Real-time temperature mapping that solves local overheating problems is important for
obtaining an optimized thermal design for high-efficiency power transformers. Internal …

Cutting and punching of the electrical steel can cause edge burrs which lead to interlaminar
short circuits between the laminations. In this paper, based on an equivalent electric circuit …

This article shows a novel approach for Bragg gratings interrogation, based on vertical-
cavity surface-emitting laser with high-contrast grating cavity. It is shown that with such a …

Abstract In this study, M400-50A electrical steel laminations (ESLs) used in electrical
machines were cut with punching and laser methods and the effect of these cutting methods …

Fault diagnosis and condition monitoring of electromagnetic devices are the strategies for
monitoring and processing parameters of the device for fault identification and failure …

In Part I of this two-part paper, fundamental concepts of interlaminar fault and its
consequences on magnetic cores were presented. An equivalent configuration, which was …

Hysteresis phenomenon is a distinctive approach to describe the natural behavior of the
magnetic materials and magnetic cores. This article proposes a phenomenological …

Rotational core loss data improve the accuracy of estimating electric machine core losses.
The losses are measured using magnetizing yokes, which generate a rotating field. The …

A 2-D magnetizer introduces variation in the flux density (B) across the sample under
rotational magnetization. This variation requires additional energy requirements that limits …

Ferromagnetic cores of electrical machines and transformers are constructed from laminated
electrical sheets to reduce eddy current losses. Burrs are formed at the edges of electrical …