power supply to the Guatemala power grid. This self-contained electrical generating facility is constructed on a deck barge 279' (86m) long and 104' (31m) wide and will be transported on a submersible cargo ship. It is the largest diesel-powered, mobile unit ever built in the US.

The overall design is by Kvaerner Masa Marine of Vancouver, Canada and the prime contractor is MAN B&W Diesel AG. The system is powered by (7) seven MAN B&W V-18 engines each weighing 330 tons and producing 25,000 hp, coupled to seven Siemens 13.8kv generators, with a total output of 124 MW, sufficient to supply 60,000 typical US homes. The engines arrived from Europe on a heavy-lift ship and were unloaded directly onto the barge at the Portland Shipyard in December 1999. Testing of the individual generators has proceeded since February, with 20 MW of power being fed into the local power grid via the yard’s sub-station/transformer.

Seven 40-ton engine-support modules, containing oil recirculation pumps and separators service the massive engines. From the air-conditioned control room, the engineering staff is able to view all engine parameters and monitor performance via an advanced computer control system. The emissions will be regularly analyzed by instruments in the exhaust stacks to ensure compliance with environmental standards set by The World Bank for new power generation projects.

More information: Cascade General


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