Improvement of Inter Area Oscillation Damping Using Synchronverter Control Model for Solar Power Plants

Document Type : Original Article

Authors

1 Zanjan Regional Electric Company

2 Department of Electrical Engineering, Sahand University of Technology

Abstract

From a passive defense perspective, renewable sources are strategic resources and can be a good alternative to conventional power plants in the event of war or sanctions. In this paper, the capability of solarpower plant to improve the inter area oscillations damping in the power grid is investigated. Due to the significant increase in solar power plants with high penetration levels in the power system, the participation of these resources in order to increase the damping of power system inter area oscillations seems to be important. Accordingly, the purpose of this paper is to use the Synchronverter control model to improve the inter area oscillations damping and also to increase the inertia of the power system in the presence of a solar power plant. To perform the simulations in this paper, the solar power plant with its controllers in the DSL environment of DIgSILENT PowerFactory software is precisely modeled. In order to show the capability of the synchronverter control model to improve the damping of inter area oscillations, Kundur power system as well as the transmission network of Zanjan Regional Electricity Company have been used to perform simulations in the time domain. The results of the simulations performed in the conditions of occurrence of various disturbances (change of torque, sudden increase of load and short circuit fault), show the proper performance of the proposed method.

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References

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History

  • Receive Date: 02 September 2020
  • Revise Date: 03 February 2021
  • Accept Date: 13 February 2021
  • Publish Date: 22 May 2021

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