DC微电网的分散稳定条件:超越无源性方法
Decentralized Stability Conditions for DC Microgrids: Beyond Passivity Approaches
摘要:
我们考虑的问题,确保稳定的直流微电网通过分散的条件。这样的条件推导出制定为局部定义的子系统的输入输出特性。这些遵循微电网的各种分解和相应的属性所产生的表示。结果表明,这些稳定性条件可以结合在一起,通过适当的同伦参数,从而减少保守性相对于更传统的分散的方法,往往依赖于钝化的总线动态。最后通过算例验证了所得结果的有效性和适用性。
英文摘要:
We consider the problem of ensuring stability in a DC microgrid by means of decentralized conditions. Such conditions are derived which are formulated as input-output properties of locally defined subsystems. These follow from various decompositions of the microgrid and corresponding properties of the resulting representations. It is shown that these stability conditions can be combined together by means of appropriate homotopy arguments, thus reducing the conservatism relative to more conventional decentralized approaches that often rely on a passivation of the bus dynamics. Examples are presented to demonstrate the efficiency and the applicability of the results derived.
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