CIGRE active Working Groups Call for experts

02 December 2024

There are approximatively 260 CIGRE Working Groups (WG) managed by the Study Committees. Every year between 40 and 50 WGs terminate their work by publishing a Report or a Technical Brochure, after the review and approval of their Study Committees. The Technical Council approves every year almost the same number of new WGs with new Terms of Reference (TOR) proposed by the Study Committees.

If you are interested in becoming a member of one of these Working Groups, please contact your National Committee.

CIGRE Working Groups approved in 2024

TOR-WG D2.60_Consumer-side digital models and twins application
TOR-WG A2.76_Power transformer passive protection against internal arcing faults
TOR-WG C5.40_Framework for retail competition in electricity markets
TOR-WG A2.75_Tap Changer Specification, Condition Assessment, Testing and Maintenance Guidelines
TOR-WG-B1-95_Mechanical performance and limits of submarine power cable systems
TOR-WG C5-39_Regulatory frameworks and market integration for assets under non-firm grid connection
TOR-WG C5.38_Certificates of origin for electricity in power markets
TOR-WG D2.61_High Voltage Power Line Carrier Communications Current State and Future Application
TOR-WG D2.59_Intelligent Computing for Power Industry
TOR-JWG A2_D1.74_Online moisture monitoring of transformers for ageing assessment
TOR-WG B5-86_PACS interfaced asset management and condition monitoring using innovative technologies
TOR-WG C1.54_Assessment of system reserves and flexibility needs in the power systems of the future-
TOR-JWG C1_C5.53_Forecasting of demand combined with DER penetration driven by consumer behaviour and regulatory schemes influenced by market signals
TOR-WG B3.68_Experience of Offshore Substation (OSS) operation and maintenance
TOR-WG D1.82_Additive manufacturing-3D printing in service of the electrical power industry
TOR-WG A2.73_Enhancing the exchange of Transformer information through digitalisation
TOR-WG C3.25_Ecodesign methods for the power system
TOR-JWG C2_B5.46_System Integrity Protection Schemes and the (N-1) criteria
TOR-WG B4.104_HVDC Digital Twin – concepts and roadmap
TOR-JWG B4_C4.103_AC network equivalents for HVDC and FACTS project studies
TOR-WG C4.77_Best practices for individual and collective conformity assessment of inverter-based resources during their lifetime
TOR-WG B2.94_Inspection after installation, maintenance and end of life of high temperature conductors and fittings
TOR-WG B2.95_Impact of extreme weather events under climate change on high voltage overhead line design standards
TOR-WG B5.85_Protection, control and supervision principles of “grid stabilizing generation”
TOR-WG B2.92_Update on overhead transmission lines construction methodologies
TOR-WG B2.93_Artificial intelligence (AI) augmented image-based transmission line inspection and condition assessment
TOR-WG B5.84_Recommendations and constraints for development and interfacing of virtual IEDs implemented in PACS
TOR-JWG B3_A3.67_Operational safety of Medium Voltage GIS in case of abnormal leakage
TOR-WG B4.102_Technical requirements and scenario considerations on grid-forming capabilities of VSC-HVDC systems
TOR-WG C1.52_Virtual Power Plants role and deployment in large power systems operation and planning
TOR-WG B2_B1.90_Transition facilities between overhead and underground lines
TOR-WG B1.92_Qualification of lead-free submarine cables at Um between 72.5kV and 170 kV
TOR-WG C1.50_Global sustainable energy system coupling electricity and hydrogen
TOR-JWG B3_A2_A3_C3_D1.66_Guidelines for life cycle assessment in substations considering the carbon footprint evaluation

