Simulation of Propagating Electromagnetic Wave Due to Partial Discharge in GIS Using FDTD

Hoshino, T.; Maruyama, S.; Sakakibara, T.

doi:10.1109/tpwrd.2008.2008474

Cited by 40 publications

(30 citation statements)

References 6 publications

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“…For this reason PD can be detected using wideband radiometric antennas [10], [11]. The challenges of PD detection circuits are the design of proper sensors (antennas) capable of signal detection in broadband range and the signal interpretation circuits [12], [13].…”

Section: Finite Difference Time Domain Techniquementioning

confidence: 99%

Inspection of Wave Propagation Due to Partial Discharge Occurring in Current Transformer Using 3-D Finite Difference Time Domain Based Technique

Sharkawy¹,

Aziz²

2012

IJCEE

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Section: Finite Difference Time Domain Techniquementioning

confidence: 99%

Inspection of Wave Propagation Due to Partial Discharge Occurring in Current Transformer Using 3-D Finite Difference Time Domain Based Technique

Sharkawy¹,

Aziz²

2012

IJCEE

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“…To study the propagation characteristics of the UHF signal, researchers have adopted the finite-difference time-domain (FDTD) method to simulate the discharge signal. Considering that the size of the switchgear is too large and the computer memory cannot meet the requirement, researchers simplified the PD source to a uniformly hardwiring source, which leads to the minimum mesh size reaches one tenth of the wavelength λ [15,[17][18][19]. This provides a good method for studying the propagation of discharge signal in a wide area of space.…”

Section: Introductionmentioning

confidence: 99%

Study on the Propagation Characteristics of Partial Discharge in Switchgear Based on Near-Field to Far-Field Transformation

Yang

Gao

et al. 2018

Energies

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Ultra-high frequency (UHF) electromagnetic (EM) signals generated by the partial discharge (PD) process of high-voltage equipment are now widely used in PD detection. The computation of EM propagation generated by a local discharge source using a uniformly hardwiring source can hardly reveal the discharge characteristics. In this paper, a method of near-field to far-field transformation is proposed to realize the study of the propagation characteristics of the PD signal. A short gap discharge model is established to get the near-field electromagnetics and the proposed method is validated by comparing the directly calculated results with the results of the near-field source. In the end, a model of switchgear is employed to study the propagation characteristics of the EM signal based on the proposed method. Via numerical calculation, the influence of the equipment in the switchgear on the propagation of the discharge EM is studied. It is found that the direction of the discharge source has a significant effect on the distribution of the electric field, which indicates that the discharge source cannot be simplified to a uniformly hardwiring source. In addition, it is also obtained that the amplitude of the electric field shows the same trend with the growth of the discharge channel, which gives a method for evaluating the development of the PD. Particularly, the near-field to far-field transformation can provide an effective method for studying the propagation of discharge EM waves in large-scale equipment.

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“…Several PD detection methods have been proposed so far [1]. Also, numerical simulations using the three-dimensional (3D) finite-difference time-domain (FDTD) method [2] have been carried out [3][4][5]. In [3], the attenuation characteristics of PD-generated electric field in ultra-high-frequency (UHF) band within a single-phase GIS tank have been studied, and the FDTD-computed results have been compared with the corresponding measured ones.…”

Section: Introductionmentioning

confidence: 99%

“…Also, numerical simulations using the three-dimensional (3D) finite-difference time-domain (FDTD) method [2] have been carried out [3][4][5]. In [3], the attenuation characteristics of PD-generated electric field in ultra-high-frequency (UHF) band within a single-phase GIS tank have been studied, and the FDTD-computed results have been compared with the corresponding measured ones. In [4], influence of the presence of a disconnecting part such as an opened circuit breaker on UHF-wave propagation within a single-phase GIS tank has been studied, and the FDTD-computed results have been compared with the corresponding measured ones.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Finite‐difference time‐domain simulation of partial discharges in a gas insulated switchgear

et al. 2016

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It is important to estimate the current magnitude and charge amount of a partial discharge (PD) in a gasinsulated switchgear (GIS). In this study, electromagnetic fields generated by a PD in an 84 kV-class three-phase GIS for testing have been measured with a voltage probe installed on the outer surface of an insulation spacer of the GIS tank, and the corresponding simulations have been carried out using the three-dimensional finite-difference time-domain (FDTD) method. FDTD-computed time-domain voltages across spacers agree reasonably well with the corresponding measured ones, and the current magnitude of PD and its charge amount have been estimated.

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Simulation of Propagating Electromagnetic Wave Due to Partial Discharge in GIS Using FDTD

Cited by 40 publications

References 6 publications

Inspection of Wave Propagation Due to Partial Discharge Occurring in Current Transformer Using 3-D Finite Difference Time Domain Based Technique

Inspection of Wave Propagation Due to Partial Discharge Occurring in Current Transformer Using 3-D Finite Difference Time Domain Based Technique

Study on the Propagation Characteristics of Partial Discharge in Switchgear Based on Near-Field to Far-Field Transformation

Finite‐difference time‐domain simulation of partial discharges in a gas insulated switchgear

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