Power System Technical Performance and Advances in Electrical Studies
Explore the latest updates and advancements in power system technical performance, electromagnetic compatibility, and insulation coordination discussed at the 2020 Virtual Study Committee Update Meeting. Topics include challenges, tools, models, and emerging phenomena in power quality, system reliability, and grid resilience.
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Study Study Committee Committee Update Meeting Update Meeting C4 System Technical Performance C4 System Technical Performance Canadian Representative: [David Jacobson] Canadian Representative: [David Jacobson] Presented Presented by: [David Jacobson] by: [David Jacobson] 2020 Virtual Study Committee Update Meeting November 6, 2020
2 SC C4 Introduction Scope Power system technical performance covers the time scale range from nanoseconds to many hours and the frequency range from 0 Hz up to 10 GHz. The scope of C4 includes development of tools, analytical techniques, measurements, numerical and real-time simulation methods, and equipment modeling needed within the areas of power quality, electromagnetic compatibility and interference, insulation coordination, lightning and power system dynamics. Strategic Direction (2018-2022 term of Zia Emin) Form WGs and write reference papers with particular emphasis on: The study of end-to-end supply systems inclusive of transmission and distribution, The solutions for maintaining the quality and security of supply, The analysis of the system implications of new generation technologies and their integration to the wider system. 2020 Virtual Study Committee Update Meeting November 6, 2020
EM Phenomena of Interest to C4 2020 Virtual Study Committee Update Meeting November 6, 2020 3
2020 Preferential Subjects PS 1: Improving Power System Technical Performance Through the Use of Advanced Methods, Models and Tools The analysis of widespread dynamic security issues including [intentional] electromagnetic interference, weather, and geomagnetically induced currents. The assessment of frequency stability, system strength, or power quality using Big Data analytics. Development of emerging metrics and tools for quantifying power system reliability, resiliency, and flexibility. PS 2: Modelling of the Future Grid Based on Lessons Learned from System Events Experience gained from Smart Grid Projects High Penetration levels of inverter-based devices Deployment of energy storage systems PS 3: Methods, Models and Techniques for Lightning, Power Quality and Insulation Coordination to Enhance the Performance of the Evolving Grid UHV AC and/or DC systems Renewable generation, inverter-oriented power systems and traction loads Harmful interactions between power system components Paper allotment increased: 81 synopsis received. Final tally of presented papers: PS1-25, PS2-9,PS3-21, 2-NGN (57 presentations). Between 150 and 250 delegates attended. 158 questions answered. 2020 Virtual Study Committee Update Meeting November 6, 2020 4
2022 Preferential Subjects PS 1: Challenges and advances in Power Quality and Electromagnetic Compatibility Modelling, measurement and assessment of PQ phenomena including emerging areas such as supraharmonics, harmonic instability, geomagnetically induced currents and other similar phenomena, Integration and application of advanced signal processing, artificial intelligence techniques and big data analytics for event diagnostics and system planning purposes such as hosting capacity or emission limit calculation, Impacts on equipment compatibility and immunity, and emerging mitigation approaches. PS2: Challenges and advances in Insulation Coordination and Lightning Research Insulation coordination practices for end-to-end power networks, including the effects of long lines, long cables and frequency dependent models, Development on insulation coordination in power electronics and DC systems, and the need for standardization, Lightning evaluation of transmission and distribution systems covering new asset designs and extreme meteorological events. PS3: Challenges and advances in Power System Dynamics Modelling, analysis and validation of individual components and wide-area system interactions including system level protection schemes considering changing system dynamics, Impact of emerging technologies such as hydrogen and other storage devices, grid forming inverters and demand side management, Analysis of security and resilience of power systems having high share of grid-connected or distributed inverter-based resources including feasibility of providing system support such as black start, islanding, system strength and inertia. 2020 Virtual Study Committee Update Meeting November 6, 2020 5
