創(chuàng)新型雙燃料電力推進(jìn)+ (DFE+) 推進(jìn)概念用于液化天然氣（LNG）供應(yīng)鏈船舶，該概念基于 MAN 49/60DF 發(fā)動(dòng)機(jī)和 ABB 動(dòng)態(tài)交流配電和控制系統(tǒng)。通過(guò)提高其操作靈活性，有助于減少液化天然氣運(yùn)輸船和浮式儲(chǔ)存及再氣化裝置（FSRU）的碳足跡和燃料費(fèi)用。DFE+ 可使 MAN 49/60DF 在整個(gè)發(fā)動(dòng)機(jī)負(fù)荷范圍內(nèi)以變轉(zhuǎn)速運(yùn)行。MAN 49/60DF 的效率已經(jīng)達(dá)到同類(lèi)最佳水平，DFE+ 則進(jìn)一步提高了效率，并顯著減少整個(gè)發(fā)動(dòng)機(jī)運(yùn)行圖譜內(nèi)的甲烷逃逸，為符合未來(lái)的排放法規(guī)開(kāi)辟了另一條途徑。

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New Dual-Fuel Electric+ drives LNG vessels to the future

The innovative Dual-Fuel Electric+ (DFE+) propulsion concept for vessels in the liquefied natural gas (LNG) supply chain is based on the MAN 49/60DF engine and ABB’s Dynamic AC power distribution and control system. It helps cut carbon footprints and fuel bills for LNG carriers and floating storage regasification units (FSRUs) by allowing higher operational flexibility. DFE+ enables the MAN 49/60DF to run at variable speed over the entire engine load. While the MAN 49/60DF already has best-in-class efficiency, DFE+ manages to raise this efficiency even further and also significant reduces methane slip over the entire engine map, opening up another path for compliance with future emission regulations.

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