OPTIMAL OPERATION OF ACTIVE DISTRIBUTION NETWORK IN ENERGY, SPINNING RESERVE AND REACTIVE POWER MARKETS USING VIRTUAL POWER PLANTS CONCEPT

In this paper, we propose a new method for solving of optimal operation problem of active distribution networks (ADNs) in energy, spinning reserve service, and reactive power service markets using technical virtual power plant (TVPP) concept. TVPP with considering network and its DER constraints provide active operation of distribution network in order to maximize its profit. A security constraints price-based unit commitment (SCPBUC) model, whose security constraints are related to the supply-demand balancing and to the operation of distribution network, is proposed. In addition to optimal bidding in the markets, the proposed model results show that ADN with using VPP concept can operate its network securely. The presented model is a non-convex nonlinear mixed-integer optimization solved by mixed-integer nonlinear programming (MINLP).

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