Abstract
A distribution network is one of the main parts of a power system that distributes power to customers. While there are various types of power distribution networks, a recently introduced novel structure of an aromatic network could begin a new era in the distribution levels of power systems and designs of microgrids or smart grids. In order to minimize blackout periods during natural disasters and provide sustainable energy, improve energy efficiency and maintain stability of a distribution network, it is essential to configure/reconfigure the network topology based on its geographical location and power demand, and also important to realize its self-healing function. In this paper, a strategy for reconfiguring aromatic networks based on structures of natural aromatic molecules is explained. Various network structures are designed, and simulations have been conducted to justify the performance of each configuration. It is found that an aromatic network does not need to be fixed in a specific configuration (i.e., a DDT structure), which provides flexibility in designing networks and demonstrates that the successful use of such structures will be a perfect solution for both distribution networks and microgrid systems in providing sustainable energy to the end users.
Highlights
Extreme natural hazards such as hurricanes have led to severe damages to the existing power grid systems over the years [1,2,3]
The three configurations were set up in a simulation environment using the Electrical Transient and Analysis Program (ETAP) software, load flow and harmonics analyses were conducted, and the results presented
Harmonics analyses of the DDT configurations and radial conditions are performed with the results presented in Tables 4 and 5 for Voltage individual harmonic distortion (IHD) (VIHDs) and Voltage total harmonic distortion (THD) (VTHDs), respectively
Summary
Extreme natural hazards such as hurricanes have led to severe damages to the existing power grid systems over the years [1,2,3]. A2a3 is a binary variable equal to 1 if bus a3 is the parent of bus a2 and 0 otherwise, and so on, and Equation (6) is the overall configuration of an aromatic network (DDT) which connects two benzene structures through the coupling point (xi). This DDT network’s reconfiguration can be expressed by modifying Equations (4)–(6) as (26T)h. An additional overhead line and an underground cable are added to the Aromatic DDT network to obtain this acenaphthylene structure for a power distribution network This structure is suitable for small islands with high load demands where the utility grid is not available, the slack bus will be supported by the DGs. The acenaphthylene structure can effectively handle high load demands with minimum or no voltage profile issues with the help of an extra. The decision parameters “1” and “0” represent the connection status to determine how the network is configured (“1” signifies connect while “0” disconnect)
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