Power For LNG Facility

MAN Energy Solutions will supply nine 51/60 gas engines for a new power plant in Oman.

The Oman Liquefied Natural Gas LLC (Oman LNG) power plant will be in Qalhat, southeast of Muscat on the Gulf of Oman, and will provide 120 MW of power to the existing LNG facility of Oman LNG. It will replace an existing gas-turbine plant.

“We are very proud to have been chosen for this exciting and technologically challenging project,” said Wayne Jones, chief sales officer for MAN Energy Solutions. “The new power plant needs to be capable of using a variety of differing gas compositions and methane numbers with limited gas conditioning or blending. To master this, we have developed control strategies to ensure that the engines adapt to the prevailing gas configuration in real time for optimum performance.”

The four-stroke 51/60 engine has a bore and stroke of 510 X 600 mm.

The new plant uses gases derived from the liquefaction process, which can contain high inert components in the fuel and, therefore, may have much lower calorific values, the company said. Because of their customized design, the engines will nevertheless be able to provide the required power, even at ambient temperatures of up to 48°C, MAN said.

“This market segment has been completely dominated by gas turbines in the past, so this is a pioneering installation,” said Hajo Hoops, senior sales manager at MAN Energy Solutions. “We are thankful to Oman LNG for giving us the opportunity to show our MAN 51/60 gas engine is the ideal fit for this application.

“Compared to the existing plant, our engines will significantly reduce fuel consumption and GHG emissions of Oman LNG’s Power Plant, while our modular-design approach guarantees top-of-the-line overall availability,” Hoops said. “ The robust design of our 20MW engine platform, the 51/60, is proven over millions of hours of operations all over the world and we are confident it will also perform well in Qalhat.”