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REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

2. REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS. Mission: granting third party regulated access to Transmission Power Grid safe and cost-effective operation within an encreasing competitive market economyTarget:- hub of electricity transmission in S-E Europeinterconnection to UCTE

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REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

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    1. 1 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS National Power Grid Company TRANSELECTRICA S.A. ROMANIA Joint-Stock, 100% state-owned company Operating according to Transmission and System Operator Licenses and Transmission Grid Code Founded further to Government Decision 627/2000 by splitting former National Electricity Company (CONEL) into 4 separate legal entities 76 substations (voltage levels of 750kV, 400kV, 220kV and 110kV)

    2. 2 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS Mission: granting third party regulated access to Transmission Power Grid safe and cost-effective operation within an encreasing competitive market economy Target: - hub of electricity transmission in S-E Europe interconnection to UCTE of Romanian Power System transboundary electricity connections on the regional market

    3. 3 MAP

    4. 4 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS THE NEED FOR SUBSTATIONS REFITTING Technological development of primary and auxiliary equipmet using state-of-the-art technology Exceeded operational life and current condition of the equipment Necessity of increasing the computerised degree of operation, maintenance, supervision of technological electrical systems

    5. 5 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS REFITTING METHODS APPLIED (technical matters) Principles Reconsidering the single line diagrams of the substations in terms of : structural changes occurring in the related industrial environment interconnection priorities to UCTEs power systems reliability of the new equipment (allowing the simplification of the connections diagram) (CONTINUED)

    6. 6 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS REFITTING METHODS APPLIED (technical matters) Principles Replacing the primary and control-protection equipment at de-centralised level Reconsidering the substation control concept at the 21st centurys technological level for the so-called next generation control Remaking the auxiliary services systems in agreement with the new requirements from the norms and to a performance level (CONTINUED)

    7. 7 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS REFITTING METHODS APPLIED (technical matters) Principles Remaking the construction part and the cables system Minimaizing of the impact upon the national power system reliability Minimizing of impact upon environment

    8. 8 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS GATHERED EXPERIENCE with refitting/extending the electrical substations Portile de Fier, Tantareni, Urechesti, Arad, Mintia turn-key project harmonising the Romanian norms and standards to the suppliers legislation and equipment solutions unity of technical solutions of a project simplifying of the substation one-line diagram finding and applying proper financing schemes

    9. 9 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS GATHERED EXPERIENCE with refitting/extending the electrical substations Portile de Fier, Tantareni, Urechesti, Arad, Mintia applying the legislation of quality assurance environmental protection and installation security supervising the project development using a dedicated software ensuring of balanced geographical coverage

    10. 10 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS CRITERIA FOR SUBSTATION REFITTING HIERARCHY BASE OF RELIABILITY & IMPORTANCE METHOD The physical wear and the obsolescence of the technological electric installations that determine their technical condition The importance of the substations for the safe operation of the NPS The electricity transmitted yearly through the substations The economic-financial criteria Synchronous and asynchronous interconnection to the neighbouring electric power systems

    11. 11 MAP II

    12. 12 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

    13. 13 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

    14. 14 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

    15. 15 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS

    16. 16 REFITTING STRATEGY FOR ROMANIAN POWER SYSTEM SUBSTATIONS CONCLUSIONS The realistic approach to the refitting projects of the substations in the ETG is based on a stable and modern strategy that: is conceptually structured in technical terms by means of advanced equipping solutions and the control of the electrical technological process at current world level is based on multi-criteria methods determining the sequence of refitting projects start up uses the global solution of turnkey project provides an efficient project management carried on by the Project managers monitors the project development at different competence levels using a specialized software uses experience gained by already refitted substations in Romania

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