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Experiments to Quantify the Shielding Efficacy of Materials to be Implemented for Portable Shielding Enclosures that Adequately Mitigate EMI from Lighting Attachment Events
Jake Slattery;Austin T. Hewitt;Brandon Bywater;John Mankowski;James Dickens;Andreas Neuber;Donald Friesen;David Hattz;Craig Noltensmeyer;Neil Koone;Crystal Nelson;Jacob Stephens
2023 IEEE Pulsed Power Conference (PPC)
Year: 2023 | Conference Paper |
Mitigating electric and magnetic fields induced by lightning strike events is critical for the security and longevity of electrical components. Electromagnetic interference originating from a lightning strike is categorized into the low to medium frequency ranges, commonly referred to as the “magnetic coupling’’ regime. This low-frequency characteristic brings about the problem of shielding magnet...Show More
Experiments to Quantify the Shielding Efficacy of Materials to be Implemented for Portable Shielding Enclosures that Adequately Mitigate EMI from Lighting Attachment Events
Jake Slattery;Austin T. Hewitt;Brandon Bywater;John Mankowski;James Dickens;Andreas Neuber;Donald Friesen;David Hattz;Craig Noltensmeyer;Neil Koone;Crystal Nelson;Jacob Stephens
Year: 2023 | Conference Paper |
Methods for Mapping of Surface Charge Density on Arbitrary Dielectric Objects
John Mockert;John Mankowski;Benedikt Esser;Donald Friesen;Blake Havens;David Hattz;James Dickens;Crystal Nelson;Jacob Stephens;Andreas Neuber
2023 IEEE Pulsed Power Conference (PPC)
Year: 2023 | Conference Paper |
A system to map surface charge densities on dielectric objects – e.g. PTFE, PMMA, and PA6 – is described to study maximum surface charge limits discharge and decay characteristics. Two electromechanical movements are used to achieve these goals: a three-axis robotic arm with an electrostatic probe and a three-axis auxiliary movement fitted with a current viewing resistor and laser displacement sen...Show More
Surface Charge Distribution Mapping Using an Electrostatic Probe
Micah LaPointe;Benedikt Esser;Ivan Aponte;Zachary Cardenas;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber
Undesired accumulation of charge on dielectric materials causing electrostatic discharges can be an issue in pulsed power systems and electrical systems in general. As such, an understanding of surface charge distribution, charge accumulation, and decay is required. An in-house no-contact electrostatic probe designed with a 2 mm resolution was fabricated to measure and map surface charge distribut...Show More
Effect of Humidity on Charge Decay in Varying Atmospheric Gases
Zachary Cardenas;Ben Esser;Ivan Aponte;James Dickens;John Mankowski;Jacob Stephens;Donald Friesen;Crystal Nelson;Neil Koone;David Hattz;Andreas Neuber
2021 IEEE Pulsed Power Conference (PPC)
Year: 2021 | Conference Paper |
Characterization of surface charge decay for varying materials – PTFE, Acrylic, and metals – of 100 mm diameter, radially symmetric bodies was performed. In a gaseous environment, charged materials will lose their charge depending on gas type, humidity, and other environmental factors. Eventually, the charge will be (1) neutralized by ions or electrons in the surrounding gas (2) distributed by con...Show More
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