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Ljubljana Symposium 2021

International CIGRE Symposium organized by the Slovenian National Committee and supported by ten Study Committees

Ljubljana, Slovenia - November 21-24, 2021


New deadline for receipt of the Synopsis: 31 October 2020 at midnight


Registrations for the Symposium will open on 1st June 2021


Symposium of CIGRE in Slovenia celebrates 100 years of CIGRE and 40 years of Symposia


Symposium theme "Focus on future infrastructure of decarbonized system". Participating Study Committees: A1, A2, A3, B1, B2, B3, B4, B5, C3 and D1.


Download File Download the Call for Papers


Preferential subjects:

PS1 - Structural changes of existing equipment and infrastructure

  • Increased capacity by upgrading existing equipment and infrastructure
  • Standardization
  • Needs of new design of equipment and infrastructure
  • Technologies of end to end networks (LV to UHV) including micro-grids and super-grids
  • Optimal voltages of equipment for renewables
  • Decarbonization of network equipment and infrastructure


PS2 - New equipment and infrastructure

  • Interconnections between regions and countries
  • Generation, transmission, energy storage
  • Renewable energy, distribution
  • Use of Process Bus including Low Power Instrument Transformers and evolutions of Protection Automation and Control Systems
  • Environmental impact on future design (visual, audible noise, Electro Magnetic Compatibility, etc.)
  • New materials for equipment (nano technology, High Temperature Superconducting, ceramic, etc.)


PS3 – Security of the network

  • Climate change impact on equipment and infrastructure (icing, fire, wind, floods, landslides, etc.)
  • Physical security, safety
  • Cyber security
  • Solutions for protection in the low inertia grids
  • Contribution of equipment and infrastructure to increase the grid resilience


Leading Study Committees will be SC B5 and SC B2.



  • Reception of synopses: 31 October 2020
  • Notification of acceptance : 20 November 2020
  • Receipt of full paper: 26 February 2021
  • Notification of final acceptance: 16 April 2021


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