Kettner, Andreas MartinPaolone, Mario2017-07-022017-07-02201810.1109/TPWRS.2017.2719583https://infoscience.epfl.ch/handle/20.500.14299/138739WOS:000418776400118This letter provides conditions determining the rank of the nodal admittance matrix, and arbitrary block partitions of it, for connected AC power networks with complex admittances. Furthermore, some implications of these properties concerning Kron Reduction and Hybrid Network Parameters are outlined.Nodal Admittance MatrixRankBlock FormNetwork PartitionKron ReductionHybrid Network Parametersepfl-SmartgridsCOMMELEC-NRP70text::journal::journal article::research article