The following topics will be discussed:
- LV and MV Cables Systems
- HV and EHV Cables Systems
- Submarine Cables
- Economy and costs of Cable Systems
- Ageing, Diagnosis, Maintenance, Remaining Life Estimation and Management
- Cables for the Future
- Technical challenges encountered with cable systems
- Industrial and Special Cables
- Cables, environment and sustainable development
- Design
- Testing Methods
Sub topics :
1. LV and MV Cable Systems
- LV and MV cables and accessories (insulated underground and overhead networks)
- New materials, environmentally concerned conception
- Developments in manufacturing processes and techniques
- Laying methods, experience in service and quality assurance, comparative performances of cables buried with and without mechanical protection
- Operating conditions, thermo-mechanical behaviour, reliability, failure analysis, operating life extension
- Use of telecommunication cables in conjunction with LV and MV cable circuits, powerline communications
- Safety in case of fire
- Standardization
2. HV and EHV Cable Systems
- HV and EHV AC cables and accessories
- HV and EHV DC cables and accessories
- New developments
- Forced cooling, water cooling
- New materials, environmentally oriented design
- Developments in manufacturing processes and techniques
- Laying methods, technical specifications, shared installation structures, quality assurance, prevention of third party damage, new innovative laying methods implying shorter duration of the work and lesser disturbance for nearby residents
- Operating conditions, maintenance, service experience, reliability, failure analysis operating life extension, improving performances and operating at design limits, upgrading and uprating
- Technical and economical optimisation (high stresses, taking into account reliability, availability, temperature in normal, overload and short-circuit conditions, etc.)
- Integration in networks
- Use of telecommunications cables in conjunction with HV and EHV links, powerline communications
- Safety in case of fire
- Standardization
3. Submarine Cables
- AC and DC cables systems
- Technical and economical optimization for the different parts of the installation
- Cables systems for offshore wind power plants and oil platforms
- DC cables and accessories
- Laying, embedding and protection techniques
- Operating conditions, feedback
- Integration in the network
4. Economy and costs of Cable Systems
- Global cost and ownership cost
- Cost reduction and optimisation of cable systems
- Reducing the number of joints : cost of reliability, maintenance, ...
- Different costs of investment (civil works, cable, laying, joints,...)
- Losses in operation
- Cable systems and smart grids
- Shared installation structures : multipurpose...
5. Ageing, Diagnosis, Maintenance, Remaining Life Estimation and Management
- Methods for assessing the properties and characteristics of materials and possible impact on the performances of cables and accessories
- Ageing laws : methods, experimentation, validity
- Monitoring
- On-line diagnosis of materials and tests for fault location
- Methods of examination
- Expert systems
- Remaining life estimation
- Life extension
6. Cables for the Future
- Gas-insulated cables (SF6 and other gases)
- Technologies under development
- EHV / UHV cables
- Long-distance use
- Laying and civil engineering
- Repair methods
- Superconducting links
- Feedback from the first High Temperature Superconducting links (HTSC)
- Prospects for new High Temperature Superconductors (HTSC)
- Low-temperature properties of insulating materials
- Technico-economical evaluation
- Questions related to the integration of superconducting links in standard networks
- Other new underground power transmission systems
- Prospects of nanotechnologies : nanotubes, nano-filled polymers, .
7. Technical challenges encountered with cable systems
- Integration of long cables (high power) in networks (compensation, static stability and dynamics of networks, distribution of the power flows in the mixed networks)
- Generation output with cable systems: compensation, no load voltage
- Long length lines for bulk power transmission (tens of km to hundred km), how to ensure reliability and operability
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8. Industrial and Special Cables
- Technologies and installation (eg. land, underwater, overhead and spatial cables; wind power plants, PV photovoltaic / solar energy cables, nuclear power plants, etc.)
- Substation cables, generation station cables, LV secondary cables (AC and DC cables)
- Cables with improved fire resistant characteristics
- Cables submitted to high mechanical stresses
- New materials
- Developing manufacturing techniques
9. Cables, environment and sustainable development
- Impact of cables on the environment (aerial / overhead, underground, submarine)
- Magnetic field mitigation and health concerns
- Environment friendly design
- Impact of the environment on cable systems (tropical, etc.)
- Corrosion
- Derating in metallic structures
- Specific technologies
- Lifecycle analysis
- End-of-life treatment methods
- Developments in cable regulations
- Coexistence of cables and nearby systems (eg. telecommunications)
10. Design
- Electrical, thermal and thermo-mechanical design
- Steady state and dynamic conditions
- Ampacities
- Sheath bonding, Grounding and protection
- Cable characteristics and cable modelling
- Associated computer codes; validation
- Voltage and current system coordination
- Issues related to Cable integration in networks
11. Testing Methods
- Definitions
- Selection criteria
- Validity
- Development tests, evaluation, prequalification tests, type tests, acceptance and after laying tests
- Low frequency testing
- PD testing as maintenance tool