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Real-Time GIC Simulator D: H. Boteler, L. Trichtchenko, J. Parmelee, S. Souksaly

A real-time simulator to help power system operators manage the network during geomagnetic disturbances, prevent equipment damage, and avoid blackouts. Specifically designed for Hydro One in Ontario.

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Real-Time GIC Simulator D: H. Boteler, L. Trichtchenko, J. Parmelee, S. Souksaly

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  1. Real-Time GIC Simulator D. H. BOTELER, L. TRICHTCHENKO, J. PARMELEE, S. SOUKSALY Geomagnetic Laboratory, Natural Resources Canada R. PIRJOLA Space Research, Finnish Meteorological Institute L. MARTI Investment Planning Division, Hydro One

  2. OBJECTIVES: • Provide information to power system operators > to help them manage the power system during geomagnetic disturbances > to prevent equipment damage (transformer overheating) > and system failures (power blackouts)

  3. USER: HYDRO ONE Operator of the Power Transmission Network in the Province of Ontario • 640,000 square km region • 28,600 km grid 500, 230, 135 kV • 520,000 transformers • 25,000 MW peak power

  4. USER NEEDS • Keep Ontario supplied with power • Protect against natural disasters lightning, ice storm, earthquakes, magnetic storms • Know when GIC are building up in the system • Alert power system operators to hazardous GIC levels

  5. USER SATISFACTION: • Pleased with displays • Engineers using system to monitor GIC during storms • Want more verification of system before putting in control centre • Installing GIC sensors at some sites

  6. SUSTAINABILITY: • Ongoing operation supported by Geomagnetic Lab. part of Canadian Space Weather Forecast Service extra effort: nil, incremental cost: zero • Further development of the system is being funded though Natural Resources Canada ‘Energy Infrastructure Protection Division’ • Final system will be transferred to Hydro One to operate on the main control centre computers. We provide ‘feed’ of real-time geomagnetic data • Future Funding options • 1) paid service 2) government funded option (2) is most likely - energy protection is critical to the health and safety of the public.

  7. IMPROVEMENTS (1): • Include GIC Measurements in Simulation- overdetermined solution - need best fit • - change matrix solution to use Singular Value Decomposition • Add more magnetic field measuring sites - non-uniform magnetic source fields • Further develop modelling of geo-electric fields- 2D/3D ground conductivity structure • Transition to Control Centre computers - allows automatic updates of system configuration

  8. IMPROVEMENTS (2): • Operating the Services in a Network? User: - only accessing one specific service Supplier: - only using local inputs - only delivering to one specific client • Improved upstream data provision? Add more magnetic field measuring sites - use research-funded satellite links - paying full cost for links would make service unsustainable. - could be done at lower cost with Internet connections

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