Performance analysis of saturated iron core superconducting fault current limiter using Jiles–Atherton hysteresis model

Sarkar, Debabrata; Roy, Debashis; Choudhury, Amitava; Yamada, S.

doi:10.1016/j.jmmm.2015.04.071

Cited by 16 publications

(8 citation statements)

References 8 publications

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“…Under normal operation, two cores are operating in saturation mode and their inductances are low. When DC fault occurs, the iron core is no longer saturated, and the coil inductance increases rapidly [43]. Although the SI-SFCL has the disadvantage of excessive bulk and weight due to the need of the iron core, it shows attractive features such as fast recovery without quenching, low steady state loss, and immediate current limiting.…”

Section: Case 2: Protection Scheme (Hb-mmc + Si-sfcl + Hcb)mentioning

confidence: 99%

Appropriate Protection Scheme for DC Grid Based on the Half Bridge Modular Multilevel Converter System

et al. 2019

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The half bridge (HB) modular multilevel converter (MMC) technology is considered a breakthrough to mitigate the shortcomings of the conventional voltage source converter (VSC) in high-voltage direct-current (HVDC) grid application. However, interruption of the DC fault is still a challenge due to fast di/dt and extremely high levels of DC fault current. The fault interruption using a DC circuit breaker (DCCB) causes enormous energy dissipation and voltage stress across the DCCB. Therefore, the use of a fault current limiter is essential, and the superconducting fault current limiter (SFCL) is the most promising choice. Past literature has focused on the operating characteristics of DCCB or limiting characteristics of the SFCL. However, there is little understanding about the fault interruption and system recovery characteristics considering both DCCB and SFCL. In this paper, we have presented a comparative study on fault interruption and system recovery characteristics considering three types of fault limiting devices in combination with circuit breaker. The transient analyses of AC and DC system have been performed, to suggest the most preferable protection scheme. It has been concluded that, amongst the three fault limiting devices, the Hybrid SFCL in combination with circuit breaker, delivers the most desirable performance in terms of interruption time, recovery time, energy dissipation and voltage transients.

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Section: Case 2: Protection Scheme (Hb-mmc + Si-sfcl + Hcb)mentioning

confidence: 99%

Appropriate Protection Scheme for DC Grid Based on the Half Bridge Modular Multilevel Converter System

et al. 2019

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“…This type of core loss modelling is also vital for usage in precise applications like fault current limiters as studied in the Refs. [17,18]. A similar study is also conducted for transformer but smart control is not presented [19].…”

Section: Introductionmentioning

confidence: 99%

Modelling and Smart Analysis of an Inverter-Coupled Transformer for Renewable Applications

Chatterjee¹,

Das²,

Chatterjee³

2021

MMC_A

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This paper studies modelling and simulation for an inverter coupled transformer and the effects caused by source side harmonics on it. It also provides an insight to smart analysis and control of the same. These harmonics are present in most power electronic sources alike an inverter which is frequently used in renewable applications. The extended effect of source side harmonics on transformer primary can be shown on the transformer core hysteresis curve. The effect of harmonics is observed on the magnetization cycle with an electronic integrator circuit. The research uses a modified hysteresis model for the core with the effect of source harmonics taken in to consideration. The simplified hysteresis curve is plotted without removing the transformer from operation with measured data of voltages. Internet-of-things based smart control is proposed for remote operation and control of the transformer especially for use in remote microgrids and wind-farms. The proposed research is an operative tool for measurement and analysis of source harmonic effects on the core of the transformer. The outcome can be used for taking safety measures for extending the operating life of the transformer. The MATLAB/Simulink made simulations along with suitable experiments authenticate the proposed research.

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“…The rapid limitation of fault currents remains an unsolved problem in power grids and electrical, mechanical and thermal damage is still unavoidable. The use of fault current limiters designed from high temperature critical superconducting materials (SFCL) has made it possible to limit fault currents in power grids [1][2]. In the event of a short-circuit, the latter must not only be able to withstand this fault regime and act as natural current regulators, but also reduce the mechanical and thermal stresses experienced by the network [3].…”

Section: Introductionmentioning

confidence: 99%

Modeling A Superconducting Fault Current Limiter Inserted in a Nine-Bus Electrical Network

Belkhiri¹

2019

MMC_A

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Industrial electrotechnics represents a considerable potential market for superconducting materials. Among the feasible applications, the limitation of the fault current will probably be the first to find an industrial departure. We present in this work the results of the simulations of the magnetic and thermal behavior of a fault current limiter designed from a high critical temperature superconducting layer. The results are obtained from a 3D computation code, developed and implemented under MATLAB environment where the formulation in magnetic vector potentials A and electrical scalar potential V are adopted to solve the electromagnetic problem and the heat diffusion formulation is also adopted to solve the thermal problem by the method of the finite volumes. The results showed the interest of designing a superconducting fault current limiter. The development of a simulation model that describes the behavior of the (SFCL) has also been implemented in a nine-bus network.

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Performance analysis of saturated iron core superconducting fault current limiter using Jiles–Atherton hysteresis model

Cited by 16 publications

References 8 publications

Appropriate Protection Scheme for DC Grid Based on the Half Bridge Modular Multilevel Converter System

Appropriate Protection Scheme for DC Grid Based on the Half Bridge Modular Multilevel Converter System

Modelling and Smart Analysis of an Inverter-Coupled Transformer for Renewable Applications

Modeling A Superconducting Fault Current Limiter Inserted in a Nine-Bus Electrical Network

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