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International journal of electrical power & energy systems v.99, 2018년, pp.134 - 145   SCIE
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Branch current decomposition method for loss allocation in contemporary distribution systems

Kumar, Pankaj (Corresponding author. ) ; Gupta, Nikhil ; Niazi, K.R. ; Swarnkar, Anil ;
  • 초록  

    Abstract The presence of distributed generation (DG) units in reconfigured distribution systems introduces complexity in loss allocation (LA). DG integration alters feeder power losses so DG owners (DGOs) may be incentivized or penalized accordingly, whereas network reconfiguration alters feeding path of network user’s thus further increases complexity in LA. The LA method should judiciously allocate losses among load points and simultaneously reward DGOs and distribution network operator (DNO) for their contribution towards loss reduction. Moreover, the LA method should take care of the reactive power transactions of network users. This paper proposes a branch current decomposition method (BCDM) based upon circuit theory for allocating losses in active reconfigured distribution system while giving due consideration to reactive power transactions of network users. BCDM considers virtual branch voltage drops which is well supported by analytical treatment. In addition, Superposition is utilized to incentivize/penalize DGOs. A new LA strategy is proposed for fair allocation of loss/loss incentives among network users and DNO. Proposed method is thoroughly investigated under varying loading, load power factors and under varying network topologies. The comparison results obtained on standard test distribution system highlights the importance of proposed method. Highlights Proposed a new loss allocation method for active distribution systems. Suggested virtual branch voltage drops to take reactive power transactions. Employed Superposition principle to remunerate DG owners. Proposed strategy for loss allocation in active reconfigured distribution systems.


  • 주제어

    Active distribution systems .   Distributed generations .   Loss allocation method .   Network reconfiguration .   Superposition.  

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