Update on DC Systems & Power Electronics Study Committee Meeting
The Study Committee discusses the scope and applications of direct current and power electronics in transmission and distribution systems, emphasizing renewable integration and energy storage. It also covers the organization structure, advisory groups, and upcoming preferential subjects related to DC equipment, FACTS, and new technologies for energy transition.
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Study Committee Update Meeting Study Committee Update Meeting B4 B4 DC Systems & Power Electronics DC Systems & Power Electronics Canadian Representative: David Jacobson Canadian Representative: David Jacobson Regular Member Regular Member 2023 Study Committee Update Meeting September 27
2 SC B4 Introduction Scope Applications of Direct Current and Power Electronics in both transmission and distribution systems including DC converters used for the integration of renewable resources, energy storage and power quality control. The scope covers specification, design, implementation, operation, maintenance and refurbishment. Strategic Direction (CIGRE SC B4 > Strategic plan) Form WGs and write reference papers with particular emphasis on: life extension, refurbishment, upgrading or replacement of DC and Power Electronic converters including collection of operating statistics, Design, operation, testing and maintenance of LCC/VSC HVdc, HVdc grids, FACTS devices, and storage, Support for the analysis of system implications of new inverter-based generation technologies and their integration into the wider system, The application of DC and Power Electronics in the distribution System. Expect updates to align with new CIGRE plan to focus on storage, hydrogogen, high penetration of IBR, etc. 2023 Study Committee Update Meeting September 27
3 Study Committee Structure Organization Twenty-four (24) member countries including Canada (change to 34!) Five (5) additional regular members including Canada (Rory MacNeill) Thirteen (13) Observer country members B4 Chair: Joanne Hu (CA) B4 Secretary: Rebecca Ostash (CA) Advisory Groups: Four (4) Advisory Groups (Permanent) AG01 Strategic Advisory Group (Joanne Hu) AG02 B4 Newsletter (Hani Saad) AG03 Communication and Website (Silvia Sanz) AG04 HVDC & FACTS System Performance (Lyle Crowe*passed away Sept 13) 2023 Study Committee Update Meeting September 27
2024 Preferential Subjects (115 synopsis) PS 1: DC Equipment and Systems Planning, design, performance, testing and commissioning of DC equipment and systems including Point to Point, Multi-terminal and DC Grids including offshore DC systems. Refurbishment and upgrade of existing DC systems. Service and operating experience of DC converter stations and systems especially VSC based DC. PS 2: FACTS and Power Electronics (PE) Planning, design, performance, testing and commissioning of FACTS and other PE- interfaced devices. Refurbishment and upgrade of existing FACTS and other PE devices. Service and operating experience. PS 3: New Technologies and Concepts of DC and FACTS enabling energy transition) New technologies/concepts to address network issues associated with green energy transition such as application of grid forming converters, multi-vendor interoperability. New concepts, technologies and design of DC converters and PE devices for both transmission and distribution systems including interfacing generation and storage to the network, energy hubs/islands. 2023 Study Committee Update Meeting September 27 4
5 Canadian Technical Activities Active Working Groups (14) WG Description Convenor WG B4.64 (2013) WG B4.69 (2015) WG B4.71 (2015) WG B4.79 (2018) Jef Beerten Dennis Woodford (CA) Mojtaba Mohaddes (CA) Hong Rao Impact of AC System Characteristics on the performance of HVDC schemes Minimizing loss of transmitted power by VSC during line faults Application guide for the insulation coordination of VSC HVDC stations Hybrid LCC/VSC HVDC systems Interaction of nearby HVDC converters, FACTS, power electronics and AC equipment Guidelines for use of real code in EMT models for HVDC, FACTS and inverter-based generators in power system analysis Feasibility study and application of electric energy storage systems embedded in HVDC systems Interoperability in HVDC systems based on partially open-source software Voltage