CIGRE Working Groups approved in 2023

TOR-WG C1.51_The potential roles of energy storage in electric power systems
TOR-WG B2.91_Long overhead line spans design practices and field experience-rev1
TOR-WG B4.99_Design and construction of offshore voltage source converter (VSC) stations
TOR-WG B4.101_Industrial implementation and application of grid forming energy storage systems (GFM ESS)
TOR-WG B4.100_Dynamic active and reactive power supporting devices for VSC HVDC systems
TOR-WG C2.45_Estimation, evaluation and provision of power system inertia in networks with a high share of renewable generation-rev1
TOR-JWG A2_D1.72_Retrofill of mineral oil in transformers – Motivations, considerations and guidance
TOR-JWG C3_B2.24_Methods of reducing electrocution of birds from power lines
TOR-WG B4.98_Design considerations in integration of DC systems to meshed DC-AC Transmission networks
TOR-WG A3.51_Requirements for HV T&D equipment operating under abnormal weather conditions
TOR-WG A3.50_On-site calibration and verification of the accuracy of instrument transformers
TOR-JWG C1_B4.49 _Offshore transmission planning
TOR-JWG B4_C4.97_Benchmarking of simulation Models for control interaction in meshed AC networks with multiple converters
TOR-WG B2.89_Impact of rain upon the characteristics of corona discharge from HV AC and DC overhead transmission lines
TOR-WG C4.76_Overvoltage protection in switching inductive devices with vacuum circuit breaker
TOR-JWG A2_D1.71 Modern insulating liquids qualification for OLTC, bushings and other accessories.
TOR-WG C6.47_DSO-customer interfaces for efficient system operation
TOR-WG D2.58_Monitoring, maintenance and control of packet networks & services – From situational awareness to network control
TOR-WG C2.44_Operational strategies to manage power system minimum operating conditions
TOR JWG C4_A3_B2_B4.75_Guide to procedures for the creation of contamination maps required for outdoor insulation coordination
TOR-WG B4.96_HVDC connection of power system with high proportion of photovoltaic (PV) generation-rev1
TOR-JWG A2_C3.70 Life Cycle Assessment (LCA) of Transformers
TOR-WG B4.95_Developments in Power Semiconductor Technologies and Applications in HVDC-FACTS
TOR-WG C6.46_Energy Efficiency in Distribution systems
TOR-JWG D1_A2.80_Functional properties of non-metallic solid materials for liquid filled transformers and reactors and their compatibility
TOR-WG A1.74_Evaluating quality of large electric motors used in power generation plant
TOR-WG A1.75_Large air-cooled turbo-generator – state of the art, limits and perspectives for small modular reactors
TOR-WG A1.76_Study on eco-design, circular economy and impacts on generator production process
TOR-WG A1.77_Survey on stator insulation reliability of motors
TOR-WG D1.81_Methods and common data file format for time-domain reflectometry
TOR-WG C5-37_Regulatory framework on modernization and extension of useful life of transmission & distribution assets
TOR-WG B5.83_Protection for modern distribution networks
TOR-WG B5.82_Education, qualification and continuing professional development of engineers in protection, automation and control
TOR-WG B5.81_Obsolescence management for protection, automation and control systems
TOR-JWG D1_A2.79_Improved understanding of dynamic behaviour of winding insulating materials in liquid insulated power transformers
TOR-WG A3.49_Ageing effects on accuracy class of instrument transformers
TOR-WG D1.78_Partial discharge properties of non-SF6 insulating gases and gas mixtures
TOR-WG B1.89_Guidance for conducting cable systems failure analysis
TOR-WG B2.88_Guidelines for safety of overhead line construction, maintenance & operation

