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Power system protection under Smart Grid environment

Power system protection under Smart Grid environment

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This chapter begins with reviewing protection of power system prior to the Smart Grid era and then proceeds to discuss power system protection under Smart Grid environment highlighting the expected benefits. The operating concepts of Smart Grid protection relays will then be explained followed by discussing intelligent fault circuit indicators (FCIs) for Smart Grid applications. Communication infrastructure that suits protection requirements will then be discussed. The architecture of Smart Grid protection system (SGPS) will be discussed highlighting the application of multiagent technology and the relationship between multiagent systems and IEC 61850. This will be further explained by using examples on development of smart adaptive protection systems for microgrids and smart distribution networks (DNs). Finally, the chapter will be concluded by presenting protection system architecture based on IEC 61850.

Chapter Contents:

  • 7.1 Introduction
  • 7.2 Protection prior to the Smart Grid era
  • 7.3 Protection systems under Smart Grid environment
  • 7.3.1 Operating concepts of Smart Grid protection relays
  • 7.3.1.1 Adaptable to power system configuration changes
  • 7.3.1.2 Intelligently collecting protection relay data
  • 7.3.2 Fault circuit indicator
  • 7.4 Smart Grid communication infrastructure that suits protection requirements
  • 7.5 Smart Grid requires smarter protection
  • 7.6 Architecture of Smart Grid protection system
  • 7.7 Examples on development of smart adaptive protection systems
  • 7.7.1 Smart adaptive protection for microgrids
  • 7.7.1.1 Definition of the problem
  • 7.7.1.2 Solution
  • 7.7.2 Adaptive protection for smart distribution networks
  • 7.7.2.1 Definition of the problem
  • 7.8 Protection system architecture based on IEC 61850
  • 7.8.1 Traditional practices
  • 7.8.2 New opportunities offered by the introduction of IEC 61850 standard
  • 7.9 Summary
  • References

Inspec keywords: distributed power generation; smart power grids; multi-agent systems; power system protection; distribution networks

Other keywords: smart distribution networks; power system protection; fault circuit indicators; smart grid protection relays; microgrids; multiagent technology; IEC 61850; smart grid environment; smart adaptive protection systems; multiagent systems

Subjects: Distributed power generation; Power system protection; Distribution networks; Power systems

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