Patents by Inventor Tiantian CAI

Tiantian CAI 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).

  • Chip-level software and hardware cooperative relay protection device
    Patent number: 11973338
    Abstract: A chip-level software and hardware cooperative relay protection device is provided. The device includes: a control chip, wherein a first control unit, a second control unit, and multiple logic circuits are integrated on the control chip; and the logic circuits perform microsecond-level rapid calculation on electrical signals of a protected electrical device, obtain fault feature parameters of the protected electrical device are and transmit same to the first control unit, then perform millisecond-level real-time protection logic determination according to the fault feature parameters of the protected electrical device to obtain relay protection results of the protected electrical device, and protect the protected electrical device by controlling an external relay according to the relay protection results.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: April 30, 2024
    Assignee: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRID
    Inventors: Peng Li, Wei Xi, Xiaobo Li, Hao Yao, Yang Yu, Tiantian Cai, Junjian Chen
  • CHIP-LEVEL SOFTWARE AND HARDWARE COOPERATIVE RELAY PROTECTION DEVICE
    Publication number: 20240097433
    Abstract: A chip-level software and hardware cooperative relay protection device is provided. The device includes: a control chip, wherein a first control unit, a second control unit, and multiple logic circuits are integrated on the control chip; and the logic circuits perform microsecond-level rapid calculation on electrical signals of a protected electrical device, obtain fault feature parameters of the protected electrical device are and transmit same to the first control unit, then perform millisecond-level real-time protection logic determination according to the fault feature parameters of the protected electrical device to obtain relay protection results of the protected electrical device, and protect the protected electrical device by controlling an external relay according to the relay protection results.
    Type: Application
    Filed: March 11, 2022
    Publication date: March 21, 2024
    Applicant: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRID
    Inventors: Peng LI, Wei XI, Xiaobo LI, Hao YAO, Yang YU, Tiantian CAI, Junjian CHEN