Current Groups For more information on the working groups in each SC please visit the associated websites.
SCA1 – Rotating Electrical Machines The activities of SCA1 cover economics, design, construction, tests, behaviour, and materials of turbine generators, hydro generators, non conventional machines, and large motors. (top) SCA2 – Transformers The SCA2 activities cover all kinds of power transformers (including industrial, DC converter, phase-shifting transformers), all type of reactors (shunt, series, saturated, smoothing), and transformer components (bushings, tap changers, accessories). Not only this, the field of study includes design, construction and manufacture, including in site erection, application of material, asset management (maintenance and operation, condition monitoring, techniques in service, repair and refurbishment, disposal), safety and environmental aspects (noise, oil spill, fire, explosion, EMC), quality assurance and testing, behaviour in and interaction with the system under normal and abnormal conditions, dependability (reliability, availability, maintainability, safety), risk management, and economic aspects. (top) SCA3 – High Voltage Equipment The SCA3 is responsible for the theory, design, construction, and application of high voltage equipment components, equipment, and equipment systems for both AC and DC systems. This includes the behaviour and interactions with, and duties imposed by the network and other system equipment under normal and abnormal conditions, testing and testing technologies, quality assurance, reliability, maintenance, and asset management. This equipment includes all devices for switching, interrupting, or limiting currents (circuit breakers, load switches, disconnect switches, earthing switches, fault current limiters, etc.) independent of technology. It also includes surge arresters, capacitors, busbar and equipment insulators, instrument transformers, bushings, and all other high voltage equipment not specifically covered under another equipment study committee's scopes. Emphasis is on function and interaction of high voltage equipment including air and gas-insulated equipment, solid insulation used in high voltage equipment, outdoor insulation, and equipment using other insulation systems and interrupting media. (top) SCB1 – Insulated Cables The activities of SCB1 concern all types of AC and DC insulated cable systems for land and submarine connections, focused mainly on high voltage applications. Whenever appropriate, however, lower voltage applications are also considered. The scope of work covers design, manufacture, installation, service, quality assurance, tests and testing technology, behaviour in and interaction with the network, reliability, asset management, maintenance, and diagnostic techniques in service. (top) SCB2 – Overhead Lines The SCB2 covers conductors, earth wires, optical cables and their associated insulators, joints, hardware and accessories, towers including accessories, tower foundations, and earthing systems. The studies (electrical and mechanical) cover the individual items, the subsystems formed from those items such as conductor bundles, the interactions between the components comprising the subsystems, the effects of the environment on the line's components with regard to design specifications and loading, service life and deterioration mechanisms, design, route selection, construction, operation, and asset management items (such as maintenance, refurbishment, uprating, upgrading, restoration and dismantling of the line). (top) SCB3 - Substations The SCB3 is responsible for the design, construction, maintenance and ongoing management of substations, and for electrical installation in power stations excluding generators. Major objectives include increased reliability and availability, asset management, environmental impact containment, and the adoption of appropriate technological advances in equipment and systems. (top) SCB4 – HVDC and Power Electronics The work of SCB4 addresses HVDC (economics, applications, planning aspects, design, performance, control, protection, control and testing of converter stations), Power Electronics for AC systems and Power Quality Improvement (economics, applications, planning, design, performance, control, protection, construction and testing), Advanced Power Electronics (development of new converter technologies including controls, use of new semiconductor devices, applications of these technologies in HVDC, Power Electronics for AC systems and Power Quality Improvement). (top) *** NEW WG *** SCB5 – Protection and Automation SCB5 covers the principles, design, applications, coordination, performance and asset management of System protection, Substation control and automation, Remote control systems and equipment, and Metering systems and equipment. All technical, organisational and economical aspects are also considered including staff education and training. Emphasis is placed on design and application of digital technology and modern integrated system approach including hardware and software for the acquisition of system state information, local and remote data communication, and execution of control commands. (top) *** NEW WG's *** SCC1 – System Development and Economics The scope of SCC1 is to study economic and system analysis methods important for the development of power systems and to assist utilities to find the best solutions in various evolving, competitive and unbundled conditions in the context of the overall energy supply system, and with social and environmental considerations. The main areas of attention are: Methods and tools for power system static and dynamic analysis; Planning predicaments and methods in competitive and regulatory structures; Capacity enhancement by use of risk-based security assessment and advanced in-formation, communication and power-electronics technology for improving system stability and dynamic performance; Future dependence, requirements and economy of ancillary services for frequency and voltage control and other system needs; The impact of pricing and tariff methods for transmission services on system development; Asset management strategies in the definition of optimal