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With the increasing integration of distributed PV generation, thedistribution network requires more and more flexibility to achieve thesecurity-constrained optimal power dispatch. However, the conventionalflexibility sources usually require additional investment cost for equipment.Moreover, involving the security constraints is very challenging due to therequirements of accurate network model that may be unavailable in practice.This paper addresses the aforementioned challenge by proposing a topology-freeoptimal power dispatch framework for distribution networks. It utilizesbuilding thermal inertia to provide flexibility to avoid additional investment.To guarantee the operation safety, a multi-layer perception (MLP) is trainedbased on historical operational data and then reformulated as mixed-integerconstraints to replace the inexplicit original security constraints. Numericalresults confirm that the proposed framework can derive a feasible and optimalstrategy without any topology information.

Topology-free optimal power dispatch for distribution network considering security constraints and flexible building thermal inertia