A hybrid energy system (11, 102) for providing power to a load (118) and for providing a fast variation of DC link voltage to improve system efficiency is disclosed. The system includes a load (118), a direct current (DC) link (16, 114) electrically coupled to the load (118), an energy storage system (15, 106) having a first energy storage device (14, 110) and a second energy storage device (20, 112) arranged in series, and a bi-directional DC-DC converter (12, 108) electrically coupled to the DC link (16, 114) and to the energy storage system (15, 106), the bi-directional DC-DC converter (12, 108) being connected to a node (21, 124) located between the first energy storage device (14, 110) and the second energy storage device (20, 112) and to a node (22) connecting the second energy storage device (20, 112) to the DC link (16, 114).
HYBRID SYSTEM WITH MULTIPLE ENERGY STORAGE DEVICES
HYBRIDES SYSTEM MIT MEHREREN ENERGIESPEICHERVORRICHTUNGEN
SYSTÈME HYBRIDE AYANT DE MULTIPLES DISPOSITIFS DE STOCKAGE D'ÉNERGIE
2017-03-01
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |