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Bifurcation, chaos, and voltage collapse in power systems

机译:电力系统中的分叉,混乱和电压崩溃

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摘要

A model of a power system with load dynamics is studied by investigating qualitative changes in its behavior as the reactive power demand at a load bus is increased. In addition to the saddle node bilification often associated with voltage collapse, the power system exhibits sub- and supercritical Hopf bifurcations, cyclic fold bifurcation, and period doubling bifurcation. Cascades of period doubling bifurcation terminate in chaotic invariant sets. The presence of these new bifurcations motivates a reexamination of the saddle-node bifurcation as the boundary of the feasible set of power injections.
机译:通过研究随着负载总线上无功功率需求的增加,其行为发生质的变化,研究了具有负载动力学的电力系统模型。除了经常与电压崩溃相关的鞍形节点开裂之外,电力系统还表现出亚临界和超临界霍夫夫分叉,循环折叠分叉和周期加倍分叉。倍增周期分叉的级联终止于混沌不变集。这些新的分叉的存在促使重新审视鞍形节点分叉,将其作为可行的动力注入装置的边界。

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