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Partial Discharge Measurements and Electrical Fatigue in Insulation Materials Webinar

Presented by Martin Wickham, National Physical Laboratory

This Free Webinar on Monday 2nd October 2023 at 13:00 UK time will address the reliability challenges faced by operating at higher voltages focusing on partial discharges in dielectric materials for transportation applications.

As the demand for electric air, sea and land vehicles rises, electrical and electronic assemblies will need to be able to withstand a variety of new scenarios such as higher voltages, extreme temperatures and condensation. NPL is working across manufacturing, automotive and aerospace industries to ensure electronic systems are able to tolerate these harsh environments. This presentation will discuss the reliability challenges faced by operating at higher voltages focusing on partial discharges in dielectric materials.

Partial discharge is a known phenomenon in higher voltage applications such as switch gear, transformers and generators. The electrification of transport systems, which have traditionally relied on non-electrical or lower voltage power solutions, has led to a new range of higher voltage applications, which have low mass and small size as critical to system performance and market acceptance. These applications require reductions in insulation thicknesses, alternative lightweight dielectric materials and increased proximity of electrical conductors to make them viable. The National Physical Laboratory has recently developed multi-channel and low pressure partial discharge conditioning and measurement systems. So far work has been conducted on twisted wire pairs of motor windings specification and protective coatings for electronics, to better understand when PD occurs (Inception Voltage), how it can cause degradation in the insulation (Electrical Fatigue) and over what timescales. The presentation will detail the system concept, design, results and plans for the future.

Registration for the Webinar on Monday 2nd October 2023 is free and open below.

For any further information on the webinar, please contact

Once registered, you will receive Joining Instructions by e-mail 2-3 days before the event. Bookings can be accepted up to 1 hour prior to the event start

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When booking the event, please ensure that the Delegate Name is included on the booking form, if you are not the person attending. Please note that the person booking the event will be the only person who will have access to event booking history and be able to download any event materials .

Bookings are now closed for this event. - Please contact the IMAPS-UK office for further details

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Date(s) - 02/10/2023
1:00 pm - 2:00 pm

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