GROUP A1 – ROTATING ELECTRICAL MACHINES

1. Development, Construction and Revitalization of Generators and Large Motors
2. Generators and Motors for Distributed Generation and Renewable Power Sources (Wind, Solar Energy ...)
3. Machine and Plant Maintenance in Power Market Conditions
4. Excitation Systems and Auxiliary Service Electric Drives

GROUP A2 – TRANSFORMERS

1. Transformers in the Grid and Service Experiences
2. Latest Developments and New Testing Methods
3. Transformer Repair, Refurbishment, Diagnostics and Monitoring
4. Transformers and the Environment

GROUP A3 – HIGH VOLTAGE EQUIPMENT

1. Reliability and Maintenance of High Voltage Equipment;
2. Special Service Conditions in High Voltage Equipment;
3. Latest Development Trends in High Voltage Equipment;
4. Test Methods, Tests and Standards.

GROUP B1 – INSULATED CABLES

1. Cable Line Design Work, Installation and Administrative Issues
2. Cable Lines and Cable Accessories – Implementation, Status Diagnostics and Repair
3. Selection and Structure of Cables and Cable Accessories
4. Regulations and Standards for Cables and Cable Accessories

GROUP B2 – OVERHEAD LINES

1. Service Experiences, Analyses and Recommendations
2. Increased Availability and Reliability of Transmission Power – Methodologies, New Technologies and Practical Experiences
3. Management of Existing Resources, Application of Sector Standards and Introduction of New Technologies in a Cost-Effective Maintenance System
4. Harmonization of Legal Regulations with the European Standards and Practices

GROUP B3 – SUBSTATIONS

1. New Techiques/New Design of Substations (Impact of Stronger Constraints Restrictions on Substation Solutions – Available Space, Severe Climatic Conditions, Acceptability by the Public; EHV/UHV Substations; Design and Construction of Substations for Offshore Wind Farms; Design of GIL for Bulk Power Transmission, etc.)
2. Existing Substations -New Challenges (Residual Life Estimation of Equipment – Risk Management, Revitalization or Replacement of Equipment; Updating of Substations and Existing Equipment to Increase Network Capacity; Technical Solutions for Extending Substations in Existing Facilities; Reducing the impact of substations on the environment and vice versa).
3. New Secondary Systems Challenges in Substations (Experiences with the Shorter Lifetime of Secondary Equipment Compared to Primary Equipment; Influence of Distributed Generation on Substation Design; Implications of IEC 61850 on Technical Solutions and Substation Design).

GROUP B4 – HVDC AND POWER ELECTRONICS

1. Overview of the Global Situation and Trends in Application of Power Electronics in Alternating Current Networks
2. Needs and Options for Application of HVDC and FACTS systems in the Croatian Transmission Network
3. Wind Power Plants and Power Electronics
4. Effect of Power Electronics on the Quality of Electric Power

GROUP B5 – PROTECTION AND AUTOMATION

1. Modern Secondary Systems and their Application
2. Analysis of Protection, Control and Power System Supervision Operation
3. Impact of IEC61850 on Secondary Systems
4. Procedures, Tools and Experiences in Secondary System Testing and Maintenance
5. Measuring, Metering and Power Quality Systems

GROUP C1 – SYSTEM DEVELOPMENT AND ECONOMICS

1. Electric Power Supply Long-Term Safety
2. Company Assets and Costs Management
3. Development of New Electric Power Generating Technologies and their Impact on the Environment
4. Planning and Development of Interconnections in the Region
5. Intelligent Networks

GROUP C2 – SYSTEM OPERATION AND CONTROL

1. User Design (Models) of Process Information in Operator –System Communication and Control Centres Issues
2. Smart Transmission Grids and Using of Advanced Detection and Control Systems in Electric Power Systems (WAM Technology)
3. Integration of Renewable Power Sources and Construction of New and Modernization of Existing Production Units (PS HPP, load following power plants, etc.) in Regard to Electric Power Systems Operation and Control
4. Implication of the Third Energy Package on the Transmission System Operator in Croatia
5. Modifications and Improvements of the Grid Code
6. Connection Lines Congestion, Stability and Current Issues of Electric Power System Operation

GROUP C3 – SYSTEM ENVIRONMENTAL PERFORMANCE

1. Environmental Impact and Contribution of Renewable Energy
2. National Ecological Network and Natura 2000 Network
3. Requirements and Implementation of the IPPC Directive in Electric Power Facilities
4. Impact of Power Facilities on the Environment and the Local Community

GROUP C4 – SYSTEM TECHNICAL PERFORMANCE

1. Overvoltages, Insulation in Contaminated Environment, Insulation Coordination of Lines and Switchgears
2. Power Quality with Emphasis on Voltage Properties
3. Electromagnetic Compatibility in GIS and AIS Systems
4. Real-Time Lightning Monitoring, Line Surge Arrester Installation and Monitoring
5. Electric Power System Stability, System Safety, Use of Dispersed Power Sources such as Wind Power Plants

GROUP C5 – ELECTRICITY MARKETS AND REGULATION

1. Challenges Faced by the National Regulatory Body and the Transmission System Operator in the Light of the Third Legislative Package
2. Incentives for Investment in Production Facilities and the Transmission System - Market Signals or Urgent Necessity
3. Information and Communication Systems in a Deregulated Electric Power Sector
4. Incentives Mechanisms for Renewable Energy Sources – the Way Forward

GROUP C6 – DISTRIBUTION SYSTEMS AND DISPERSED GENERATION

1. Technological Development and Concept Solutions for Active Distribution Networks;
2. Planning and Operation of Distribution Networks and Respective Production Units;
3. Regulations Related to Distributed Sources, Including Specific Problems of Renewable Power and Co-generation Units;

GROUP D1 – MATERIALS AND EMERGING TECHNOLOGIES

1. New and Conventional Electrical Engineering Materials and their Environmental Impact
2. Diagnostic Methods and Fundamentals to their Understanding
3. Conventional and New Emerging Technologies and their Impact on Systems

GROUP D2 – INFORMATION SYSTEMS AND TELECOMMUNICATIONS

1. Modern Solutions for Control Centre Architecture
2. Information Systems in Electric Power Companies
3. Information System Safety and Data Integrity
4. Telecommunication Networks, Services and Technologies
5. Smart Grid (New Technologies and Solutions)
6. Existing Technical System, Revitalizaton, Maintenance and Experiences