Impact of Copper Thickness, Conductor Width and Number of Striations on Coupling Loss Characteristics of Copper-Plated Multifilament Coated Conductors

Author(s):  
Mao Shigemasa ◽  
Yusuke Sogabe ◽  
Ning Wang ◽  
Akira Takahashi ◽  
Naoyuki Amemiya
Author(s):  
Naoyuki Amemiya ◽  
Mao Shigemasa ◽  
Akira Takahashi ◽  
Ning Wang ◽  
Yusuke Sogabe ◽  
...  

Abstract We wound copper-plated multifilament coated conductors spirally on a round core to decouple filaments electromagnetically under ac transverse magnetic fields and measured their magnetisation losses. Although the coated conductors were plated with copper, which connects all filaments electrically and allows current sharing among them, the spiral geometry decoupled filaments similar to the twist geometry, and the magnetisation loss was reduced effectively by the multifilament structure. The measured magnetisation loss of a 4 mm-wide, 10-filament coated conductor with a 20 μm-thick copper wound spirally on a 3 mm-core was only 7% of that of the same 10-filament coated conductor with a straight shape under an ac transverse magnetic field with an amplitude and frequency of 100 mT and 65.44 Hz, respectively. We separated the measured magnetisation losses into hysteresis and coupling losses and discussed the influence of filament width, copper thickness, and core diameter on both losses. We compared the hysteresis losses with the analytical values given by Brandt and Indenbom and compared the coupling losses with the values calculated using a general expression of coupling loss with the coupling time constants and geometry factors.


2001 ◽  
Vol 11 (PR11) ◽  
pp. Pr11-109-Pr11-113
Author(s):  
U. Schmatz ◽  
Ch. Hoffmann ◽  
M. Bauer ◽  
R. Metzger ◽  
P. Berberich ◽  
...  

2003 ◽  
Vol 771 ◽  
Author(s):  
Amir Fardad ◽  
Wei Liang ◽  
Yadong Zhang ◽  
Bryson Case ◽  
Shibin Jiang ◽  
...  

AbstractFluorinated and photo-imageable precursors are synthesized through a Barbier-Grignard reaction for 1550-nm window. The precursors are used for the sol-gel process of integrated optic components for silica-on-silicon technology. Material compositions and process parameters are optimized to achieve internal absorptions >0.1 dB/cm and propagation losses of about 0.5 dB/cm at 1550 nm. Compact 1×16 Beam splitters are designed and fabricated which exhibit >0.3 dB power uniformity, >0.1 dB PDL and 1.5 dB coupling loss. By hybrid integration of the passive splitters and in-house fiber amplifiers, amplifying splitters are demonstrated at various signal intensities.


2009 ◽  
Vol 24 (6) ◽  
pp. 1201-1204 ◽  
Author(s):  
Yue ZHAO ◽  
Hong-Li SUO ◽  
Jean-Claude GRIVEL ◽  
Shuai YE ◽  
Min LIU ◽  
...  

Author(s):  
Shinji FUJITA ◽  
Masanori DAIBO ◽  
Tomoaki TAKEUCHI ◽  
Naonori NAKAMURA ◽  
Ryuji SUZUKI ◽  
...  
Keyword(s):  

2006 ◽  
Vol 21 (09) ◽  
pp. 2176-2184 ◽  
Author(s):  
Alberto Pomar ◽  
Mariona Coll ◽  
Andrea Cavallaro ◽  
Jaume Gàzquez ◽  
Narcis Mestres ◽  
...  

2001 ◽  
Vol 11 (1) ◽  
pp. 3872-3875 ◽  
Author(s):  
B. Holzapfel ◽  
L. Fernandez ◽  
F. Schindler ◽  
B. de Boer ◽  
N. Reger ◽  
...  

2021 ◽  
Vol 27 (1) ◽  
pp. 36-43
Author(s):  
Xinyu Wu ◽  
Hongli Suo ◽  
Jiazhi Li ◽  
Yaotang Ji ◽  
Lin Ma ◽  
...  

Abstract


Sign in / Sign up

Export Citation Format

Share Document