Diesel-electric gensets power harbour tugs
Wärtsilä has been contracted to supply the power system for four new diesel-electric powered tugs being built for Svitzer Australia Pty Ltd.
The vessels are being built at the ASL shipyard in Singapore and are scheduled to be in operation by early 2014.
Each of the four 80 ton bollard pull harbour tugs will be fitted with two 9-cylinder and one 8-cylinder in-line Wärtsilä 20 engines. The use of the Wärtsilä 20 engines as diesel-electric generating sets is a new development in the tugs market.
The engines will operate on Marine Gas Oil (MGO). The tugs will be equipped with batteries that allow power from the Wärtsilä generating sets to be stored for later use.
“Modern tugs need to feature both fuel efficiency and environmental sustainability, as well as lifecycle reliability, said Aaron Bresnahan, vice president, Wärtsilä Ship Power Specials. “This contract represents further evidence of Wärtsilä’s strength in meeting these demands, and further emphasises our ability to offer sophisticated diesel-electric machinery solutions for this particular sector of the marine industry.”
Wärtsilä has earlier supplied integrated propulsion solutions for two Svitzer Tier III compliant ECOtugs.
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