Development of a superconducting transformer using self-resonant techniques for DC∕DC power conversion

Cheng, Ka Wai Eric; Chan, Helen Lai Wah; Sutanto, Danny

doi:10.1049/ip-epa:20040417

Cited by 4 publications

(1 citation statement)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The scheme is similar to the one of the superconducting transformer for DC/DC power conversion in [8]: we consider a capacitor of 1 µF that together with the transformer's self inductance (leakage inductance plus magnetizing inductance) of 32 µH causes a resonance at 28 kHz. As the inductance is calculated by a 2D-approximation, the experimental resonance frequency may be different.…”

Section: Higher Power Output Due To Resonant Circuitmentioning

confidence: 99%

Inductive coupler for contactless power transmission

Sergeant

Bossche

2008

IET Electr. Power Appl.

112

View full text Add to dashboard Cite

To provide power to a moving vehicle without using contacts, a transformer is presented, consisting of a fixed primary winding, inductively coupled to a moving secondary winding. The primary winding along the whole trajectory of motion is configured such that its magnetic stray field and its self inductance are limited. This winding transfers power to the moving coupler containing the yoke and the secondary winding. The secondary winding is a resonant circuit, with a rectifier and the motor of the vehicle as load. To describe the energy transmission system, a numerical model is developed that combines an electrical circuit with a 2D nonlinear finite element model. This model is used for an optimization of the design. For the optimized configuration, an experimental setup is built to validate the model by measurements. A sensitivity analysis is carried out concerning the primary current, the supply frequency, the position of the secondary winding relative to the primary winding and the number of vehicles coupled with the primary winding.

show abstract

Section: Higher Power Output Due To Resonant Circuitmentioning

confidence: 99%

Inductive coupler for contactless power transmission

Sergeant

Bossche

2008

IET Electr. Power Appl.

112

View full text Add to dashboard Cite

show abstract

Gapped Air-cored Power Converter for Intelligent Clothing Power Transfer

Cheng

Kwok

et al. 2007

2007 7th International Conference on Power Electronics and Drive Systems

View full text Add to dashboard Cite

Cordless Printed Circuit Board Transformers for Power Transfer in Neuroprosthesis

Fung

Cheng

Tong

et al. 2006

2006 2nd International Conference on Power Electronics Systems and Applications

Self Cite

View full text Add to dashboard Cite

Abstract-This paper describes some methods to improve the efficiency of power transfer in neuroprosthesis. In the neuroprosthesis, there is a low power level DC to DC converter in which the size is very small for the power conversion. The reduction of size of the converter uses the technique of cordless printed circuit board transformers that allows the contactless power transfer through the skin. In such, the coupling of the primary and secondary transformers is only skin and air gap.Meanwhile, the magnetizing inductance, leakage inductance and some other parameters affects the efficiency of the power transfer. The paper will discuss the relationship of those parameters and some suggestions for improvement of the overall performance of the converter.

show abstract

Development of a superconducting transformer using self-resonant techniques for DC∕DC power conversion

Cited by 4 publications

References 12 publications

Inductive coupler for contactless power transmission

Inductive coupler for contactless power transmission

Gapped Air-cored Power Converter for Intelligent Clothing Power Transfer

Cordless Printed Circuit Board Transformers for Power Transfer in Neuroprosthesis

Contact Info

Product

Resources

About