The invention relates to the track traffic traction power supply technology field, and especially provides a track traffic regenerative braking energy feedback bidirectional conversion circuit based on IGBT. The circuit is composed of a power grid DC, a direct current isolation switch DC-QS, bidirectional alternating current convertor units AC/DC, a capacitor C1, a reactor L1, an alternating current breaker AC-QF, an isolation transformer F, an alternating current isolation switch AC-QS and a traction transformer station power grid AC in series connection from left to right in order. Eight bidirectional alternating current convertor units AC/DC are in parallel connection. In the same device, the provided bidirectional conversion circuit can be used for inversion of DC/AC and also can be used for rectification of DC/AC. Without addition of device hardware configuration, the device duty ratio is raised greatly, and the duty ratio can reach more than 95%.


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    Titel :

    Track traffic regenerative braking energy feedback bidirectional conversion circuit based on IGBT


    Beteiligte:
    LU WEI (Autor:in) / XUE QUANYI (Autor:in)

    Erscheinungsdatum :

    23.12.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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