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Role of outage management strategy in reliability performance of multi-microgrid distribution systems

Farzin, H ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1109/TPWRS.2017.2746180
  3. Abstract:
  4. This paper develops a general framework for reliability assessment of multi-microgrid (MMG) distribution systems. It also investigates reliability impacts of coordinated outage man-agement strategies in a MMG distribution network. According to the proposed reliability evaluation framework, which is based on sequential Monte Carlo simulation method, distribution system is divided into smaller sections/microgrids based on protection sys-tem configuration and operating measures are efficiently simulat-ed considering different operation modes. In order to demonstrate the role of outage management strategy in reliability performance of MMG distribution systems, at first, the required features of an outage management strategy are identified. Then, suitable centralized and hierarchical schemes are introduced for operation of such systems during outage events. The proposed schemes, which are based on model predictive control (MPC) approach, minimize total load curtailments in the system. Moreover, they are flexible and can effectively deal with multiple contingencies as well as uncertainties of outage duration. The developed reliability assessment framework is applied to a test system and performance of the presented outage management schemes are explored through extensive case studies. Obtained results suggest that implementation of an appropriate coordinated scheme is crucial to reliable operation of MMG distribution systems. IEEE
  5. Keywords:
  6. Distribution system reliability ; Energy storage ; Indexes ; Load modeling ; Microgrids ; Modelpredictive-control (MPC) ; Multi-microgrid (MMG) distribution system ; Outage management scheme (OMS) ; Power system reliability ; Reliability ; Uncertainty
  7. Source: IEEE Transactions on Power Systems ; 2017 ; 08858950 (ISSN)
  8. URL: https://ieeexplore.ieee.org/document/8023892