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While adding new capabilities, the distributed energy resource proliferation raises great concern about challenges such as dynamic fluctuations of voltages. For example, in a volatile setting with highly uncertain renewable generation and customer consumption, it is challenging to provide reliable power and voltage prediction for operational planning purposes to mitigate risks, e.g., over-voltages...
The increasing integration of distributed energy resources (DERs) calls for new monitoring and operational planning tools to ensure stability and sustainability in distribution grids. One idea is to use existing monitoring tools in transmission grids and some primary distribution grids. However, they usually depend on the knowledge of the system model, e.g., the topology and line parameters, which...
This paper is motivated by the open questions concerning effective nonlinear state estimation (SE) approaches. The basic difficulty comes from the highly nonlinear functions relating measurements and voltages defined by the AC power flow models. Today's AC power flow SE approach is, therefore, a highly non-convex problem and, as such, it is prone to convergence problems and sub-optimal solutions....
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