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논문 기본 정보

자료유형
학술저널
저자정보
Marcelo G. Molina (Universidad Nacional de San Juan) Pedro E. Mercado
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.3 No.4
발행연도
2008.12
수록면
528 - 537 (10page)

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Primary frequency control (PFC) has the ability to regulate short period random variations of frequency during normal operation conditions and also to respond rapidly to emergencies. However, during the past decade, numerous significant sized blackouts occurred worldwide that resulted in serious economic losses. Therefore, the conclusion has been reached that the ability of the current PFC to meet an emergency is poor, and security of power systems should be improved. An alternative to enhance the PFC and thus security is to store excessive amounts of energy during off-peak load periods in efficient energy storage systems for substituting the primary control reserve. In this sense, superconducting magnetic energy storage (SMES) in combination with a static synchronous compensator (STATCOM) is capable of supplying power systems with both active and reactive powers simultaneously and very rapidly, and thus is able to enhance the security dramatically. In this paper, a new concept of PFC based on incorporating a STATCOM-SMES is presented. A complete detailed model is proposed and a new control scheme is designed, comprising an enhanced frequency control scheme, and a fully decoupled current control strategy in d-q coordinates with a novel controller to prevent de bus capacitors voltage drift/imbalance. The performance of the proposed control schemes is validated through digital simulation carried out using MATLAB/Simulink.

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Abstract
1. Introduction
2. Detailed Modeling of the STATCOM-SMES
3. Novel Three-level Control Scheme of the STATCOM-SMES
4. Performance Assessment of the STATCOM-SMES Modeling Approach and Control Laws
5. Conclusion
Acknowledgements
References

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