If the turbocharger efficiency is higher than 65%, this system can recover the surplus exhaust gas energy without power turbine. Therefore. the structure is much simplified without additional investment of power turbine system.

• 若涡轮增压器总效率大于65%25时，该系统能回收剩余废气功而不用动力涡轮，在结构上也大大简化，可减少不用动力涡轮系统的附加投资。