Research on the Reliability Evaluation Method for DC Grid

Abstract:

The reliability indexes and evaluation methods of AC transmission system and high voltage direct current (HVDC) transmission system were introduced. According to the characteristics of the DC grid, whether the above methods could be applied to DC grid reliability evaluation was analyzed, and the reasons and applications were also presented. The results show that state enumeration method, Monte Carlo method, and hybrid method can be applied to the large scale DC grid reliability assessment, based on either the grid frame structure or the power flow calculation; and the FD (frequency and duration)-FTA (fault tree analysis) method and FD-model combination method are more suitable for simple DC grid reliability assessment based on grid frame structure.

• Periodical: Advanced Materials Research (Volumes 732-733)
• Pages: 762-766
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.732-733.762
• Online since: August 2013
• Authors: Hong Yang Dai, Ya Lou Li, Jian Hong Hao, Mu Yi Li
• Keywords: DC Grid, Reliability Evaluation, Transmission System

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