ElektrA
Ageing behaviour of potting compounds under electro-thermal load with rectangular voltage
Project duration
From: 01.07.2023 To: 30.09.2025Description
The research project ElektrA is about the influence of electro-thermal loading with a rectangular high voltage on the electrical and mechanical properties. The frequency is in the range from 10 kHz to 20 kHz. Also, the electrical strength of potting compounds is to be investigated. Encapsulants are used as insulating materials in power electronics applications and fulfil a protective function of electronics against environmental influences. During operation, it is to be expected that the insulation will be heated by external influences as well as dielectric heating by the power electronics themselves. Age-related changes in material properties occur because of electrical and thermal stress.
The aim is to induce accelerated ageing by means of stricter conditions, so that statements can be made about the service life of the potting compounds based on the experimentally determined results. The knowledge gained about the aging behavior of the potting compounds under electro-thermal stress and the structure-property relationships derived from it enables the improvement of existing systems on the one hand and the development of new polymer-based composite materials for use in power electronics on the other.
Industrial implementation is possible immediately after project completion. Manufacturers of potting compounds as well as manufacturers and users of power electronics benefit from the results. Thus, the project results can be applied in the chemical and electrical industries.
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