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SWIMIC: Solar Wind Monitoring and Induction Modelling for Induced Currents

SWIMIC aims to enhance grid management through real-time geomagnetic monitoring, magnetic activity forecasts, and GIC flow modelling for the Scottish power grid. The service includes a solar wind shock monitor and a comprehensive grid network model. User satisfaction surveys have shown positive feedback, with potential for further improvements and sustainability. Prospects for the future include predictive elements, integration with European grid models, and the development of an online historical database.

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SWIMIC: Solar Wind Monitoring and Induction Modelling for Induced Currents

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  1. SWIMIC: Solar Wind Monitoring and Induction Modelling for Induced Currents SDA Objectives To build on service developed for Scottish Power plc in 1999: GIC monitoring data Magnetic Activity Forecasts To add new relevant functions for grid management Solar Wind shock monitor (as geomagnetic storm precursor) Model GIC flow everywhere in the Scottish power grid (in addition to measurements made at 4 sites) Alan Thomson, Allan McKay, Ellen Clarke, Sarah Reay, Orsi Baillie

  2. SWIMIC: User Needs Questionnaire sent to Scottish Power to add to knowledge built up from existing contract engineers backed planned development Main Needs: ‘Big Picture’ Real-time geomagnetic monitoring data for GIC confirmation.At 15 minute update. Daily magnetic activity forecast to 3 days ahead.Existing servicebasicallyOK. Solar wind shock monitor for warning of magnetic storm onset.Since any accurate and advance warning is ideal. Would prefer to know hours ahead of storms. Scottish Power grid network model and estimated GIC in the grid.Keen to know what’s happening anywhere in the grid at any time. What’s the long term risk? Measured and Grid Modelled GIC

  3. SWIMIC: User Satisfaction 1. Based on discussions and a questionnaire completed by Scottish Power and National Grid engineers: SWIMIC is easy to use, intuitive. Would like more science background Would like a complete UK grid Would like ‘forensic analysis’ rapidly on-line for major storms in progress 2. Science Benefit: BGS View Allowed construction of a ‘state of the art’ system, complete with model accuracies and with identification of limitations or potential for users. Papers, presentations, public profile. Real Time Geomagnetic Monitoring Data

  4. SWIMIC: Service Sustainability and Business Plan 1st Year Adapt to recent UK power market changes. Make minor adjustments in service (NB: SWIMIC benefits from existing real time processing set up for observatories, development work ~100keuro). Interface with Subsequent Years Use SWIMIC as an industry ‘state of art demonstrator’ of capability? Would like an ‘industry champion’ to promote within power industry. Possibly need European consortium of users to share costs of service. Since … Single user for current system ~20-30keuro (because need quality, real time, observatory data). NB: UK government supports UK magnetic observatory operations ~150keuro, and BGS is not-for-profit government institute. Real Time Shock Detector

  5. SWIMIC: Prospects for Improvements Midterm Review In ~18 months Update models: e.g. new grid layout Check model accuracy statistics Sustainability in Longer Term Any developments will depend on other studies/contract work. Add a predictive element to service, giving more advance warning of GIC. Difficult! Extend grid across UK for new grid operator. Or, integrate with European wide grid model? Add rapid “forensic analysis” of storms/GIC Build an online historical database. Higher level of quality controlled solar wind data for shock monitor would increase reliability. Real Time GIC Estimates

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