가선(2)으로부터의 공급 전력의 종별에 따라 전력의 공급처를 전환하는 교직 전환 회로(12), 입력 교류 전압을 강압하는 변압기(14), 변압기(14)의 탭 위치를 전환하는 탭 체인저(15), 탭 체인저(15)의 출력을 직류 전압으로 변환하는 CNV(17), 탭 체인저(15)와 CNV(17) 사이의 전력 공급 경로를 개폐하는 AC 접촉기(16), CNV(17)의 출력 또는 가선(2)의 출력을 축적하는 FC(18), FC(18)의 출력을 승압하는 CH(21), CH(21)의 출력을 축적하는 FC(22), FC(22)의 출력을 원하는 교류 전압으로 변환하는 INV(24), 교직 전환 회로(12), FC(18)와 CH(21)의 사이를 접속하는 직류 모선(20a, 20b)과의 사이에 접속되어, 교직 전환 회로(12)와 CH(21) 사이의 전력 공급 경로를 개폐하는 DC 접촉기(19), 및 가선 전압의 정보와 외부 지령 정보에 기초하여 탭 체인저(15), AC 접촉기(16), DC 접촉기(19), CNV(17) 및 CH(21)를 제어하는 제어부(30)를 구비한다.

    An electric motor vehicle main circuit system includes an AC-DC switching circuit 12 that switches a supply destination of electric power according to a type of supplied power from an overhead wire 2, a transformer 14 that steps down an input alternating-current voltage, a tap changer 15 that switches tap positions of the transformer 14, a CNV 17 that converts an output of the tap changer 15 into a direct-current voltage, an AC contactor 16 that opens and closes a power supply path between the tap changer 15 and the CNV 17, an FC 18 that accumulates an output of the CNV 17 or an output of the overhead wire 2, a CH 21 that steps up an output of the FC 18, an FC 22 that accumulates an output of the CH 21, an INV 24 that converts an output of the FC 22 into a desired alternating-current voltage, a DC contactor 19 connected between the AC-DC switching circuit 12 and direct-current buses 20a and 20b that connect the FC 18 and the CH 21, the DC contactor 19 opening and closing a power supply path between the AC-DC switching circuit 12 and the CH 21, and a control section 30 that controls the tap changer 15, the AC contactor 16, the DC contactor 19, the CNV 17, and the CH 21 on the basis of information concerning an overhead wire voltage and external command information.


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    Title :

    MAIN CIRCUIT SYSTEM FOR ELECTRIC ROLLING STOCK


    Additional title:

    전기차 주회로 시스템


    Publication date :

    2015-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



    MAIN CIRCUIT SYSTEM FOR ELECTRIC ROLLING STOCK

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