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应用微分拓扑学理论对电力系统注入空间上的动态安全域（DSR）的特性作了分析.结果表明,注入功率空间上的动态安全域边界不会打结,且是紧致的,基于相关不稳定平衡点法所定义的注入功率空间上的动态安全域内部无洞.最后用10机39节点新英格兰系统为算例显示了注入空间动态安全域的这些性质.
Based on the theory of differential topology, the characteristics of the dynamic security domain (DSR) injected into the power system are analyzed. The results show that the dynamic security domain boundaries injected into the power space are not knotted and compact, The steady-state equilibrium method has no hole inside the dynamic security domain of the injection power space.Finally, the 10-machine 39-node New England system is used as an example to show these properties of the dynamic security domain injected into the space.