电力系统稳定域边界的逼近一直是应用能量函数方法分析电力系统暂态稳定的难点。

Approximating the boundary of attraction region is very important to the application of the energy function method.

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由于利用文中方法只需通过一次连续性潮流计算即可获得稳定域边界上的切平面，使得稳定域的在线计算及可视化成为可能。

For the tangent plane can be achieved by running continuous power flow method only once, it's possible to realize the online calculation of the static voltage stability region.

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在计算域的边界布置阻尼层，保证了在一个有限的时间域和空间域内得到稳定的计算结果。

A damping layer was arranged at the boundaries of the computational domain to ensure that steady calculation results can be obtained within a finite time and space domain.

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