公开(公告)号：US20160084919A1

公开(公告)日：2016-03-24

申请号：US14889572

申请日：2014-05-06

Applicant: UNIVERSITY OF SASKATCHEWAN

Inventor： Ramakrishna GOKARAJU ,  Binod SHRESTHA ,  Parikshit A. SHARMA

IPC: G01R31/40 ,  G01R25/00 ,  G01L1/00 ,  G01R21/00

CPC classification number: G01R31/40 ,  G01L1/00 ,  G01R21/00 ,  G01R25/00 ,  H02H7/065 ,  H02P9/102

Abstract: This application describes a state deviation technique for identifying transient instabilities in power systems. Such instabilities may result from disturbances such as external faults and power swing conditions. Detection of transient instabilities is based on the direction of change of phase angle of a machine such as a generator at an equilibrium point. Method and apparatus as disclosed may also be used for assessing system-wide transient stability of a power system or portion thereof.

Abstract translation: 该应用描述了用于识别电力系统中的瞬态不稳定性的状态偏差技术。 这种不稳定性可能是由外部故障和功率摆动条件等干扰引起的。 瞬态不稳定性的检测是基于平衡点等发电机等机械相位角的变化方向。 所公开的方法和装置也可用于评估电力系统或其部分的全系统瞬态稳定性。