Name: Short-Circuit Withstand Capability of Power Transformers (en Inglés)
Price: 65730.00 CLP
Availability: InStock
Author: Geißler, Daniel Hermann
ISBN: 9783736993327

portada Short-Circuit Withstand Capability of Power Transformers (en Inglés)

Short-Circuit Withstand Capability of Power Transformers (en Inglés)

Formato

Libro Físico

Autor

Daniel Hermann Geißler

Editorial

Cuvillier

Idioma

Inglés

N° páginas

174

Encuadernación

Tapa Blanda

Dimensiones

21.0 x 14.8 x 0.9 cm

Peso

0.21 kg.

ISBN13

9783736993327

Categorías

Tecnología: cuestiones generales

Short-Circuit Withstand Capability of Power Transformers (en Inglés)

Daniel Hermann Geißler (Autor) · Cuvillier · Tapa Blanda

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Reseña del libro "Short-Circuit Withstand Capability of Power Transformers (en Inglés)"

The work presented in this PhD-thesis concentrates on radial buckling phenomena of power transformer windings made from Continuously Transposed Conductors (CTC). Analytical and simulation-based approaches describe the critical buckling load involving elastoplastic material behavior. A test stand allows verifying the theoretical results based on dynamic short-circuit tests with realistic winding arrangements in air. Acceleration sensors and a high-speed camera are used to measure the winding vibration and deformation. Furthermore, bonded CTCs are characterized by bending tests and a simulation model including the shear strength of the bonding is developed. Another focus is on the impact of the paper insulation wrapped around CTCs and its contribution to the overall mechanical stiffness. On this subject a considerable impact has been discovered. Accelerated aging tests address the mechanical effect of paper aging based on bending tests as well as zero- and wide-span tensile tests and the degree of polymerization (DP).