| 摘要 |
A power generation system has a prime mover, ideally an internal combustion engine 1, driving an alternator 2 to create a primary source of electric power and a power converter, ideally an organic Rankine cycle engine 8, having a secondary electric generator 108 which utilises energy contained in the exhaust and/or cooling system of the prime mover. An electrical output of the secondary generator is used without rectification or inversion as a power source to enhance a driving torque applied to a rotor of the alternator by the prime mover by; driving an electric motor 11 connected to apply a driving torque to the output shaft of the prime mover, and/or driving an electric motor which is an integral part of the alternator, and/or powering the exciter of the alternator. Preferably, liquid working fluid supplied to an evaporator of the power converter is preheated in a recuperator by heat exchange with the gaseous working fluid of the secondary generator. The arrangement improves the fuel efficiency of the system without the need for costly rectification inversion and synchronization circuitry. |