CIGRE Working Groups approved in 2022

TOR-WG B1.88_Recommendations regarding the use of non SF6 gases in cable systems
TOR-WG D2.57_CIM (Common Information Model) Methodology
TOR-WG B1.90_Cable Systems Electrical Characteristics (Update TB 531)
TOR-WG B1.91_Transient Thermal Modelling of Power Cables (update to IEC 60853)
TOR-WG C4.74 _Accurate line and cable models for steady-state and transient studies
TOR-WG C4.73_Insulation coordination of HVDC overhead lines
TOR-WG A2.68_Failure survey of lower voltage generator step up transformers installed in wind farms and photovoltaic parks
TOR-WG A2.69_ Guide for transformer maintenance update
TOR-JWG C5_C1.36_Certification of the electricity used to produce hydrogen
TOR-WG B4.94_Application of VSC-HVDC in a System Black Start Restoration
TOR-WG B3.65_Guidelines for the Selection and Design of escape routes for substations rated above 1kV AC and 1.5 kV DC
TOR WG C6.45_The impact of distributed energy resources (DER) on the resilience of distribution networks
TOR-WG B5.78_New requirements of network protection and control for renewable energy integration
TOR-JWG B5_C4.79_Protection roadmap for low inertia and low fault current networks
TOR-JWG A2_D1.67_Guideline for online dissolved gas analysis monitoring
TOR-WG A3.48_4th CIGRE Reliability survey on transmission and distribution equipment_rev1
TOR-JWG C2_B4.43_The impact of offshore wind power hybrid ACDC connections on system operations and system design
TOR-JWG B4_C4.93_Development of Grid Forming Converters for Secure and Reliable Operation of Future Electricity Systems.
TOR-JWG C4_B4.72_Lightning and Switching Induced Electromagnetic Compatibility (EMC) issues in DC power systems and new emerging power electronics-based DC equipment
TOR-JWG B3_D2.62_Life-long Supervision and Management of Substations by use of Sensors, Mobile Devices, Information and Communication Technologies
TOR-WG C5.34_Summary of current uses of electric vehicle charge-discharge flexibility in wholesale energy markets and reliable grid operation-rev1
TOR-JWG B3_D1.63_Guideline for assessing the toxicity of used SF6 gas onsite and in the lab of T&D equipment above 1 kV in substations
TOR-WG B3.64_Guidelines on Optimising Seismic Design of Substations for Power Resiliency
TOR-JWG A2_D1.66_Breathing systems of liquid filled transformers and reactors
TOR-JWG A2_D2.65_Transformer Digital Twin – concept and future perspectives
TOR-WG B5.77_Requirements for information technologies (IT) and operational technology (OT) managed PACS
TOR-JWG C5_C1.35_Integration of hydrogen in electricity markets and sector regulation
TOR-WG B2.87_Live line and vicinity working on overhead lines - Safe Management Guidelines
TOR-WG C4.71_Small signal stability analysis in inverter based resource dominated power system
TOR-WG D2.56_Interdependence and Security of Cyber-Physical Power System (CPPS)

CIGRE Working Groups approved in 2021

TOR-JWG B2-C1.86_Approach for Asset Management of Overhead Transmission Lines
TOR-WG C2.42 The impact of the growing use of ML-AI in the operation and control of power networks from an operational perspective
TOR-WG A3.47_Lifetime Management of Medium Voltage Indoor Switchgear
TOR-WG B1.83_Grounding aspects for HVDC land cable connections
TOR-WG B1.86_Assessment, Prevention and Mitigation of Safety Risk in Cable Systems
TOR-WG B1.87_Finite Element Analysis for Cable Rating Calculations
TOR-WG B1.82_MVDC Cable System Requirements
TOR-WG C4.70_Application of space-based lightning detection in power systems
TOR-WG C4.69_Quantifying the lightning response of tower-footing electrodes of overhead transmission lines_methods of measurement
TOR-WG D2.55_Application of 5G Technology to Smart Grids
TOR-WG B2.85_Emergency Restoration Systems for Overhead Lines - Guide for Design, Planning and Installation
TOR-WG C6.44_Nodal Value of Distributed Renewable Energy Generation
TOR-JWG B1_C3.85_Environmental impact of decommissioning of underground and submarine cables
TOR-WG C4.68_Electromagnetic Compatibility (EMC) issues in modern and future power systems
TOR-WG C4.67_ Lightning Protection of Hybrid Overhead Lines
TOR-WG B3.61_Risk and asset health based decision making in existing substations
TOR-WG C4.66_New concept for analysis of multiphase back-flashover phenomena of overhead transmission lines due to lightning
TOR-JWG B3-A3.60_User guide for non-SF6 gases and gas mixtures in Substations
TOR-WG C6.43_Aggregation of battery energy storage and distributed energy resources (DER), including solar PV
TOR-WG B2.84_Assessment of the methodologies to analyze wind induced overhead line conductors motion: applications and limitations
TOR-JWG C2_C5.06_The Impact of electricity market interventions by system operators during emergency situations
TOR-WG D2.54_Regulatory approaches to enhance EPU’s cybersecurity frameworks-rev1
TOR-WG C4.65_Specification, validation and application of harmonic models of inverter based resources
TOR-JWG C4-C2.62-IEEE_Review of Advancements in Synchrophasor Measurement Applications
TOR-WG C4.63_Harmonic power quality standards and compliance verification – a comparative assessment and practical guide
TOR-WG C4.64_Application of Real-Time Digital Simulation in Power Systems
TOR-WG D1.76_Tests for verification of quality and ageing performance of cellulose insulation for power transformers
TOR-WG B5.76_Architecture, Standards and Specification for metering system in a Digital Substation and Protection, Automation and Control environment-rev1
TOR-WG B5.75_Documentation and version handling related to Protection, Automation and Control functions
TOR-WG C4.61_Lightning transient sensing, monitoring and application in electric power systems

