Probabilistic framework for vulnerability analysis of coupling capacitor voltage transformer to ferroresonance phenomenon

Tajdinian, Mohsen; Allahbakhshi, Mehdi; Behdani, Behzad; Behi, Donya; Goodarzi, Ali

doi:10.1049/iet-smt.2019.0285

Cited by 14 publications

(3 citation statements)

References 20 publications

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“…This can result in the overheating of expensive equipment, such as transformers and wind generators, and, potentially, damage to their insulation [6]. Despite being essentially a complex and highly chaotic phenomenon marked by nonlinear behaviors, various types of ferroresonance have been identified, which can be classified Energies 2023, 16, 7684 2 of 14 into four categories: fundamental mode, sub-harmonic mode, quasi-periodic mode, and chaotic mode [7]. Ferroresonance is characterized by the repetitive oscillation of energy between capacitive and inductive components, causing the nonlinear magnetic core to alternate between saturation and non-saturation, leading to impedance fluctuations [8].…”

Section: Introductionmentioning

confidence: 99%

Innovative Solid-State Ferroresonance-Suppressing Circuit for Voltage Transformer Protection in Wind Generation Systems

Bakhshi,

Bigdeli,

Moradlou

et al. 2023

Energies

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Ferroresonance, as an undesirable disturbance, leads to significant overvoltage and distorted waveforms. This phenomenon can be highly damaging to voltage transformers and other parallel-connected equipment and can entail catastrophic consequences. This paper aims to design and study a solid-state ferroresonance-suppressing circuit (SSFSC) to protect voltage transformers (VTs) together with other parallel-connected equipment in wind generation systems from the adverse effects of the ferroresonance phenomenon. The proposed structure consists of low-voltage circuits, including power IGBTs. The excellent performance of the proposed SSFSC in suppressing ferroresonance overvoltage in wind generation VTs has been authenticated by analyses conducted utilizing a wind generation system model. In order to validate the performance of the proposed SSFSC, detailed analytical studies and time-domain simulations have been carried out employing a MATLAB/Simulink environment. The results verify that the proposed SSFSC can effectively suppress ferroresonance phenomena in VTs and mitigate their accompanying overvoltages with a high operational speed.

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Section: Introductionmentioning

confidence: 99%

Innovative Solid-State Ferroresonance-Suppressing Circuit for Voltage Transformer Protection in Wind Generation Systems

Bakhshi,

Bigdeli,

Moradlou

et al. 2023

Energies

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“…Solak and Rebizant in [16] discussed the faults in medium voltage (MV) network and its role in ferroresonance investigation at voltage transformer (VT). In addition, many studies have shown the occurrence of ferroresonance in PT in different parts of the network, and many solutions and inhibitor circuits have also been presented [17], [18]. Farm et al [19] discussed the asymmetrical phases de-energization of the wind farm its role in ferroresonance activation.…”

Section: Introductionmentioning

confidence: 99%

Elimination of ferroresonance in the distribution zone by high ohmic reactor-shunt limiter

Abdel-hamed

El-Shafhy²,

Badran³

2022

IJEECS

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Electrical network components catastrophically fail as a result of aberrant system oscillations. Also, consequently leads to saturation in the ferromagnetic core elements. These factors induce distortions in the voltage and current waveforms as well as a large rise in voltage or current. This paper presents the role of distributed generation (DG) in contributing to ferroresonance investigation reduction in the distribution sector. A high ohmic reactor-shunt limiter (HOR-SL) is introduced as a novel technique based on a negative sequence component to mitigate ferroresonance. The proposed HOR-SL reduces the ferroresonance in distribution system (DS) by no more than 10.5 msec. A PSCAD/EMTDC software is used to model the ferroresonance phenomenon. The simulation results strongly show the effectiveness of using the proposed HOR-SL for limiting ferroresonant oscillations and creating stable orbit in the distribution sector. Case studies verified the effectiveness of the proposed technique in mitigating ferroresonance oscillations and keeping the security of the distribution zone.

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“…The second group of techniques, being the main interest of this study -relying upon the voltage measurement [12] at the neutral point -focus on the single-wye SCB topologies [13]- [15]. According to [16], these approaches are based on the calculation of the phase angle difference between the reference of the voltage at the neutral point and the positive sequence bus voltage.…”

Section: Introductionmentioning

confidence: 99%

Shunt Capacitor Bank Fault Detection and Localization Using Sub-Cycle Algorithm

Tajdinian

Behdani

Goodarzi

et al. 2022

2022 IEEE Electrical Power and Energy Conference (EPEC)

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Fast internal detection and location in Shunt Capacitor Banks (SCBs) can lead to the prevention of damages to other SCBs' elements and consequently avoid undesirable performance and effects in power system operation. This paper targets the performance of phasor-based algorithms of failure detection and fault location of SCBs. Being dependent on the fundamental phasor components which usually are calculated based on the Discrete Fourier Transform (DFT), the failure detection and fault location algorithms suffer from almost onecycle delay. This paper provides sub-cycle phasor estimation based on the least-square technique. The proposed algorithm is evaluated for different configurations of SCBs considering different fuse protection designs. The proposed method provides a criterion for relay decision-making in the case of multiple faulty phases condition. The proposed method is designed to monitor and detect consecutive failures based on the existing data of commercial relays. Performance evaluations are conducted under different circumstances namely voltage unbalance conditions and multiple internal fault locations.

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Probabilistic framework for vulnerability analysis of coupling capacitor voltage transformer to ferroresonance phenomenon

Cited by 14 publications

References 20 publications

Innovative Solid-State Ferroresonance-Suppressing Circuit for Voltage Transformer Protection in Wind Generation Systems

Innovative Solid-State Ferroresonance-Suppressing Circuit for Voltage Transformer Protection in Wind Generation Systems

Elimination of ferroresonance in the distribution zone by high ohmic reactor-shunt limiter

Shunt Capacitor Bank Fault Detection and Localization Using Sub-Cycle Algorithm

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