Safety benefits of arc-resistant metalclad medium-voltage switchgear

Kalkstein, E.W.; Doughty, R.L.; Paullin, A.E.; Jackson, J.M.; Ryner, J.L.

doi:10.1109/28.475733

Cited by 12 publications

(2 citation statements)

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“…to determine electric field stress and to optimize the electric field grading devices [10,[12][13][14][15]. Some studies were conducted to make optimization of the indoor high and medium voltage systems and they focus on cabinet size optimization and system safety, in addition to the other electrical aspects [5,16,17]. Some of the numerical studies were carried out on the electric field distribution for transient voltages [18,19].…”

Section: Introductionmentioning

confidence: 99%

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Numerical analysis and application of electric field grading device for metal-enclosed switchgear

2021

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Electric field grading devices have great importance for both the electric power transmission and distribution systems. This paper presents an improved electric field grading device used in the medium voltage metal-enclosed switchgear. The solutions have been carried out by using Ansys Maxwell 3D software. The structure of two electrodes designed as cylindrical and elliptical have been compared to determine the electric field grading device to be used in practice. The transient and steady-state analyses have been performed in both designs. The field grading device manufactured for the metal-enclosed switchgear has been tested according to IEC standards in a high voltage laboratory environment. This study revealed that the newly designed field-grading device can be used in the metal-enclosed switchgear more safely. It also encourages researchers to optimize the electric field distribution using different geometric structures and to create running conditions in smaller indoor environments.

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Section: Introductionmentioning

confidence: 99%

“…Because many factors such as panel walls, corner points, connectors, etc. that could affect the electric field distribution of the system should be considered [16,17,20].…”

Section: Introductionmentioning

confidence: 99%