Source Converter (VSC) HVDC responses to disturbances and faults in AC systems which have low synchronous generation Condition Health Monitoring and predictive maintenance of HVDC Converter Stations Operation and maintenance of HVDC and FACTS Facilities Power-electronics-based transformer technology, design, grid integration and services provision to the distribution grid WG B4.81 (2019) Kamran Sharifabada WG B4.82 (2019) Garth Irwin (CA) WG B4.84 (2020) Hani SAAD WG B4.85 (2020) Staffan Norrga WG B4.87 (2020) Carl Barker WG B4.89 (2020) Nadine Chapalain WG B4.90 (2020) Les Brand WG B4.91 (2020) Marco Liserre WG B4.92 (2020) STATCOMs at Distribution Voltages John Wright-Smith WG B4.94 (2022) Application of VSC-HVdc in a black start restoration Arash Fazel Darbandi (CA) 2023 Study Committee Update Meeting September 27
6 Canadian Technical Activities Active Joint Working Groups led by B4 (3) WG Description Convenor JWG B4/A3.86 (2020) Fault Current Limiting Technologies for DC Grids Zhiyuan He Insulation coordination procedure for DC cable systems in HVDC stations with Voltage Source Converters (VSC) Development of Grid Forming Converters for Secure and Reliable Operation of Future Electricity Systems TF B4/B1.88 (2020) Kees Koreman JWG B4/C4.93 (2022) Christer Norlander Working Groups Under 60 Day Review: WG Description Convenor JWG B4/B1/C4.73 (2016) Surge and extended overvoltage testing of HVDC cable systems Markus Saltzer Forecast 12 TBs for 2023/24: B4.64, B4.69, B4.71, B4.79, B4.81, B4.84, B4.85, B4/A3.86, B4.87, B4/B1.88, B4.89, B4.92 2023 Study Committee Update Meeting September 27
Recently Published Reports (2023) WG Description Convenor Guidelines for Subsynchronous Oscillation Studies in Power Electronics Dominated Power Systems (TB 909) JWG C4/B4.52 Chandana Karawita (CA) 2023 Study Committee Update Meeting September 27 7
8 Canadian Technical Activities New Working Groups formed in 2023 (all have CA reps) WG Description Convenor Developments in Power Semiconductor Technologies and Applications in HVDC/FACTS HVDC connection of power system with high proportion of photovoltaic (PV) generation Benchmarking of simulations models for control interaction in meshed AC networks with multiple converters WG B4.95 (2023) Joerg Dorn WG B4.96 (2023) Qi Guo WG B4/C4.97 (2023) Arash Fazel Darbandi (CA) New Working Groups proposals under development New grid forming converters Design considerations in integration of DC systems to meshed DC/AC Transmission networks Offshore converter AC/DC choppers Operational experience of VSC HVDC through cable connection Dynamic equivalents 2023 Study Committee Update Meeting September 27
9 Other Activities B4 Newsletter Published quarterly since November 2020 CIGRE SC B4 > B4 Newsletters HVdc Project Compendium Summarizes info on 260 HVdc projects Plan to make available in early 2024 last update 2009 CIGRE SC B4 > HVDC Compendium Green Book on HVDC Under development (Close to half of the 50 chapters are complete) Many Canadian members contributing to chapters Targeting completion in 2024 https://link.springer.com/book/9783031273520 2023 Study Committee Update Meeting September 27
10 Events Colloquium, Vienna, Austria, September 9-15, 2023 (SC meeting) Paris, France, August 2024 (SC Meeting) Symposium, Israel, May 2025 (participate) Symposium, Trondheim, Norway, fall 2025 (SC Meeting) Paris, France, August 2026 (SC Meeting) Symposium, Montreal, Canada, 2027 (B2/B4 SC meetings coincide with Cigre Canada?; Winnipeg hosted B4 in 2017) 2023 Study Committee Update Meeting September 27
Canadian Highlights Could be an issue with number of WGs in B4 as many plan to finish before 2024 and few proposals are being submitted. Opportunity for proposals from Canada? B4-C4 Liaison Looking to setup a small group of experts to develop joint proposals to fill any gaps in the CIGRE strategic plan. IEC-CIGRE coordination; Canada not a member of TC115 on HVdc. I suggested that IEC reports could be reviewed by B4 for comment. IEC can adopt CIGRE documents. Perhaps CIGRE can endorse IEC documents? 2023 Study Committee Update Meeting September 27 11
Canadian Representative David Jacobson Company: Manitoba Hydro Title: Section Head Interconnection Planning Email: dajacobson@hydro.mb.ca Phone: 204-360-3765 2023 Study Committee Update Meeting September 27 12
