Page 43: of Maritime Reporter Magazine (December 2016)

Name: Ternsund

LNG fueled tanker with Direct Drive Permanent Magnet Shaft Generator

Builder: AVIC Dingheng Shipyard

Owner: Terntank Rederi AS

The Switch has been engaged in the maritime industry for only three and a half years, but it already has ap- proximately 20 ships in its reference list, including the ? rst, the 15,000 dwt M/T Ternsund (featured on this month’s cover) owned by Terntank, which is a fourth (Photos: Tärntank Ship Management AB) generation company that in 1958 was a one ship com-

MT Ternsund pany, and today is an operator of ten modern chemical/

Builder: Avic Dingheng Shipbuilding Co. LTD, product tankers in the range from 8,000 to 15,000 dwt.

Owner: Terntank

MT Ternsund was built by Avic Dingheng Shipbuild-

Imo No 9722390 ing Co. of China, and is a Rolls-Royce Marine AS, type

Flag DIS

NVC 615 CT design ship measuring 147 x 22 x 11.7 m.

Call Sign OWPV2

The ship is ultra modern in its choice of propulsion,

Length, o.a. 147m power by a Wärtsilä 5RT-? ex 50 DF 5.850 kW 102

Length, b.p. 143.5m

RPM 2-stroke, low pressure, LNG dual-fuel main en-

Breath (molded) 22m gine, with a Kongsberg fuel performance system. From

Depth (molded) 11.7m

The Switch it features a Permanent Magnet Shaft Gen-

Draft, scantling 9m erator with Variable Frequency Drive to allow running

DWT (at scantling draft) 15,000 the engine/propeller in combinator mode for optimum

GT 11,374 ef? ciency. In total, at 12 knots, it consumes 8.9 tons of

Net tonnage: 4,780 t

LNG per day.

Hull no. AD0024

WE Tech Solutions (WE Tech) announced the opera-

Design Rolls-Royce Marine AS, tional success at sea of its ? rst Direct Drive Permanent type NVC 615 CT

Magnet (PM) Shaft Generator solution. Ternsund is

Consumption 12 knots, 8.9 tonst LNG/Day the ? rst in a line of four Terntank Rederi AS chemical/

Marine gas oil 610 cu. m.

product tankers destined for the Baltic Sea.

Cargo tank capacity 98% 16.559 cu. m.

“WE Tech’s shaft generator solution is working well

Ballast water tanks 6.636 cu. m.

on both Ternsund and Ternfjord. Terntank has set huge

LNG fuel storage tanks 630 cu. m.

expectations on this technology and believes that this

Slop tanks 242 cu. m.

will be the future for the shipping industry,” said Tryg-

Tech fresh water tanks 325 cu. m.

Urea 52 cu. m.

gve Möller, Chairman of the Board of Terntank Rederi

Tank coating MarineLine784

AS and Managing Director of Tärntank Ship Manage-

Cargo Pumps Deepwell pumps type DW ment AB. “We are very happy that Ternsund and sisters 200/250 multisuction. Frequency now are in service and that all our expectations on emis- controlled 450 m3/h at 120 m.l.c.

sion, performance,and fuel savings has been reached,”

Cargo Alarm & monitoring Kongsberg Tank said Möller. “Even if Ternsund only has been in service

Radar K-Chief 600 a few months, we have found it to be a “happy vessel”

BWT Panasia GloEn-Patrol for owners, customers and crew.”

Bowthruster (1) 865 kW 60Hz.

WE Drive allows the shaft generator to operate over

Main Engine Wärtsilä 5RT-? ex 50 DF the full main engine speed range, while generating 5,850 kW 102 RPM 2-stroke, electricity for the vessel’s electrical network with high low pressure, LNG dual-fuel engine.

ef? ciency.

Fuel management Kongsberg

With the WE Drive and the Direct Drive PM Shaft

AuxiliaryDiesel 3 x Mitsubishi MAS 850-S,

Generator in Power Take Out (PTO) mode, the avail- 790 kWe @ 1800rpm able power for the vessel’s electrical network is up to

Shaft Generator: 780 kW, generated by a fuel ef? cient two-stroke, low

The Switch Permanent Magnet Shaft Genera- pressure, dual-fuel main engine. In this mode, the aux- tor with Variable Frequency Drive to allow run- iliary generators are not running. In Power Take In ning the Engine/Propeller in Combinator mode (PTI) mode, the WE Drive converts auxiliary genera- for optimum ef? ciency. Rated output shaft tor power to propulsion power by employing the Direct generator PTO 780 kW / PTI 1000 kW

Drive PM Shaft Generator as a motor, with a maximum rated output of 1000 kW.

www.marinelink.com 43

MR #12 (42-47).indd 43 MR #12 (42-47).indd 43 12/6/2016 11:38:41 AM12/6/2016 11:38:41 AM