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).

  • Publication number: 20240178648
    Abstract: An integrated circuit-based nano-relay, comprising: an integrated circuit system of the nano-relay constructed according to an integrated circuit module built from a combinational logic circuit. An integrated power data processing algorithm is called by means of the integrated circuit module to perform signal processing on an input power signal, and power service data is output, that is, an integrated circuit is mainly constructed by means of the combinational logic circuit, the protection logic of the nano-relay is achieved by means of a hardware circuit module, and a response speed of the relay is improved.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 30, 2024
    Applicant: DIGITAL GRID RES. INST., CHINA SOUTHERN PWR. GRID
    Inventors: Peng LI, Xiangjun ZENG, Wei XI, Xiaobo LI, Hao YAO, Yang YU, Tiantian CAI
  • 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
  • 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