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Infrastructure for Integration of Legacy Electrical Equipment into a Smart-Grid Using Wireless Sensor Networks
Paulo Régis C de Araújo1, Raimir Holanda Filho2, Joel J P C Rodrigues3,4,5
1Federal Institute of Ceará (IFCE), 60040-215 Fortaleza, Brazil. pauloregi@gmail.com.
Sensors (Basel, Switzerland)
|April 27, 2018
Summary
This study introduces a wireless sensor network (WSN) infrastructure to integrate legacy electrical equipment into smart grids. The system translates communication protocols, enabling seamless integration and reducing modernization costs for power substations.
Area of Science:
- Electrical Engineering
- Computer Science
- Network Engineering
Background:
- The increasing standardization of electrical equipment communication protocols (DNP3, IEC 61850, MODBUS) poses integration challenges for legacy systems in smart grids.
- Existing electricity distribution networks contain legacy equipment that lacks compatibility with modern smart grid communication standards.
- Modernization of power substations is often costly and complex due to the need to replace or upgrade non-communicating legacy devices.
Purpose of the Study:
- To propose and detail an infrastructure for integrating legacy electrical equipment into smart grid networks.
- To enable seamless communication between older electrical devices and modern smart grid control centers.
- To provide a cost-effective solution for upgrading power substations by leveraging existing infrastructure.
Main Methods:
- Development of an infrastructure utilizing Wireless Sensor Networks (WSNs) to connect legacy electrical devices.
- Implementation of a middleware solution within a sink node to manage communication and protocol translation.
- Ensuring the infrastructure meets smart grid communication requirements, including enhanced security, low latency, and automatic configuration.
Main Results:
- Successful integration of legacy electrical equipment into smart grid networks is demonstrated.
- The proposed middleware effectively translates communication protocols between the power substation control center (PSCC) and legacy devices.
- The infrastructure supports essential smart grid communication criteria: security, rapid response times, and automatic configuration.
Conclusions:
- The developed WSN-based infrastructure offers a viable and cost-effective method for integrating legacy electrical equipment into smart grids.
- Electrical companies can leverage this solution to avoid expensive upgrades and extend the lifespan of their existing assets.
- This approach facilitates the modernization of power substations by bridging the communication gap between old and new technologies.
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