Patents by Inventor Beidou Zhang

Beidou Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Autotransformer traction power supply system equipped with 2×27.5kV outdoor modularized electric apparatus in electrified railway
    Patent number: 8872377
    Abstract: An autotransformer (AT) traction power supply system equipped with 2×27.5 kV outdoor modularized electric apparatus comprises a traction substation located beside an electrified railway, which connects with an up and a down line traction network at output terminal, a parallel apparatus located in the middle and the end of a feeder in the up and down line traction network, which functions as parallel power supply operation, and an over-zone apparatus located around a neutral section insulator between feeders of the up and down line traction network of two adjacent traction substations, which functions as over-zone power supply operation. The parallel apparatus connected with an AT equipment is a modularized electric apparatus which comprises four parallel power supply units. The AT equipment comprises four integrated AT substations which include the first AT, the second AT and an AT modularized electric apparatus.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: October 28, 2014
    Assignee: Zhaorong Industry Development (Shanghai) Co., Ltd.
    Inventors: Jiahua Yu, Beidou Zhang
  • Autotransformer Traction Power Supply System Equipped With 2x27.5KV Outdoor Modularized Electric Apparatus In Electrified Railway
    Publication number: 20120126622
    Abstract: An autotransformer (AT) traction power supply system equipped with 2×27.5 kV outdoor modularized electric apparatus comprises a traction substation located beside an electrified railway, which connects with an up and a down line traction network at output terminal, a parallel apparatus located in the middle and the end of a feeder in the up and down line traction network, which functions as parallel power supply operation, and an over-zone apparatus located around a neutral section insulator between feeders of the up and down line traction network of two adjacent traction substations, which functions as over-zone power supply operation. The parallel apparatus connected with an AT equipment is a modularized electric apparatus which comprises four parallel power supply units. The AT equipment comprises four integrated AT substations which include the first AT, the second AT and an AT modularized electric apparatus.
    Type: Application
    Filed: April 30, 2009
    Publication date: May 24, 2012
    Applicant: Zhaorong Industry Development Co., Ltd.
    Inventors: Jiahua Yu, Beidou Zhang