NDLI: Analytical model for stability analysis in high power ac/dc converters applied to the ITER case

Content Provider	IEEE Xplore Digital Library
Author	Finotti, C. Gaio, E. Benfatto, I. Mankani, A.D. Tao, J.
Copyright Year	2012
Description	Author affiliation: ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance, France (Benfatto, I.; Mankani, A.D.; Tao, J.) \|\| Dipartimento di Energia Elettrica, Università di Padova, Via Gradenigo 6/A, 35131, Italia (Finotti, C.) \|\| Consorzio RFX, Associazione EURATOM-ENEA per la Fusione, Corso Stati Uniti 4, 35127 Padova, Italy (Gaio, E.)
Abstract	The ITER experiment is an international project that aims to prove the viability of energy production by a nuclear fusion reactor. The fusion reactions are achieved by heating a plasma up to million of Celsius degree and confining it by means of appropriate magnetic fields, which interact with the charged particles of the plasma. In ITER the magnetic fields will be produced by the currents flowing in the superconducting coils supplied by ac/dc converters based on thyristor technology. The ITER power supply system may consume a total active and reactive power respectively up to 500 MW and 950 Mvar; a Static Var Compensation system with nominal power of 750 Mvar based on Thyristor Controlled Reactor + Tuned Filter (as fixed capacitor) was selected to reduce the reactive power demand from the grid. In this paper an analytical approach has been considered to study the interactions between the ITER power supply system and the grid, taking the starting points from the methods developed for the HVDC applications, which is a large scale thyristor based converter system usually installed with reactive power compensation equipment. This model aims to evaluate the strength of the electrical network feeding the ITER power supply system by sensitivity analysis allowing the calculation of some index as the Critical Short Circuit Ratio and the Voltage Sensitivity Factor.
Starting Page	209
Ending Page	215
File Size	1881362
Page Count	7
File Format	PDF
ISBN	9781467319447
ISSN	21640610
e-ISBN	9781467319430
DOI	10.1109/ICHQP.2012.6381207
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement Sensitivity Power demand Reactive power Current measurement Power measurement Mathematical model Voltage Sensitivity Factor Nuclear fusion ITER Power Supply System Static Var Compensator stability analysis Critical Short Circuit Ratio
Content Type	Text
Resource Type	Article

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