Work

Structure design and magnetic-vibration characteristics analysis of hybrid core for high efficiency distribution transformer

Year: 2025

Type: article

Abstract: Amorphous alloys and grain-oriented silicon steels are extensively utilized as core materials in distribution transformers, each exhibiting distinct advantages and inherent limitations. However, achieving further performance enhancements in distribution transformers constructed from a single material poses significant challenges. In this study, we propose a novel design methodology for a hybrid core comprising amorphous alloy and grain-oriented silicon steel, grounded in magnetic circuit theory. Utilizing this approach, a prototype transformer with a hybrid core was designed and manufactured. The magnetic flux density distribution, core loss, and vibration acceleration of the hybrid core were meticulously measured and compared against those of transformers with single-material cores. The experimental results, particularly the comparative analysis of flux density, substantiate the efficacy of the proposed design methodology.

Source: AIP Advances

DOI: 10.1063/9.0000904

Authors: Yongjian Li, Guangyu Han, Shuaichao Yue, Zhenyu Wan, Jiatong Yin

Institutions: Hebei University of Technology, State Key Laboratory of Reliability and Intelligence of Electrical Equipment

Language: English

Topic: Magnetic Properties and Applications

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $1,350