CIGRE Working Groups approved in 2020

TOR-WG C4.60_Generic EMT-Type Modelling of Inverter-Based Resources for Long Term Planning Studies
TOR-JWG C1_C4.46_Optimising power system resilience in future grid design
TOR-WG C1.45_Harmonised metrics and consistent methodology for benefits assessment in CBA of electric interconnection projects
TOR-WG C1.47_Energy Sectors Integration and impact on power grids
TOR-WG C1.48_Role of green hydrogen in energy transition - Opportunities and challenges from technical and economic perspectives
TOR-WG B1.76_Enhancing quality assurance - quality control procedures for HV and EHV cable systems
TOR-WG B1.80_Guidelines for Site Acceptance Tests of DTS and DAS Systems used for cable systems monitoring
TOR-WG B2.83_Mitigation of induced noises by corona activity in overhead AC and DC lines
TOR-WG B5.74_Busbar protection considerations when using IEC 61850 process bus
TOR-WG A1.72_Survey on Generator and Motor multi-turn coils with dedicated turn insulation versus coils without dedicated turn insulation
TOR-WG A1.71_Survey on damper-winding concepts and its operational experience on hydro generators and motor-generators
TOR-WG B2.82_Overhead Line Foundations for Difficult Soil and Geological Conditions
TOR-WG B4.92_STATCOMs at Distribution Voltages
TOR-WG B4.91_Power electronics-based transformer technology, design, grid integration and services provision to the distribution grid
TOR-WG B4.90_Operation and Maintenance of HVDC and FACTS Facilities
TOR-WG C6.41_Technologies for Electrical Railway Distribution Supply Systems
TOR-WG C6.42_Electric Transportation Energy Supply Systems-rev1
TOR-WG A1.73_Customer Requirements for Qualification of Form Wound Stator Insulation Systems for Hydro Generators
TOR-WG B4.89 _Condition Health Monitoring and predictive maintenance of HVDC Converter Stations
TOR-WG A1.69_Hydro-Generator Excitation Current Anomalies
TOR-WG B5.73_Experiences and Trends related to Protection Automation and Control Systems Functional Integration
TOR-WG B2.81_Increasing the Strength Capacity of Existing Overhead Transmission Line Structures-reva
TOR-WG B2.77_Risk Management of OHL networks - A model for identification, evaluation and mitigation of operational risks
TOR-WG B4.87_VSC HVDC responses to disturbances and faults in AC systems which have low synchronous generation
TOR-WG D2.53_Technology and Applications of Internet of Things in Power Systems
TOR-WG B2.80_Numerical Simulation of electrical fields on AC and DC Overhead Line Insulator Strings
TOR-WG D2.52_Artificial Intelligence Application and Technology in Power Industry
TOR-WG B2.79_Enhancing Overhead Line Rating Prediction by Improving Weather Parameters Measurements
TOR-JWG D1_A2.77_Liquid Tests for Electrical Equipment
TOR-WG B2.78_Use of High Temperature Conductors in New Overhead Line Design
TOR-WG B5.72_Modelling, Assessment, and Mitigation of Protection Performance Issues caused by power plants during Dynamic Grid Events
TOR-JWG B4_A3.86 _Fault Current Limiting Technologies for DC Grids
TOR-JWG D1_B1.75 _Strategies and tools for corrosion prevention for cable systems
TOR-WG B5.71_Protection, Automation and Control Systems Communication Requirements for Inter-Substation and Wide Area Applications

