mtu Kinetic PowerPack from Rolls-Royce approved for renewable diesel

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mtu Kinetic PowerPack from Rolls-Royce approved for renewable diesel

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Wednesday 5 July 2023 18:40 PM

mtu Kinetic PowerPack from Rolls-Royce approved for renewable diesel

mtu Kinetic PowerPack for uninterruptible power supply now even more environmentally friendly
Tests show: no loss of performance with renewable diesel/HVO
System consists of mtu diesel engine coupled to kinetic energy accumulator via electromagnetic clutch and a synchronous machine

Rolls-Royce (LSE: RR., ADR: RYCEY) has approved its mtu Kinetic PowerPacks, based on the mtu Series 4000 and 1600 diesel engines, for use with renewable diesel (HVO/Hydrogenated Vegetable Oil) and the other synthetic diesel fuels of the EN15940 standard. This means that the mtu systems for dynamic uninterruptible power supply (DUPS) can now be operated in an even more environmentally friendly manner. This is because with HVO the CO2 footprint can be reduced by up to 90 percent (depending on the fuel's manufacturing process and feedstock), particulate emissions by up to 80 percent and nitrogen oxide emissions by up to eight percent compared to fossil diesel.

mtu Kinetic PowerPacks show same performance with HVO as with fossil diesel

Tests on the Rolls-Royce Power Systems test bench at the Liège site in Belgium showed that the use of HVO had no effect on the dynamic behaviour of the engine during critical phases under typical load conditions. The systems performed the same with HVO as with fossil diesel. Previously, Rolls-Royce had already approved its mtu Series 1600 and Series 4000 gensets for EN15940 synthetic diesel fuels following successful tests on the test bench and in the field.

HVO reduces carbon footprint for data centers, hospitals, industry

Vittorio Pierangeli, Vice President Global Powergen at Rolls-Royce Power Systems, explained:

Operators of safety-critical facilities such as data centers, airports, hospitals, production plants for pharmaceuticals, petrochemicals, semiconductors and electronics have relied on our systems for many years. Now they can significantly reduce their carbon footprint and local emissions by using sustainable fuels".

Existing system and infrastructure requires no adaption

For HVO, waste vegetable and animal fats and used vegetable oils can be used as base materials, which are converted into hydrocarbons by means of a catalytic reaction with the addition of hydrogen. Through this process, the fats and vegetable oils are adapted in their properties to diesel fuel and can supplement or completely replace it as an admixture. Because HVO fuel is produced from renewable resources, its production, transportation, and combustion generate only about as many greenhouse gases as were absorbed by the plants during biomass growth. HVO is a drop-in fuel, which means that the existing infrastructure of the mtu Kinetic PowerPack requires no adaption for its use; no engine hardware or software modifications are required.

How a mtu Kinetic PowerPack works

The mtu Kinetic PowerPack comprises a constantly rotating kinetic energy storage unit with flywheel, an mtu diesel engine, and a generator that doubles as an electric motor for the purpose of compensation, depending on the operating mode. Power from the public grid drives the synchronous generator, which acts as an electric motor in this operating mode. This in turn drives the flywheel in the kinetic energy storage unit which weighs tons and is laid out as an electric machine with double rotor system which makes energy available in the event of a power outage.

What happens when the primary power source fails?

If the public power grid fails, the systems intervene immediately and without interruption because they are already in action anyway. Part of the energy stored in the flywheel is used to drive the generator, that begins producing electrical power. Meanwhile, another part of the stored rotational energy is used to facilitate very fast start-up of the diesel engine. Within the shortest possible time the engine reaches its rated power output and can now start producing electrical power via the generator and stabilize the flywheel. This happens without any interruption.

How dynamic UPS works - the mtu Kinetic PowerPack - YouTube

Imagery is available for download from: Media Center (mtu-solutions.com)

About Rolls-Royce Holdings plc

Rolls-Royce develops and delivers complex power and propulsion solutions for safety-critical applications in the air, at sea and on land. Our products and service packages enable our customers to connect people, societies, cultures and economies together; they meet the growing need for power generation across multiple industries; and enable governments to equip their armed forces with the power required to protect their citizens.
Rolls-Royce has customers in more than 150 countries, comprising more than 400 airlines and leasing customers, 160 armed forces and navies, and more than 5,000 power and nuclear customers. To meet customer demand for more sustainable solutions, we are committed to making our products compatible with net zero carbon emissions.
Annual underlying revenue was £12.69bn in 2022 and underlying operating profit was £652m.
Rolls-Royce Holdings plc is a publicly traded company (LSE: RR., ADR: RYCEY, LEI: 213800EC7997ZBLZJH69)
Rolls-Royce Power Systems is headquartered in Friedrichshafen in southern Germany and employs more than 9,500 people. The product portfolio includes mtu-brand high-speed engines and propulsion systems for ships, power generation, heavy land, rail and defence vehicles and for the oil and gas industry as well as diesel and gas systems and battery containers for mission critical, standby and continuous power, combined generation of heat and power, and microgrids and is intensively engaged in the development of climate-neutral solutions.