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Method for small-signal stability assessment of power systems within instability borders using source side and load side perturbations
Method for small-signal stability assessment of power systems within instability borders using source side and load side perturbations
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机译:使用源侧和负载侧扰动对不稳定边界内的电力系统进行小信号稳定性评估的方法
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摘要
A novel method for real-time small-signal stability analysis within the instability borders for power electronic-based components in a power system. The method may be used to monitor a power system in real-time by perturbing the source side of an electronic-based component of the power system of about 0.5 to 1 percent of a nominal current of the power system at the source side, and perturbing the load side of the power electronic-based component by varying the voltage at the load side. Time-domain results of the perturbations may be transferred to frequency-domain results and the stability of the power system may be monitored by obtaining a Nyquist contour and employing unit circuit criterion or Generalized Nyquist Criterion.
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