CIGRE Working Groups approved in 2019

TOR-WG C3.22 _Vegetation management in substations
TOR-WG B4.85_Interoperability in HVDC systems based on partially open-source software
TOR-WG B4.84_Feasibility study and application of electric energy storage systems embedded in HVDC systems
TOR-JWG B1_B3.74_Recommendations for a performance guideline of Polymer Insulated Busbars
TOR-WG D2.51_Implementation of Security Operations Centers (SOC) in Electric Power Industry as Part of Situational Awareness System-rev2
TOR-JWG B1_B3_D1.79_Recommendations for dielectric testing of HVDC gas insulated system cable sealing ends-rev1
TOR-JWG B1_D1.75_Interaction between cable and accessory materials in HVAC and HVDC applications
TOR-WG A3.45_Methods for identification of frequency response characteristic of voltage measurement systems
TOR-WG A3.46_Generator Circuit-Breakers - review of application, requirements, practices, in-service experience and future trends
TOR-WG C4.59_Real-time Lightning Protection of the Electricity Supply Systems of the Future
TOR-WG C3.23_Eco-design methods for TSOs-DSOs under environmental transition
TOR-JWG A3_A2_A1_B1.44_Limitations in Operation of High Voltage Equipment Resulting of Frequent Temporary Overvoltages
TOR-WG C1.44_Global interconnected and sustainable electricity system - Effects of storage, demand response and trading rules
TOR-JWG B2_C4.76_Lightning & Grounding Considerations for Overhead Line Rebuilding and Refurbishing Projects, AC and DC
TOR-WG A2.64_Condition of cellulose insulation in oil immersed transformers after factory acceptance test
TOR-WG A1.68_Evaluating Quality Performance of Electric Motor Manufacturing and Repair Facilities
TOR-WG A1.67_State of the Art in methods, experience and limits in end winding corona testing for Hydro Generators
TOR-WG D2.49_Augmented reality - Virtual reality to support Operation and Maintenance In Electric Power Utilities
TOR-WG C4.57_Guidelines for the Estimation of Overhead Distribution Line Lightning Performance and its Application to Lightning Protection Design
TOR-WG C6.40_Electric Vehicles as Distributed Energy Resource (DER) systems
TOR-WG B1.72_Cable rating verification – application in complex situations
TOR-JWG B2_D2.72 _Condition Monitoring and Remote Sensing of Overhead Lines
TOR-WG C5.31_ Wholesale and Retail Electricity Cost Impact of Flexible Demand Response
TOR-WG C3.21_Including stakeholders in the decision-making processes for grid development
TOR-WG B1.70_Recommendations for the use and the testing of optical fibres in submarine cable systems
TOR-WG B2.75_Application guide for insulated and un-insulated conductors used on medium and low voltage overhead lines
TOR-WG B2.74_Use of unmanned aerial vehicles (UAVs) for assistance with inspection of overhead power lines
TOR-JWG B4.82_IEEE_Guidelines for Use of Real-Code in EMT Models for HVDC, FACTS and Inverter based generators in Power Systems Analysis
TOR-WG B4.81_Interaction between nearby VSC-HVDC converters, FACTs devices, HV power electronic devices and conventional AC equipment
TOR-WG D1.74 _Partial discharge measurement on insulation systems stressed from HV power electronics
TOR-WG B2.73_Guide for Prevention of Vegetation Fires Caused by Overhead Line Systems
TOR-WG C4.55_EMC related very-fast transients in gas-insulated substations—EMC interferences, measured characteristics, modelling and simulations

CIGRE Working Groups approved in 2018

TOR-WG B2.71_Recommendations for Interphase Spacers of Overhead Lines
TOR-WG B1.67_Loading Patterns on Windfarm Array and Export Cables
TOR-JWG C1_C6.42_Planning tools and methods for systems facing high levels of distributed energy resources
TOR-WG B5.69_Experience gained and Recommendations for Implementation of Process Bus in Protection, Automation and Control Systems
TOR-WG B1.71_Guidelines for Safety Risk Management in Cable Systems
TOR-JWG C5_C6.29_ New Electricity Markets, Local Energy Communities
TOR-WG A2.63_Transformer impulse testing
TOR-JWG B1_C4.69_Recommendations for the insulation coordination on AC cable systems

