ABB permanent magnet shaft generator technology to power 15 LNG carriers for Qatar Energy

ABB permanent magnet shaft generator technology to power 15 LNG carriers for Qatar Energy

  • ABB permanent magnet shaft generator technology chosen for 15 liquified natural gas (LNG) carriers to be built by Samsung Heavy Industries Co., Ltd.
  • Permanent magnet shaft generator system is increasingly recognized for its ability to optimize the conversion of marine engine power into electrical energy
  • With ABB’s systems, the LNG vessels will benefit from efficiency gains compared to conventional shaftline solutions

ABB has won an order from Samsung Heavy Industries Co., Ltd. (SHI) to equip 15 liquified natural gas (LNG) carriers with the permanent magnet shaft generator technology. The 174,000-cbm capacity ships are due delivery between mid-2026 and August 2028 to multiple leading owners serving the supply chain needs of charterer Qatar Energy. Representing SHI’s the largest fleet of LNG project involving permanent magnet shaft generator systems, the contract is also the South Korean yard’s single largest ever order for LNG carriers.

ABB permanent magnet shaft generator technology enhances operational efficiency of vessels by utilizing the power from the shaft and main engine, resulting in better fuel economy compared to getting the power from high-speed, fuel-intensive auxiliary engines.

In addition, the permanent magnet shaft generator is optimized for converter control, enabling better efficiency than either induction or electrically excited synchronous machines can offer at full and partial load. According to ABB’s estimation, this helps to cut ship fuel costs by up to 4 percent. Working with ABB’s advanced ACS880 Converter and Control System with D/C Link, the technology can increase fuel efficiency by a further one percent.

Integrating the technology with power, control and automation across multiple ship functions enhances energy efficiency and helps reduce emissions as a result. This aligns with the International Maritime Organization’s decarbonization targets, using measures like the Energy Efficiency Design Index (EEDI), the Energy Efficiency Existing Ship Index (EEXI) and the Carbon Intensity Indicator (CII) of ships.

ABB has won an order from Samsung Heavy Industries Co., Ltd. (SHI) to equip 15 liquified natural gas (LNG) carriers with the permanent magnet shaft generator technology. 
Image credit - ABB
ABB has won an order from Samsung Heavy Industries Co., Ltd. (SHI) to equip 15 liquified natural gas (LNG) carriers with the permanent magnet shaft generator technology. Image credit - ABB
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“The scale of this order suggests that key LNG stakeholders now recognize permanent magnet shaft generator system benefits that are widely accepted by owners in the container ship, oil tanker and bulk carrier markets,” said Michael Christensen, Global Segment Responsible for Cargo, ABB Marine & Ports. “The agreement further strengthens our position in the cargo segment and emphasizes our commitment to helping the shipping industry enhance fuel efficiency, reduce costs and reduce emissions in line with environmental regulations. We look forward to working with Samsung and Qatar Energy during implementation and beyond.”

ABB’s Process Automation business automates, electrifies and digitalizes industrial operations that address a wide range of essential needs – from supplying energy, water and materials, to producing goods and transporting them to market. With its ~20,000 employees, leading technology and service expertise, ABB Process Automation helps customers in process, hybrid and maritime industries improve performance and safety of operations, enabling a more sustainable and resource-efficient future. go.abb/processautomation

ABB is a technology leader in electrification and automation, enabling a more sustainable and resource-efficient future. The company’s solutions connect engineering know-how and software to optimize how things are manufactured, moved, powered and operated. Building on over 140 years of excellence, ABB’s more than 105,000 employees are committed to driving innovations that accelerate industrial transformation. www.abb.com

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