Parameter design and performance simulation of a 10kV voltage compensation type active superconducting fault current limiter

Chen, Lei; Tang, Yuejin; Song, Meng; Shi, Jing; Ren, Li

doi:10.1016/j.physc.2013.04.024

Cited by 7 publications

(7 citation statements)

References 14 publications

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“…The main parameters for an economical evaluation are listed in Table I. In combination with the formula calculating and the conceptual design of the active SFCL in a power distribution system [46], the total cost of a 35-kV class three-phase active SFCL is ∼4049 k¥ ($650 k) that includes HTS materials cost 790 k¥, cryogenic vessel cost 154 k¥, converter cost 3000 k¥, and so on. As a matter of fact, in terms of the active SFCL's application in enhancing the wind farm's FRT capacity, improving this mean's economical efficiency will be considerably beneficial to demonstrating the feasibility.…”

Section: Technical Discussion On the Active Sfcl's Costmentioning

confidence: 99%

Fault Ride-Through Capability Improvement of DFIG-Based Wind Turbine by Employing a Voltage-Compensation-Type Active SFCL

Chen

Zheng

Deng

et al. 2015

Can. J. Electr. Comput. Eng.

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Based on the considerations in creating a smart grid roadmap, an integrated application of renewable energy sources and superconducting power devices may bring more positive effects. This paper suggests a voltage-compensation-type active superconducting fault current limiter (SFCL) to enhance the fault ride-through capability of doubly fed induction generator (DFIG) for wind power generation. Since the active SFCL has higher controllability and flexibility than a common resistive-or inductive-type SFCL, its application may give better results. Related theory derivation, cost evaluation, and simulation analysis are conducted, and a comparison between the active SFCL and an inductive SFCL is performed. From the results, the active SFCL can limit the faulty currents flowing through the DFIG's stator and rotor windings and compensate the generator terminal voltage. The inductive SFCL may not evacuate the surplus active power during the grid fault; however, the active SFCL can smooth the DFIG's power fluctuation, and the stability of the wind power system can be well strengthened. Résumé-Dans l'objectif de mettre en place une feuille de route pour un réseau électrique intelligent, une application intégrée pour les sources d'énergies renouvelables et appareils électriques supraconducteurs peut avoir un impact positif. Ces travaux de recherche proposent une compensation de tension active pour limiter les défauts provenant des limiteurs de courants actifs et super conducteur (SFCL) afin d'améliorer la robustesse aux défaillances du générateur à induction à double alimentation (DFIG) pour la production d'énergie éolienne. Puisque le SFCL a une contrôlabilité et une flexibilité supérieures à un SFCL résistif ou inductif, son utilisation pourrait offrir de meilleurs résultats. D'après la théorie, les évaluations des coûts, et les simulations, des analysesont été proposées et une comparaison entre le SFCL actif et le SFCL inductif est présentée. D'après les résultats obtenus, le SFCL actif pourrait limiter les courants défectueux à travers les enroulements du stator et du rotor du DFIG et compenser la tension aux bornes du générateur. Dans certains cas, le SFCL inductif ne peut pas évacuer le surplus de puissance active lors d'un défaut du réseau. Toutefois, le SFCL actif peut lisser la fluctuation de puissance du DFIG pour améliorer la stabilité du réseau d'énergie éolienne. Index Terms-Doubly fed induction generator (DFIG), fault ride-through (FRT) capability, transient simulation, voltage-compensation-type active superconducting fault current limiter (SFCL). NOMENCLATURE RERenewable energy. FRT Fault ride through.

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Section: Technical Discussion On the Active Sfcl's Costmentioning

confidence: 99%

Fault Ride-Through Capability Improvement of DFIG-Based Wind Turbine by Employing a Voltage-Compensation-Type Active SFCL

Chen

Zheng

Deng

et al. 2015

Can. J. Electr. Comput. Eng.

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“…In this paper, phase A is studied for the sake of the simplicity. The primary voltage of the superconducting transformer is expressed as follow [5][6][7]:…”

Section: Ascc Modelingmentioning

confidence: 99%

“…According to (5), by adjusting the secondary winding current (I a ), three different modes are obtained from the operation of ASCC under fault conditions [6][7][8].…”

Section: Ascc Modelingmentioning

confidence: 99%

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Analysis of an Active Superconducting Current Controller (ASCC) Considering the Transient Stability and OCR Operation in Transmission and Distribution Systems

Gusheh¹,

Soreshjani²,

Rahat³

2016

Journal of Electrical Engineering and Technology

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-The Active Superconducting Current Controller (ASCC) is a new type of Superconducting Fault Current Limiters (SFCL) which can limit the fault current in different modes. It also has the particular abilities of compensating active and reactive powers for electrical networks. In this paper, it is confirmed that the performance of ASCC in different operating modes introduces a limiting impedance in series with the network which can even degrade the transient stability and the operation of the Over-Current Relays (OCR) employed in a power system. In addition, the model of a three-phase ASCC is simulated, and the effect of descriptive modes on the current limiting level is investigated. For the transient stability analysis, a single machine-infinite bus system is tested, and the effect of operation modes is studied based on an equal area criterion obtaining the critical time and the critical angle. Modifying the setting parameters of OCR such as time dial and pick-up current, the protective coordination is also studied in different operating modes.

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“…This kind of transformer has many merits, such as absence of iron losses and magnetic saturation, and it has more possibility of reduction in size than the conventional transformer and iron-core superconducting transformer [16]. As the air-core superconducting transformer has no specific path for the magnetic flux, the magnetic flux produced by its windings will act directly on each turn of the superconducting winding, and the ac loss should be given adequate attention [17].…”

Section: Ac Loss Estimationmentioning

confidence: 99%

Effects of a flux-coupling type superconducting fault current limiter on the surge current caused by closed-loop operation in a 10kV distribution network

Chen

Deng

et al. 2015

International Journal of Electrical Power & Energy Systems

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Parameter design and performance simulation of a 10kV voltage compensation type active superconducting fault current limiter

Cited by 7 publications

References 14 publications

Fault Ride-Through Capability Improvement of DFIG-Based Wind Turbine by Employing a Voltage-Compensation-Type Active SFCL

Fault Ride-Through Capability Improvement of DFIG-Based Wind Turbine by Employing a Voltage-Compensation-Type Active SFCL

Analysis of an Active Superconducting Current Controller (ASCC) Considering the Transient Stability and OCR Operation in Transmission and Distribution Systems

Effects of a flux-coupling type superconducting fault current limiter on the surge current caused by closed-loop operation in a 10kV distribution network

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