TOR-WG C4.54_Protection of high voltage power network control electronics from the High-altitude Electromagnetic pulse (HEMP)
TOR-WG A3.43_Tools for lifecycle management of T&D switchgear based on data from condition monitoring systems
TOR-WG A2.62_Analysis of AC Transformer Reliability
TOR-WG B5.68_Optimisation of the IEC 61850 Protection, Automation and Control Systems (PACS) engineering process and tools
TOR-WG A2.61_On-load tap-changer best practices
TOR-WG A2.60_Dynamic Thermal Behaviour of Power Transformers
TOR-WG C4.51_Connection of Railway Traction Systems to Power Networks
TOR-JWG D2_C2.48_Enhanced Information and Data Exchange to Enable Future Transmission and Distribution Interoperability
TOR-WG C3.20_Sustainable Development Goals in the Electric Power Sector
TOR-WG B3.56_Application of 3D Technologies in Substation Engineering Works
TOR-WG B3.54_Earthing System Testing Methods - historic approaches, recent developments and recommended approaches
TOR-WG B3.52_Neutral Grounding Method Selection and Fault Handling for Substations in the Distribution Grid
TOR-WG A1.64_Guide for Evaluating the Repair-Replacement of Standard Efficiency Motors
TOR-JWG C6_C2.34_Flexibility provision from distributed energy resources
TOR-WG A1.65_Guide to optimal management of coal generation in presence of significant inverter based resources
TOR-WG B4.79_Hybrid LCC-VSC HVDC Systems
TOR-WG C6.39_Distribution customer empowerment_reva
TOR-WG C6.35_Distributed energy resources aggregation platforms for the provision of flexibility services
TOR-JWG D2_C6.47 Advanced Consumer-Side Energy-Resource Management Systems (pdf, 151kB)
TOR-WG A1.63 Turbo Generator Stator Winding Bushings and Lead Connections – Field Experience, Failures and Design Improvements (pdf, 263kB)
TOR-WG C3.09 Sustainable corridor management (pdf, 456kB)
TOR-WG A1.62 Thrust Bearings for Hydropower - A Survey of Known Problems and Root Causes (pdf, 225kB)
TOR-WG D1.72 Test of material resistance against surface arcing under DC (pdf, 75kB)
TOR WG B5.65 Enhancing Protection System Performance by Optimising the Response (pdf, 453kB)
TOR WG A3.42 Failure analysis of recent AIS instrument transformer incidents (pdf, 209kB)
TOR-WG C4.50 Evaluation of Transient Performance of Grounding Systems in Substations & Its Impact on Primary & Secondary Systems (pdf, 138kB)
TOR-WG B2.70 Aircraft warning markers and bird flight diverters for Overhead Lines – Experience and recommendations (pdf, 139kB)

CIGRE Working Groups approved in 2017

TOR-WG D1.73_Nanostructured dielectrics Multi-functionality at the service of the electric power industry rev b
TOR-WG C3.18 Eco-friendly approaches in Transmission and Distribution (pdf, 150kB)
TOR-WG A1.60 Guide on economic evaluation for refurbishment or replacement decisions on hydro generators (pdf, 190kB)
TOR-WG C3.17 Interactions between Wildlife and Emerging Renewable Energy Sources and associated Insulated Cables (pdf, 90kB)
TOR-WG A1.61 Survey of Partial Discharge Monitoring in Large Motors (pdf, 44kB)
TOR-WG B3.49 Review of substation busbar component reliability (pdf, 76kB)
TOR-WG B2.67_Assessment and Testing of Wood and Alternative Material Type Poles
TOR-WG D2.44_Usage of Public or Private Wireless Communication Infrastructures for Monitoring and Maintenance of Grid Assets and Facilities-rev1
TOR-WG D1.69 Guidelines for test techniques of High Temperature Superconducting (HTS) systems (pdf, 141kB)
TOR-WG A2.58 Installation and Pre-Commissioning of Transformers and Shunt Reactors (pdf, 44kB)
TOR-WG A3.39 Application and field experience with Metal Oxide Surge Arresters (pdf, 151kB)
TOR-WG B1.58 Condition Assessment and Diagnostic Methods to support Asset Management of MV Cable Networks (pdf, 132kB)
TOR-WG D1.68 Natural and synthetic esters - Evaluation of the performance under fire and the impact on environment (pdf, 125kB)
TOR-WG B5.63 Protection, Automation and Control System Asset Management (pdf, 150kB)
TOR-JWG B5-C4.61 Impact of Low Inertia Network on Protection and Control (pdf, 145kB)

