Abstract
Network architecture of any real-time system must be robust enough to absorb several network failures and still work smoothly. Smart Grid Network is one of those big networks that should be considered and designed carefully because of its dependencies. There are several hybrid approaches that have been proposed using wireless and wired technologies by involving SDH/SONNET as a backbone network, but all technologies have their own limitations and can’t be utilized due to various factors. In this paper, we propose a fiber optic based Gigabit Ethernet (1000BASE-ZX) network named as Territory Substation Area Network (T-SAN) for smart grid backbone architecture. It is a scalable architecture, with several desired features, like higher coverage, fault tolerance, robustness, reliability, and maximum availability. The use case of sample mapping the T-SAN on the map of People Republic of China proves its strength to become backhaul network of any territory or country, the results of implemented architecture and its protocol for fault detection and recovery reveals the ability of system survival under several random, multiple and simultaneous faults efficiently.
Highlights
The generated data from different sources in a smart grid system is enormous
Several experiments were conducted to validate the functionality of the suggested scheme Territory Substation Area Network (TSAN)
Practically it varies as Scenario 2 and 3 of Fig. 10, the Substation A sends aliveness message to Control Center and got a failure, but the detection took longer than expected time but it cannot exceed the time of three heartbeat messages
Summary
The generated data from different sources in a smart grid system is enormous. This data might contain meter readings, real-time price updates, sensor data or other control information. To enable the smart substation system for the exchange of this much huge data is the most critical part of communication infrastructure in smart substations architecture. Though there is no de facto networking standard of smart grid available [1]. An entirely new networking system is needed for interconnected substations [1]. The communication network of an interconnected substation system demands few essential features, such as Reliability, Acceptable Response delay, Scalability, Fault Tolerance, high availability, Wide coverage, and Security
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