Magnetic flux leakage analysis and compensation of high-frequency planar insulated core transformer

Jia-Jia TIAN; Yong-Hao LIU; Rui LI; De-Ming LI; Song-Lin LU

doi:10.13538/j.1001-8042/nst.26.030105

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Magnetic flux leakage analysis and compensation of high-frequency planar insulated core transformer

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS | Updated：2021-01-20

- Magnetic flux leakage analysis and compensation of high-frequency planar insulated core transformer
- Nuclear Science and Techniques Vol. 26, Issue 3, Article number: 030105(2015)
- Affiliations：
  
  1.Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  2.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  Corresponding author, lideming@sinap.ac.cn
- Funds：
- DOI：10.13538/j.1001-8042/nst.26.030105
  CLC：
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Jia-Jia TIAN, Yong-Hao LIU, Rui LI, et al. Magnetic flux leakage analysis and compensation of high-frequency planar insulated core transformer. [J]. Nuclear Science and Techniques 26(3):030105(2015)
DOI：

Jia-Jia TIAN, Yong-Hao LIU, Rui LI, et al. Magnetic flux leakage analysis and compensation of high-frequency planar insulated core transformer. [J]. Nuclear Science and Techniques 26(3):030105(2015) DOI： 10.13538/j.1001-8042/nst.26.030105.

摘要

Abstract

A novel high-frequency and high power density planar insulated core transformer (PICT) applied to high voltage direct current (DC) generator is introduced. PICT’s operating principle and fundamental configuration are described, and preliminary experimental results in self-designed PICT apparatus are presented. Emphatically, magnetic leakage flux (MFL) giving rise to the output voltage drop is analyzed in detail both theoretically and by finite element method (FEM). Showing good consistency with experimental result, FEM simulation is considered to be practicable in physical design of PICT. To cancel out leakage inductance and improve the voltage uniformity, compensation capacitor is adopted and experimental verification is also presented. All shows satisfactory results.

关键词

Keywords

Planar insulated core transformerLoad operationMagnetic flux leakageLeakage inductanceFinite element analysisFlux compensation

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