CIGRE Working Groups approved in 2016

TOR-WG C4.44 EMC for Large Photovoltaic Systems
TOR-WG B2.66 Safe handling and installation guide for high temperature low sag (HTLS) conductors
TOR-WG D1.66 Requirements for PDM for gas-insulated systems - approved
TOR WG A1.58 Selection of Copper Versus Aluminium Rotors for Induction Motors
TOR-WG A2.57 Effects of DC Bias on power transformers
TOR-WG A1.57 The Visual Inspection of Stator Windings and Cores of Large Turbo Generators
TOR-WG A2.56 Power Transformer Efficiency
TOR-WG C4.43 Lightning problems and lightning risk management for nuclear power plants
TOR-WG B5.59 Requirements for Near-Process Intelligent Electronic Devices
TOR-WG B5.58 Faster protection and network automation systems implications and requirements
TOR-WG B5.57 New challenges for frequency protection
TOR-WG A1.56 Survey on Lap and Wave Windings and their Consequences on Maintenance and Performance
TOR-WG A1.55 Survey on Split Core Stators

CIGRE Working Groups approved in 2015

TOR-WG C3.15 Best environmental and socio-economic practices for improving public acceptance of high voltage substations
TOR WG D1.65 Mechanical properties of insulating materials and insulated conductors for oil insulated power transformers
TOR-JWG B4 B1 C4.73 Surge and extended overvoltage testing of HVDC Cable Systems
TOR-WG B1.54 Behaviour of cable systems under large disturbances
TOR-WG B2.65 Detection, Prevention and Repair of Sub-surface Corrosion in Overhead Line Supports, Anchors and Foundations

TOR-WG A1.53 Guide on Design Requirements of Motors for Variable Speed Drive Application
TOR-WG C1.33 Interface & Allocation Issues in multi-party andor cross-jurisdiction . power infrastructures projects
TOR-JWG A1 C4.52 Wind generators and frequency-active power control of power systems
TOR-WG D1.63 Partial discharge detection under DC stress
TOR-WG B2.60 Affordable Overhead Transmission Lines for Sub-Saharan Countries
TOR-JWG C4.42 CIRED Continuous assessment of low-order harmonic emissions from customer installations
TOR-WG B4.71 Application guide for the insulation coordination of Voltage Source Converter HVDC (VSC HVDC) stations
TOR-WG A1.51 Monitoring, Reliability & Availability of Wind Generators
TOR-WG B5.55_Application of Travelling Wave Technology for Protection and Automation-rev1
TOR-WG B5.56_Optimization of Protection Automation and Control Systems rev a

CIGRE Working Groups approved in 2014

TOR-JWG C4.40 CIRED Revisions to IEC Technical Reports 61000-3-X
TOR-WG D1.61 Corona Detection and Measurement
TOR-WG D1.60 Traceable measurement techniques for very fast transients
TOR-WG B4.69 Minimizing loss of transmitted power by VSC during overhead line fault
TOR-WG D1.62 Surface degradation of polymeric insulating materials
TOR-WG A1.45 Guide for Determining the Health Index of Large Electric Motors
TOR-WG B2.59 Forecasting Dynamic Line Ratings
TOR-WG C3.14 Impact of Environmental liability on transmission and distribution activities
TOR-WG D1.58_Evaluation of dynamic hydrophobicity of polymeric insulating materials under AC and DC voltage stress_rev a
TOR-WG C4.36 Winter Lightning – Parameters and Engineering Consequences for Wind Turbines
TOR-WG A1.43 State of the art of rotor temperature measurement

CIGRE Working Groups approved in 2013

TOR-WG A1.42 Influence of Key Requirements to Optimise the Value of Hydrogenerators
TOR-WG B4.64 Impact of AC System Characteristics on the Performance

CIGRE Working Groups approved in 2012 still active

TOR-WG B5.51 Requirements and Use of Remotely Accessed Information for SAS
TOR-WG B5-48 Protection for developing network with limited fault current capability of generation

CIGRE Working Groups approved in 2010 still active

TOR-WG B2-50 Safe handling of fittings and conductors
TOR-WG C3-12 Methodologies for Greenhouse gas inventory and reporting for T&D utilities

CIGRE Working Groups approved in 2009 still active

TOR-WG C1-23 Transmission investment decision points and trees

CIGRE Working Groups approved in 2008 still active

TOR-WG B2-40 Preparatory studies for revision of IEC standard

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