Comparison of Inductive and Resistive SFCL

Kozak, J.; Majka, M.; Kozak, S.; Janowski, T.

doi:10.1109/tasc.2012.2231714

Cited by 44 publications

(26 citation statements)

References 7 publications

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“…First, the RMS (Root Mean Square) of the voltage (V rms ) and the current (I rms ) was calculated by using (2) and (3), because the measured signals are not perfect sine wave. The apparent electric power (P a ) was then calculated by using (4).…”

Section: Analysis Of the Experimental Resultsmentioning

confidence: 99%

“…To reduce the fault current, various types of SFCLs (Superconductor Fault Current Limiters) have been considered [3]. The SFCL requires high voltage insulation, and large heat generation is accompanied by a restricted space to limit the fault current [4].…”

Section: Introductionmentioning

confidence: 99%

“…The inductive impedance also increases by the quench of the shield layer. The variation of the resistive impedance at the conducting layer was investigated by the authors and it was shown that the cable former should be designed considering the required resistive impedance and the allowable temperature limit [4,5]. The resistive impedance of the conducting layer is directly related to the quench of the conducting layer.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigation on the inductive and resistive fault current limiting HTS power cable

Lee¹,

Choi²,

Kim³

et al. 2014

Progress in Superconductivity and Cryogenics

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Section: Analysis Of the Experimental Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigation on the inductive and resistive fault current limiting HTS power cable

Lee¹,

Choi²,

Kim³

et al. 2014

Progress in Superconductivity and Cryogenics

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“…The SFCL responds before the first cycle peak and provides effective means to limit excessive fault currents to safe levels without the disadvantages of conventional fault current mitigation methods. Present researches on fault current limiters focus on resistive type [2] and inductive type [3][4][5][6][7][8][9][10][11]. The drawback of the concept of inductive limiter with shielded core was insertion of a finite impedance in the line even during normal operation, and the large size and weight of the iron core [7,10].…”

Section: Introductionmentioning

confidence: 99%

Superconducting Fault Current Limiter for the Electric Power System

Majka

Kozak

2016

Acta Phys. Pol. A

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Superconducting fault current limiters are the most attractive devices for the power network, they can be used to limit the short current in electrical network. The operation of a superconducting fault current limiter is based on the sudden transition from the superconducting state to the normal state by exceeding the critical current Ic of the material. This transition one takes a very short time, so fast that we are able to limit the first current peak to a threshold value which does not exceed three to five times the rated current. This paper presents the design, the calculated electrical parameters and tests of the medium voltage class superconducting fault current limiter prototypes made in Electrotechnical Institute. The constructed coreless superconducting fault current limiter consists of three windings: ones made of SF12050 tape and a parallel connected primary copper winding. All windings are inductively coupled and intended to work in liquid nitrogen.

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“…During fault condition, the resistance of the secondary winding is reflected in the system, which helps to limit the fault current. 27,28 For solid-state FCL application power semiconductor devices such as insulated-gate bipolar transistor (IGBT), silicon-controlled rectifier (SCR), and gate turn-off thyristor (GTO) are implemented in the DFIG system to get high-blocking voltage, lowconduction loss, and relative ease of control. Series switch, bridge, and resonant types are the classification of solid-state FCL.…”

mentioning

confidence: 99%

Enhancement of low‐voltage ride through of wind energy conversion system using superconducting saturated core fault current limiter

Tripathi

Sahoo

Chatterjee

2018

Int Trans Electr Energ Syst

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Summary For enhancing the fault ride through (FRT) capability of doubly fed induction generator (DFIG), the major concern is to remain connected with the grid for maintaining the grid code. For improving this entity, saturated core fault current limiter (SCFCL)‐based protection system has been used in the DFIG system for protecting it from the fault current during fault conditions. The main features of transformer‐type three‐limb SCFCL is that the Alternating Current (AC) coils embedded across the two limbs, and the Direct Current (DC) coils embedded across the other remaining limb. The main features of SCFCL is that the core is saturated during normal operating condition, and during the fault condition, high current generates sufficient magnetic flux in the AC coil, which drives each core out of the saturation. Because of this, SCFCL operates in high‐permeability zone and increases the impedance of the AC coil, which limits the fault current. In this paper, the above behaviour of SCFCL under normal and faulty condition has been analysed by simulated mathematical modelling and verifying it with the experimental setup. In addition to conserve good FRT performance, the fault consequences in DFIG system such as rotor current, DC link voltage, and torque fluctuations are analysed. Also, the simulation result justifies the efficacy of SCFCL compared with the other conventional schemes.

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Comparison of Inductive and Resistive SFCL

Cited by 44 publications

References 7 publications

Investigation on the inductive and resistive fault current limiting HTS power cable

Investigation on the inductive and resistive fault current limiting HTS power cable

Superconducting Fault Current Limiter for the Electric Power System

Enhancement of low‐voltage ride through of wind energy conversion system using superconducting saturated core fault current limiter

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