A Review of System Calibration in the PEA Method Used for Space Charge Measurement

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A Review of System Calibration in the PEA Method Used for Space Charge Measurement

Conference Paper (2025)

Author(s)

X. Yu (TU Delft - High Voltage Technology Group)

G. Lagerweij (Prodrive Technologies)

P. Vaessen (TU Delft - High Voltage Technology Group, KEMA Laboratories)

A. R. Mor (Universitat Politécnica de Valencia)

M. G. Niasar (TU Delft - High Voltage Technology Group)

Research Group

High Voltage Technology Group

DOI related publication

https://doi.org/10.1109/CEIDP61707.2025.11218436

Accuracy Calibration Current measurement Attenuation Distortion Time measurement Voltage measurement Charge measurement Distortion measurement Space charge

To reference this document use:

https://resolver.tudelft.nl/uuid:c65d4c67-af9b-4ef2-bd73-3e4156f06b55

More Info

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Publication Year

2025

Language

English

Research Group

High Voltage Technology Group

Bibliographical Note

Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.@en

Pages (from-to)

424-427

Publisher

IEEE

ISBN (print)

979-8-3315-8903-5

ISBN (electronic)

979-8-3315-8902-8

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Abstract

The PEA(pulsed electro-acoustic) method is widely used for measuring space charge distribution in insulation materials. However, the measured quantity reflects a voltage curve over time rather than the actual space charge distribution. Therefore, establishing a calibration procedure is crucial to determine the relationship between these two quantities. This calibration procedure aims to convert the measured voltage into the spatial distribution of space charge while correcting for non-idealities such as distortion and attenuation. This paper outlines the main steps of the PEA system calibration and provides a detailed discussion on the selection of the reference signal. Furthermore, recommendations are provided to enhance the accuracy and reliability of the calibration process.

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