The invention discloses a through-type cophase power supply system based on a cascaded multilevel converter. The through-type cophase power supply system comprises a power electronic converter and a transformer, the through-type cophase power supply system can simultaneously cancel an electric split-phase at an outlet of a substation and an electric split-phase at a partition, realizes whole-line power supply, avoids speed loss of a train, and can also treat the electric energy quality of a power grid. Compared with an existing through-type in-phase power supply system based on a three-phase to single-phase converter, the system uses triangular, V-shaped and rhombic cascaded multi-level converters, so that the capacity of the converters is reduced, the cost is reduced, and the system has higher application value.

    一种基于级联多电平变换器的贯通式同相供电系统,包括电力电子变换器和变压器。所述贯通式同相供电系统能够同时取消变电所出口处电分相和分区所处电分相,实现全线供电,避免了列车的速度损失,除此之外,本系统还能够对电网的电能质量进行治理。与现有的基于三相到单相变换器的贯通式同相供电系统相比,本系统使用的是三角形、V形和菱形级联多电平变换器,这有利于变换器容量的减少,从而降低了成本,更加具有应用价值。


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    Title :

    Through-type cophase power supply system based on cascaded multilevel converter


    Additional title:

    一种基于级联多电平变换器的贯通式同相供电系统


    Contributors:
    LI KAI (author) / ZHANG WENCHANG (author) / ZHANG ZHIBO (author) / ZHENG QIONGLIN (author) / WANG CHENCHEN (author) / GUO JIAWEI (author)

    Publication date :

    2023-07-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / 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