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HANSA 04-2020

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Schiffstechnik | Ship

Schiffstechnik | Ship Technology Pod drives/rim thrusters survey 2020 Podded propulsion is mainly used by passenger vessels or ships like tugs that have to manoeuvre qickly. But the first bulk carrier installation is just around the corner The first bulk operateur to use azipod electric propulsion manufactured by ABB is Oldendorff Carriers. Two 21,500 dwt self-unloading bulker will be equipped with pod propulsion. The vessels are set for delivery in 2021 from the Chengxi Shipyard in China. Each will feature two 1.9 MW Azipod units. Additionally, ABB will also supply a wide range of electric, digital and connected solutions for each ship, including a main diesel-electric power plant, generators, bow thruster motors, transformers, switchboards and the power management system for propulsion and cargo handling. »The choice of Azipod electric propulsion system has reduced the investment costs dramatically as the vessels are already equipped with high power generation required for self-unloading/loading cargo handling,« says Jan Henneberg, Newbuilding Manager, Oldendorff Carriers. »These shuttle vessels must perform reliably over an extended period at maximum efficiency, and need to be especially maneuverable in shallow waters.« For ABB, the order by a bulker company for it’s Azipod propulsion is a breakthrough. Especially with the background that some people suggested that these type of ships would always remain closed to podded propulsion, says Juha Koskela, This solution was chosen by Oldendorff Managing Director, ABB Marine & Ports. The newbuild vessels have been developed by Shanghai-based CS Marine design company together with Oldendorff Carriers. They will be able to unload cargo utilizing a built-in conveyor system and without the need for assistance from shoreside equipment or personnel. Oldendorff will deploy the vessels for transshipment operations – transfer of cargo offshore from oceangoing vessels before delivery to the final destination. © ABB Another main changg we have seen in podded propulsion during the past twelve months is that Rolls-Royce have sold their pod business to Kongsberg. Since April 2019 the products of the Mermaid series and of the Elegance series belong to the Norwegian company, headquartered in the town of Kongsberg, about 50 km west of Oslo. Thrustmaster, a company based in Houston, Texas, developed a compact pod design called T-Pod with an integrated permanent magnet (PM) e-motor installed in the lower pod. It is directly driving the propeller shaft. According to Thrustmaster this eliminates the need for spiral bevel gears and all of their associated shafts and bearings. The motor is cooled by the sourrounding seawater or river water. The units are available in fully azimuthing configuration with multi-conductor slipring assembly or as fixed non-stearable pods for use in cunjunction with rudders or with +/- 90° steering. The podded thruster is available in a power range from 90 kW up to 2,500 kW either with an open propeller or in a high thrust nozzle configuration. On the following pages HANSA presents the annual listing of manufacturers and their products in the pod/rim thrusters segment.TWG BECAUSE QUALITY PAYS OFF ZÖLLNER Signal GmbH // signal@zoellner.de // zoellner.de 40 HANSA – International Maritime Journal 04 | 2020

POD 1 Schiffstechnik | Ship Technology Power Relate / Maximum kW Speed min -1 Type Related Thrust kN Propeller open mm Propeller nozzle mm ABB Zurich, Switzerland, online: www.abb.com, e-mail: thomas.voelkel@de.abb.com 1500–4500 Azipod CO 3300–4700 Azipod CZ 2775–7500 Azipod DO 2100–7500 Azipod DZ 6000–17000 Azipod VI 7600–14500 Azipod MO 17500 Azipod XL 2000–5000 Azipod ICE 14000–22000 Azipod XO Brunvoll AS Molde, Norway, online. www.brunvoll.no, e-mail: office@brunvoll.no Rim Driven Thrusters 200 RDT 800 300 RDT 1000 600 RDT 1500 1000 RDT 1800 1400 RDT 2100 Engtek Manoeuvra Systems Pte Ltd Singapore, Singapore, online. www.ems-thrusters.com, e-mail: info@ems-thrusters.com Electric podded rotatable propulsions and deck mounted rotatable drives 200 580 A 200 E 1100 optional 275 540 A 275 E 1175 optional 350 500 A 350 E 1250 optional 500 450 A 500 E 1400 optional 800 360 A 800 E 1750 optional 1000 325 A 1000 E 1925 optional 1200 265 A 1200 E 2300 optional 1500 250 A 1500 E 2475 optional 2100 215 A 2100 E 2800 optional 3000 180 A 3000 E 3450 optional 3500 165 A 3500 E 3700 optional Kongsberg plc Kongsberg, Norway, online: www.kongsberg.com, e-mail: office@kongsberg.com Mermaid Podded Propulsors 6000–11000 110–210 185 3600–5400 8000–16000 105–195 210 4100–5900 11000–20000 100–180 232 4500–5000 13000–23000 95–170 250 4900–7000 15000–27000 90–160 277 5400–8000 Mermaid Push Podded Propulsors 4000–8000 110–190 185 550–1250 2700–4500 7000–12000 105–160 210 950–1750 3600–5200 Elegance Pulling Pods 1550–1850 145–365 850 1800–2900 2100–2500 130–325 960 2100–3400 2750–3200 117–285 1080 2400–3900 3700–4300 106–250 1230 2700–4400 4750–5400 97–220 1380 3000–4900 5900–6700 90–200 1570 3200–5300 Elegance Ducted Pods 1550–1850 255–305 850 2400 2100–2500 220–265 960 2800 2750–3200 195–230 1080 3200 3700–4300 175–205 1230 3600 4750–5400 160–180 1380 4000 HANSA International Maritime Journal 04 2020 1 HANSA – International Maritime Journal 04 | 2020 41

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