A solar-powered wireless data acquisition system for monitoring electrical substations

  • Authors:

  • N. Harid;A. C. Bogias;A. Haddad

  • Affiliations:

  • College of Engineering, Prince Muhammad bin Fahd University, Khobar, Saudi Arabia and School of Engineering Cardiff University, Queen's Building, The Parade, Cardiff, United Kingdom;School of Engineering Cardiff University, Queen's Building, The Parade, Cardiff, United Kingdom;School of Engineering Cardiff University, Queen's Building, The Parade, Cardiff, United Kingdom

  • Venue:
  • EHAC'12/ISPRA/NANOTECHNOLOGY'12 Proceedings of the 11th WSEAS international conference on Electronics, Hardware, Wireless and Optical Communications, and proceedings of the 11th WSEAS international conference on Signal Processing, Robotics and Automation, and proceedings of the 4th WSEAS international conference on Nanotechnology
  • Year:
  • 2012

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Abstract

-This paper describes a wireless data acquisition system for monitoring electrical substations. The proposed system consists of a Wireless Local Area Network (WLAN - IEEE 802.11b/g) transmitter module equipped with a data acquisition system, having current and voltage sensors, a solar power supply with battery energy storage, and a receiver module connected to a remote controller for data processing. The system can be used to continuously monitor a variety of plant within the substation and has low power consumption with inbuilt overvoltage protection. A prototype has been built, and validation tests have been used to check its performance for monitoring of the leakage current of a distribution surge arrester and an insulator. The measured results are in close agreement with those recorded directly through a Data Acquisition (DAQ) card with fibre-optic and coaxial cable connected systems. The operation of this wireless system has been tested and proven resilient under high-frequency interference signals such as those generated by corona and surface discharges.