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The UCTE-IPS/UPS Feasibility Study – Findings and Results

The UCTE-IPS/UPS Feasibility Study – Findings and Results. Prospects of East-West Power System Interconnection Moscow, 2 April 2009 Matthias Luther. Supported by:. Presentation Themes. Introduction Facts and framework of the project Findings and results Achievements Conclusions.

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The UCTE-IPS/UPS Feasibility Study – Findings and Results

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  1. The UCTE-IPS/UPS Feasibility Study – Findings and Results Prospects of East-West Power System Interconnection Moscow, 2 April 2009 Matthias Luther Supported by: union for the co-ordination of transmission of electricity

  2. Presentation Themes • Introduction • Facts and framework of the project • Findings and results • Achievements • Conclusions

  3. UCTE-IPS/UPS Study – three major questions to answer • Is a synchronous coupling of the IPS/UPS with the UCTE feasible? • What are the mandatory measures and requirements on both sides? • What are the associated costs? • Considering technical, organisational and legal issues the study has to answer the • following questions: • Additionally, market aspects and environmental issues are building the • conditional framework. First priority: maintaining the present performance of the systems with respect to system security and reliability.

  4. NORDEL Capacity: 94 GW Peak load: 66 GW Consumption: 405 TWh Population: 24 m IPS/UPS Capacity: 337 GW Peak load: 215 GW Consumption: 1285 TWh Population: 280 m UCTE Capacity: 631 GW Peak load: 390 GW Consumption: 2530 TWh Population: 450 m ATSOI / UKTSOA HVDC cable HVDC B2B HVAC cable Capacity: 85 GW Peak load: 66 GW Consumption: 400 TWh Population: 65 m European synchronous areas NORDEL IPS/UPS UKTSOA ATSOI UCTE

  5. Facts and framework of the project • The three years investigation was a joint project under the responsibility of UCTE • The project focused on a synchronous coupling of the IPS/UPS with the UCTE • Additionally, possible non-synchronous coupling projects were considered • Total budget: approximately 10 million €, UCTE part co-financed by EC • Nearly 100 experts from both sides involved • A unique synchronous transmission system under investigation • with 960 GW installed generation capacity • serving 700 million customers • in 10 time zones

  6. System A rules System B rules UCTE rules IPS/UPS rules Integration Coupling System B System A rules System integration vs. System coupling UCTE rules IPS/UPS rules Mandatory interconnection rules

  7. Summary of major findings and results • The present structure and high utilization of the UCTE system cuts off long distance power transmission. • Short distance power transfer capacities across the interface of about 1,000 to 3,000 MW in the East-West direction, West-East transfers are limited to 1,000 MW. • A synchronous coupling would require the consideration of an additional Control Power Flow Margin (CPFM), which is not yet included in the definition of the Transmission Reliability Margin (TRM). • The dynamic stability reveals the most limiting criteria for system extensions. Severe disturbances trigger low frequency wide-area oscillations; maintaining dynamic stability requires countermeasures in generation and transmission. • In case of realisation: an overall complexity concerning the implementation of key organisational and legal frameworks.

  8. Common achievements • The generation of a unique data base for both synchronous areas. • Joint activities have established a huge network of experts from the IPS/UPS and the UCTE. • The installation of a Wide-Area Measurement-System (WAMS) in the IPS/UPS. • Setup of common analysis models individually verified. • A close cooperation in advanced application of innovative simulation methods and tools – the findings and results are based on a highly qualified scientific expertise. • A common understanding about the complexity of a synchronous coupling of the IPS/UPS with the UCTE. • A consensus by the study partners about the results. • A certain basis for the stakeholders concerned for taking decisions on next steps.

  9. Conclusions • A synchronous coupling between the UCTE and the IPS/UPS has to be considered as a long term option due to the implementation of several necessary technical, operational and organizational measures and establishing the legal framework. • The construction of High Voltage Direct Current (HVDC) links between the interface countries may be considered as a medium-term alternative. However, this will need separate investigations and the decisions by the stakeholders concerned. • The findings and results now allow stakeholders to initiate further activities.

  10. Visit us: www.ucte-ipsups.org

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