公开(公告)号：WO2021076322A1

公开(公告)日：2021-04-22

申请号：PCT/US2020/053355

申请日：2020-09-30

Applicant: SCHWEITZER ENGINEERING LABORATORIES, INC.

Inventor： MANSON, Scott, M. ,  BLOOD, Ellery, A. ,  ZWEIGLE, Gregary, C.

IPC: G01D5/34 ,  H02K11/25 ,  H02P29/024

Abstract: A frequency tracking system may use shaft speed and electrical frequency to estimate a frequency of a monitored machine. The frequency tracking system may convert shaft speed to a mechanical frequency and blend the electrical frequency and the mechanical frequency together to determine an estimated frequency. The frequency tracking system may blend the frequencies based on an operating state of the monitored machine and the frequency sensors.

公开(公告)号：WO2014134164A1

公开(公告)日：2014-09-04

申请号：PCT/US2014/018666

申请日：2014-02-26

Applicant: SCHWEITZER ENGINEERING LABORATORIES, INC.

Inventor： ZWEIGLE, Gregary, C. ,  HEWITT, Eric, J. ,  BLOOD, Ellery, A.

IPC: G06F15/16

CPC classification number: H02J13/001 ,  H02J2003/001 ,  H02J2003/003 ,  Y02E60/724 ,  Y02E60/74 ,  Y04S10/18 ,  Y04S10/30 ,  Y04S10/40 ,  Y04S10/525 ,  Y04S10/54

Abstract: Disclosed is state trajectory prediction in an electric power delivery system. Electric power delivery system information is calculated from measurements by intelligent electronic devices (lEDs), and communicated to a state trajectory prediction system. The state trajectory prediction system may be configured to generate a load prediction profile. The load prediction profile may provide a predicted response of a load at a future time. Further, the state trajectory prediction system may be configured to generate a generator prediction profile that provides a predicted response of a generator at a future time. The state trajectory prediction system may generate a state trajectory prediction based, at least in part, on the load prediction profile and the generator prediction profile. The state trajectory prediction may represent a future state of the electric power delivery system.

Abstract translation: 公开了电力输送系统中的状态轨迹预测。 电力输送系统信息由智能电子设备（lED）的测量计算，并传送到状态轨迹预测系统。 状态轨迹预测系统可以被配置为生成负载预测曲线。 负载预测曲线可以在将来的时间提供负载的预测响应。 此外，状态轨迹预测系统可以被配置为生成在将来的时间提供发电机的预测响应的发电机预测配置文件。 状态轨迹预测系统可以至少部分地基于负载预测配置文件和生成器预测配置文件生成状态轨迹预测。 状态轨迹预测可以表示电力输送系统的未来状态。