Hybrid power system state estimation with irregular sampling

Hybrid power system state estimation with irregular sampling
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不规则采样混合电力系统状态估计

DOI:
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发表时间:
2017
期刊:
IEEE Power & Energy Society General Meeting
影响因子:
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通讯作者:
M. Transtrum
M. Transtrum
中科院分区:
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文献类型:
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作者:
A. Stanković;Vanja G. Svenda;A. Sarić;M. Transtrum

文献摘要

被引文献

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提出了一种在传感器采样不规则和通信随机时延情况下的电力系统状态估计算法。我们的状态估计器结合相量测量单元(PMU)和SCADA测量。我们使用一个扩展卡尔曼滤波器为基础的算法的测量和状态变量的时间对准。PMU、SCADA和状态估计均采用时间戳。所提出的算法的应用程序说明了每小时/每日负荷/发电量的变化,两个测试的例子:14总线和118总线。
The paper proposes a power system state estimation algorithm in the presence of irregular sensor sampling and random communication delays. Our state estimator incorporates Phasor Measurement Units (PMU) and SCADA measurements. We use an Extended Kalman filter based algorithm for time alignment of measurements and state variables. Time stamps are assumed for PMU, SCADA and state estimation. Application of the proposed algorithm is illustrated for hourly/daily load/generation variations on two test examples: 14-bus and 118-bus.