Finite Element Analysis of Maximum Electric Field for Air Breakdown under Various Electrode Configurations

Ambo, N. F.; Zainuddin, Hidayat; Kamarudin, M. S.; Wari, J. M.; Zahari, A.

doi:10.11591/ijeecs.v10.i2.pp416-425

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…Figure 5 shows the field efficiency factor of R0.5-plane and R6-plane electrode configurations at a pressure of 0.11 MPa and various gap distances. The field efficiency factor, η is calculated using (2), where the average electric field, Emean for both electrode configurations are calculated using (3), while the maximum electric field, Emax for R0.5-plane and R6-plane configurations are calculated using ( 4) and ( 5), respectively [25]. To note, 𝑑 is the gap distance TELKOMNIKA ISSN: 1693-6930 ◼ between high voltage and ground electrodes, while 𝑟 is the tip radius of the high voltage electrode.…”

Section: Effect Of Electrode Configurations To the Electric Field Beh...mentioning

confidence: 99%

AC breakdown behavior of SF6/N2 gas mixtures under non-uniform field electrode configurations

et al. 2019

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Sulphur hexafluoride (SF6) gas owns remarkable properties as insulation medium and current interrupter, which make it being widely used in gas-insulated equipment up to now. However, SF6 gas has a drawback that gives adverse effect to the environment since it is a strong greenhouse gas. As the effort to minimize the SF6 usage, this study was conducted to investigate the AC breakdown behavior of SF6/N2 gas mixtures with 10/90 ratio at low pressure levels (i.e. 0.11 MPa to 0.15 MPa) under non-uniform field (i.e. R0.5-plane and R6-plane electrodes configurations). The results of the study indicate that the breakdown voltage of SF6/N2 gas mixtures in non-uniform field increases linearly with the increase of gas pressure and electrodes gap distance. As a function of gap distance, a higher increasing rate of breakdown voltage values were achieved at lowest pressure of 0.11 MPa compared to other pressure levels. In addition, it is also found that a higher breakdown voltage values was obtained under R6-plane configuration. But, the difference in breakdown voltage values between R0.5-plane and R6-plane configuration is less significant as the gap distance is increased. It is also observed that the field efficiency factor of R6-plane is higher than R0.5-plane which indicates a more uniform field exists between the electrodes.

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Section: Effect Of Electrode Configurations To the Electric Field Beh...mentioning

confidence: 99%

AC breakdown behavior of SF6/N2 gas mixtures under non-uniform field electrode configurations

et al. 2019

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“…The GWP of SF6 is 23900 times that greater than of CO2 [3]. At present, previous researchers have been giving intense efforts to find an environmental-friendly gas such as air [4] and CO2 [5] to substitutes SF6. CO2 is a relatively good interruption performance and much lower GWP than SF6.…”

Section: Introductionmentioning

confidence: 99%

Empirical Investigation on Breakdown Characteristics of Air â€“ CO2 Gas Mixtures Under AC and DC Voltages

Azizol¹,

Kamarudin²,

Yousof³

et al. 2018

IJET

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For years there have been countless efforts to find an environmental-friendly gas or gas mixtures to minimize SF6. Researchers have been ongoing to find its alternatives where there are few gasses used to minimize SF6, such as carbon dioxide (CO2) and air. This paper aimed to study the effects of field uniformity towards breakdown characteristic of air-CO2 gas mixtures under AC and DC voltage. Two types of electrodes were used in this experiment which are sphere-sphere electrode (D=5cm) and the rod-rod electrode. Other than that, there are five level of gap distances (0.5cm-2.5cm) with three mixing ratios (100% air–0% CO2, 70% air–30% CO2, 50% air-50% CO2) in 2 bar (abs). The results show the breakdown voltage (U50) of the sphere-sphere electrode is higher than the rod-rod electrode under AC and DC voltage. Besides, as the U50 goes higher, the Emax will be decreasing in any mixing ratio under AC and DC voltage. As for the results, the sphere-sphere electrode is more uniform field than the rod-rod electrode. Moreover, the sphere-sphere electrode has shown the highest withstand capacity of breakdown since they have provided less stress to the field gaps.

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Analysis of Electrical Stress Performance Between Four Different Types of Liquid Insulation on QuickField Software

Zulkri

Daud

Saidon

et al. 2022

2022 IEEE International Conference on Power and Energy (PECon)

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Finite Element Analysis of Maximum Electric Field for Air Breakdown under Various Electrode Configurations

Cited by 3 publications

References 4 publications

AC breakdown behavior of SF6/N2 gas mixtures under non-uniform field electrode configurations

AC breakdown behavior of SF6/N2 gas mixtures under non-uniform field electrode configurations

Empirical Investigation on Breakdown Characteristics of Air â€“ CO2 Gas Mixtures Under AC and DC Voltages

Analysis of Electrical Stress Performance Between Four Different Types of Liquid Insulation on QuickField Software

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