Open AccessReliability Analysis of Optical Path Automatic Protection Switching in Ubiquitous Power Communication Network
Author(s) -
Li Shang,
Xinyu Yuan,
Zhiqin Zhang,
Yingmin Li,
S. Nie,
Zhaofeng Li
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1992/3/032128
Subject(s) - redundancy (engineering) , reliability (semiconductor) , telecommunications network , reliability engineering , computer science , communications system , power (physics) , computer network , distributed computing , real time computing , engineering , physics , quantum mechanics
The reliability of power communication network plays an important role in the safe operation of ubiquitous power communication network. In this paper, the reliability model of power communication system is established by adopting the idea of hierarchical modeling. To begin with, the top-down decomposition method is used, the typical distribution network communication system is decomposed into terminal layer subsystem, access layer subsystem, substation communication layer subsystem and master station control layer subsystem. Next, the parameters such as mean time to failures, mean time between failures, mean time to repair and other parameters are used to evaluate the reliability of basic communication products. The reliability of each subsystem is evaluated by non redundant system, complete redundancy system, partial redundancy system and by-pass system; Finally, The bottom-up synthesis method is used to evaluate the reliability of the whole network according to the topological structure of the system. The reliability analysis method proposed in this paper provides a theoretical basis for the reliability evaluation method of power communication network.