policies.; Planning issues related to long distance transmission and international interconnections; System planning issues in newly industrialised and developing countries; Impact on system development of new solutions and technologies in fields such as generation and demand side management. (top) SCC2 – System Operation and Control The SCC2 covers the technical, human resource and institutional aspects and conditions needed for a secure and economic operation of existing power systems under security requirements against system disintegration, equipment damages and human injuries. The main areas of attention are: Control and switching of objects, voltage control, frequency control by balancing generation vs. demand, monitoring of loading limits and actions to avoid capacity violations (congestion management); Reserves and emergency strategies, management of fault and restoration situations, interaction between the system and power plants; Short term planning and coordination of system capacity needs with maintenance of the physical assets; Evaluation and bench-marking of the system performance in terms of fault frequency, interruptions, operational and maintenance efficiency, both from the technical and economical points of view; Impact on system operation targets, methods and performance from new institutional structures of System Operators, regulators, market actors, trading mechanisms and contracted ancillary services; Requirements, methods, tools (simulators) and performance indices for training of operators; Development and use of power system analysis and security assessment functionalities within operational planning and the computer and telecommunication systems supporting the control centres and the operators. (top) SCC3 – System Environmental Performance SCC3 is responsible for the identification and assessment of the various impacts on the natural environment arising in electric power systems, and the recommendation of appropriate monitoring, management and control measures. Impacts addressed include greenhouse gases, air and water pollution, electromagnetic fields, noise, visual, land use, and flora and fauna impacts. Major considerations include sustainable development vs. economic development, risk assessment, the economics of impact containment, and the effective communication with the public and regulatory authorities. Other considerations include tools and measures for quantifying, controlling and mitigating the environmental impact such as life-cycle assessment, environmental product declarations, and global benchmarking. (top) SCC4 – System Technical Performance The SCC4 is responsible for methods and tools for analysis related to power systems in the following fields: Power Quality Performance (Continuity of supply and voltage quality, measurement and simulation methods, identification of quality indices, monitoring techniques); Electromagnetic Compatibility (High frequency disturbances on the electricity supply and all disturbances reaching equipment other than through the electricity supply); Power System Security Assessment (development of new analytical techniques for assessment of power system security, design of controls and modelling of existing and new equipment, real time stability evaluation and control); Lightning (Analysis of lightning characteristics and interactions of lightning with electric power systems and equipment, including protection in MV and LV networks against lightning, and their standardisation); Insulation co-ordination (Methods and tools for insulation co-ordination in electric power systems and equipment, contributing to optimisation of their cost and reliability. (top) SCC5 – Electricity Markets and Regulation The scope of SCC5 includes analysing the different approaches and solutions and their impact on the electricity supply industry in support of the traditional economists, planners and operators within the industry as well as new actors such as regulators, traders and independent power producers. In particular, areas covered are: Market structures and products such as physical and financial markets and the interaction between them, contracts, internationally integrated markets; Techniques and tools to support market actors such as demand and price forecasting profit estimation, financial risk management; Regulation and legislation such as regulation objectives, extension and limits, price regulation of transmission and ancillary services, international harmonisation, environmental, and reliability objectives. (top) SCC6 – Distribution Systems and Dispersed Generation The activities associated with SCC6 are principally concerned with the assessment of the technical impacts and requirements which a more widespread adoption of distributed/dispersed generation could impose on the structure and operation of the system and the degree and implications to which such solutions are likely to be adopted in the short, medium and long term. (top) SCD1 – Materials and Emerging Technologies The activities of SCD1 concern the monitoring and evaluation of: new and existing materials for electro technology; diagnostic techniques and related knowledge rules; those emerging technologies which may be expected to have a significant impact on the system in the medium to long term. (top) SCD2 – Information Systems and Telecommunication SCD2 covers the principles, design, specifications, engineering, commissioning, performance, operation and maintenance aspects on: Telecommunication and information needs and services (such as all types of data transmission, from voice to video, specialised signalling for teleprotection, SCADA, DMS, EMS, measurement, and billing systems); Information systems for both operational and business activities; Best practices for delivery of TI and telecommunication services to the EPI; Data collection, validation and management; Telecommunication devices, media, networks and applications used in the EPI environment; Requirements on information systems and services: flow-control, security, economy, transparency, regulation, quality and security (including its management and implementation); Consideration of other related technologies which could pave the way towards an integrated enterprise. (top) |