Canadian Technical Activities C4.23 2012 Guide to Procedures for Estimating the Lightning Performance of Transmission Lines (very late) Extrapolation of measured values of power frequency magnetic fields in the vicinity of power links (TB795 published) EMC between Communication Circuits and Power Systems (TB799 published) Winter Lightning Parameters and Engineering Consequences for Wind Turbines (very late) C4.28 2012 C4.31/CIRED 2012 C4.36 2014 C4.37 2014 Electromagnetic Computation Methods for Lightning Surge Studies with Emphasis on the FDTD Method (TB785 published) Effectiveness of line surge arresters for lightning protection of overhead transmission lines (late) Revisions to IEC Technical Reports 61000-3-6, 61000-3-7, 61000-3-13, and 61000-3-14 (late) C4.39 2015 C4.40/CIRED 2015 C4/B5.41 2015 Challenges with series compensation application in power systems when overcompensating lines (TB being reviewed) Continuous assessment of low-order harmonic emissions from customer installations (late) C4.42/CIRED 2015 C4.43 2017 Lightning problems and lightning risk management for nuclear power plants C4.44 2017 EMC for Large Photovoltaic Systems C4.45 2017 Measuring techniques and characteristics of fast and very fast transient overvoltages in substations and converter stations Evaluation of Temporary Overvoltages in Power Systems due to Low Order Harmonic Resonances C4.46 2017 2020 Virtual Study Committee Update Meeting November 6, 2020 6
Canadian Technical Activities C4.47 2017 Power System Resilience C4.48 2017 Overvoltage Withstand Characteristics of Power System Equipment 35-1200 kV C4.49 2018 Multi-frequency stability of converter-based modern power systems C4.50 2018 Evaluation of Transient Performance of Grounding Systems in Substations and Its Impact on Primary and Secondary Systems Connection of Railway Traction Systems to Power Networks C4.51 2018 C4/B4.52 2018 Guidelines for Sub-synchronous Oscillation Studies in Power Electronics Dominated Systems (Convener is Canadian; CAN-6) Application Effects of Low-Residual-Voltage Surge Arresters in Suppressing Overvoltages in UHV AC Systems Protection of High Voltage Power Network Control Electronics from the High-Altitude Electromagnetic Pulse (HEMP) EMC-related Very-Fast Transients in GIS-EMC Interferences, measured Characteristics, Modelling and Simulations Electromagnetic transient simulation models for large-scale system impact studies in power systems having a high penetration of inverter connected generation (CAN-7) Guidelines for the Estimation of Overhead Distribution Line Lightning Performance and its Application to Lightning Protection Design C4/A3.53 2018 C4.54 2018 C4.55 2019 C4.56 2019 C4.57 2019 2020 Virtual Study Committee Update Meeting November 6, 2020 7
Canadian Technical Activities C4/C2.58 2019 Evaluation of Voltage Stability Assessment Methodologies in Transmission Systems C4.59 2019 Real-time Lightning Protection of the Electricity Supply Systems of the Future 2020 Virtual Study Committee Update Meeting November 6, 2020 8
Recently Published Reports (2019/20) TB799 Assessment of conducted disturbances above 2 kHz in MV and LV Power Systems TB 795 Extrapolation of measured values of power-frequency magnetic fields in the vicinity of power links TB 785 Electromagnetic computation methods for lightning surge studies with emphasis on the FDTD method TB780 Understanding of the Geomagnetic Storm Environment for High Voltage Power Grids (C4.32) TB781 Impact of Soil-Parameter Frequency Dependence on the Response of Ground Electrodes and Lightning Performance (C4.33) 2020 Virtual Study Committee Update Meeting November 6, 2020 9
Proposed/New Working Groups C4.XX Benchmark for stability study in AC/DC Hybrid Grid (TOR reviewed being updated based on comments). C4.XX Generic EMT-Type Modelling of Inverter-Based Resources for Long Term Planning Studies (TOR being reviewed) NOTE: No new WGs formed since August 2019! Most WGs plan to be complete before 2022. 2020 Virtual Study Committee Update Meeting November 6, 2020 10
Canadian Highlights C4 published the following reference papers: RP_308_2 2020: Power quality trends in the transition to carbon-free electrical energy systems (full paper Cigre Science & Engineering Journal, Vol 17, Feb 2020) RP_308_1 2020: The Need for Enhanced Power System Modelling Techniques and Simulation Tools (full paper Cigre Science & Engineering Journal, Vol 17, Feb 2020) RP_306_1 2019: Defining Power System Resilience (C4.47) Lack of new WG proposals in C4 (partly COVID related?) prompted the Advisory Committee to conduct a gap analysis to determine what areas need work to help meet CIGRE s strategic objectives. Terms of reference for the top ideas will be developed and conveners sought. Top Down approach CIGRE Canada website: Study Committee links need an update. https://c4.cigre.org/; Canadian Participation on Working groups do we want to populate on the web site? 2020 Virtual Study Committee Update Meeting November 6, 2020 11
Canadian Representative Dr. David Jacobson Company: Manitoba Hydro Title: Email: Phone: Section Head - Interconnections dajacobson@hydro.mb.ca 204-360-3765 2020 Virtual Study Committee Update Meeting November 6, 2020 12
