Patents by Inventor Zhongpeng SONG

Zhongpeng SONG 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).

  • Adaptive protection method for impedance of parallel capacitors
    Patent number: 11063424
    Abstract: An adaptive protection method for impedance of parallel capacitors comprises monitoring a terminal voltage and current of the capacitor; automatically calibrating the initial impedance of the capacitor when the capacitor is put into operation; calculating a real-time impedance of the capacitor during operation, dynamically updating the actual impedance of the capacitor periodically; comparing the real-time impedance of the capacitor with the actual impedance, updating the actual impedance if the relative value of the modulus of the real-time impedance change does not exceed the dynamic update limit threshold and the dynamic update reaches update period; generating an update failure alarm if the relative value of the modulus of the real-time impedance change exceeds the dynamic update limit threshold; generating a protection alarm if the relative value of the modulus of the real-time impedance change satisfies the protection alarm condition and the delay time is reached; and protecting the trip outlet if the r
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: July 13, 2021
    Assignees: NR ELECTRIC CO., LTD, NR ENGINEERING CO., LTD
    Inventors: Zhongpeng Song, Li Ding, Qunbing Yu, Zhen Jin, Shu Xu, Kaida Dong
  • AN ADAPTIVE PROTECTION METHOD FOR IMPEDANCE OF PARALLEL CAPACITORS
    Publication number: 20200021104
    Abstract: An adaptive protection method for impedance of parallel capacitors comprises monitoring a terminal voltage and current of the capacitor; automatically calibrating the initial impedance of the capacitor when the capacitor is put into operation; calculating a real-time impedance of the capacitor during operation, dynamically updating the actual impedance of the capacitor periodically; comparing the real-time impedance of the capacitor with the actual impedance, updating the actual impedance if the relative value of the modulus of the real-time impedance change does not exceed the dynamic update limit threshold and the dynamic update reaches update period; generating an update failure alarm if the relative value of the modulus of the real-time impedance change exceeds the dynamic update limit threshold; generating a protection alarm if the relative value of the modulus of the real-time impedance change satisfies the protection alarm condition and the delay time is reached; and protecting the trip outlet if the r
    Type: Application
    Filed: July 11, 2017
    Publication date: January 16, 2020
    Applicants: NR ELECTRIC CO., LTD, NR ENGINEERING CO., LTD
    Inventors: Zhongpeng SONG, Li DING, Qunbing YU, Zhen JIN, Shu XU, Kaida DONG