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Keywords:

  • supervision and coordination strategies;
  • distributed reference governors;
  • multi-area power microgrids;
  • load frequency control;
  • networked control systems;
  • fault tolerant control

SUMMARY

A distributed supervisory strategy for addressing load/frequency set-point reconfiguration problems in networked multi-area microgrid is presented. The aim is at finding a distributed coordination strategy able to reconfigure, whenever necessary in response to unexpected load changes and/or faults, the nominal set-point on frequency and generated power to the generators of each area so that viable evolutions arise for the overall power system during transients and a new post-fault sustainable equilibrium is reached. In order to demonstrate the effectiveness of the strategy, an example on a four-area power system is presented. Copyright © 2014 John Wiley & Sons, Ltd.