A hybrid energy system (11 and 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 comprises: a load (118); a Direct Current (DC) link (16 and 114) which is electrically coupled to the load (118); an energy storage system (15 and 106) which includes a first energy storage device (14 and 110) and a second energy storage device (20 and 112) arranged in series; and a bi-directional DC-DC converter (12 and 108) which is electrically coupled to the DC link (16 and 114) and to the energy storage system (15 and 106). In this case, the bi-directional DC-DC converter (12 and 108) is connected to a node (21) located between the first energy storage device (14 and 110) and the second energy storage device (20 and 112) and to a node (22) connecting the second energy storage device (20 and 112) to the DC link (16 and 114).

    부하(118)에 전력을 제공하고, DC 링크 전압의 신속한 변화를 제공하여 시스템 효율을 개선시키는 하이브리드 에너지 시스템(11, 102)을 개시한다. 그 시스템은 부하(118); 이 부하(118)에 전기적으로 결합된 직류(DC) 링크(16, 114); 직렬로 배치된 제1 에너지 저장 장치(14, 110) 및 제2 에너지 저장 장치(20, 112)를 갖는 에너지 저장 시스템(15, 106); 및 DC 링크(16, 114) 및 에너지 저장 시스템(15, 106)에 전기적으로 결합된 양방향 DC/DC 컨버터(12, 108)를 포함하며, 양방향 DC/DC 컨버터(12, 108)는 제1 에너지 저장 장치(14, 110)와 제2 에너지 저장 장치(20, 112) 사이에 위치한 노드(21)에, 그리고 제2 에너지 저장 장치(20, 112)를 DC 링크(16, 114)에 연결하는 노드(22)에 연결된다.


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    Title :

    HYBRID SYSTEM WITH MULTIPLE ENERGY STORAGE DEVICES


    Additional title:

    다중 에너지 저장 장치를 갖는 하이브리드 시스템


    Contributors:
    HUH KUM KANG (author) / PAN DI (author)

    Publication date :

    2017-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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