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    • 7. 发明申请
    • GRID OSCILLATION ANALYSIS METHOD AND APPARATUS THEREFOR
    • 网格振荡分析方法及其设备
    • US20120232820A1
    • 2012-09-13
    • US13505118
    • 2010-11-18
    • Douglas Wilson
    • Douglas Wilson
    • G06F19/00G01R25/00H02J3/24
    • H02J3/24Y02E60/728Y04S10/265
    • A method for determining the contribution of a grid subsystem (12) to oscillations in grid frequency experienced by an external electrical grid (14) in an electrical power network (10). A measurement of grid frequency is taken in the grid sub-system (12) and/or the external electrical grid (14). The measurement(s) of grid frequency can be used to extract oscillations in grid frequency in the grid subsystem (12) and/or the external electrical grid (14). A measurement of active power is recorded on a transmission line (16c) between the grid subsystem (12) and the external electrical grid (14). The phase relationship between the oscillations in grid frequency and the oscillations in active power allows the contribution of the grid subsystem (2) to oscillations in grid frequency in the external electrical grid (14) to be determined.
    • 一种用于确定电网子系统(12)对电力网络(10)中的外部电网(14)经历的电网频率振荡的贡献的方法。 电网频率的测量在电网子系统(12)和/或外部电网(14)中进行。 电网频率的测量可用于提取电网子系统(12)和/或外部电网(14)中电网频率的振荡。 在电网子系统(12)和外部电网(14)之间的传输线(16c)上记录有功功率的测量。 电网频率振荡与有功功率振荡之间的相位关系允许确定电网子系统(2)对外部电网(14)中电网频率振荡的贡献。