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Tugs: More hybrid electric and improved crew comfort
| 题名： | Tugs: More hybrid electric and improved crew comfort |
| 正文语种： | eng |
| 作者： | Michael Crowley |
| 摘要： | Tugboat designs continue to evolve with an emphasis on propulsion efficiency coupled with improving onboard working conditions. The commitment to hybrid-electric propulsion units is growing after a slow start due to the technology's capital cost. It's "picked up quite heavily with more hybrid tugs and battery-electric tugs," said Lawrence Best, director of design development at Robert Allan Ltd., Vancouver, British Columbia. An example is the Robert Allan-designed 98'6"×43'×l7'6" Seabulk tug Spartan, which operates in Port Arthur, Texas. The Spartan is powered with a Berg Propulsion package comprised of twin 2,550-hp Caterpillar 3512E main engines matched up with twin Cat C18s generators and one Cat C7.1 generator, enough power to generate 12.6 knots running speed. The Spartan was built by Master Boat Builders, Coden, Ala., and was said to be "the most advanced hybrid electric package ever delivered by Berg Propulsion." |
| 出版年： | 2023 |
| 期刊名称： | Work Boat |
| 卷： | 80 |
| 期： | 6 |
| 页码： | 30-32 |
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