Comparison between measured and numerically calculated AC losses in second-generation high temperature superconductor pancake coils

2011 ◽  
Vol 471 (21-22) ◽  
pp. 1003-1006 ◽  
Author(s):  
Y. Zhao ◽  
J. Fang ◽  
W. Zhang ◽  
J. Zhao ◽  
L. Sheng
Keyword(s):  
High Temperature ◽  
High Temperature Superconductor ◽  
Second Generation ◽  
Ac Losses ◽  
Pancake Coils

scholarly journals Measurements and Analysis of AC Losses in HTS Windings of Electrical Machine for Different Operation Modes

2021 ◽  
Vol 11 (6) ◽  
pp. 2741
Author(s):  
Sergey Zanegin ◽  
Nikolay Ivanov ◽  
Vasily Zubko ◽  
Konstantin Kovalev ◽  
Ivan Shishov ◽  
...  
Keyword(s):  
Magnetic Field ◽  
High Temperature ◽  
High Temperature Superconductor ◽  
High Temperature Superconductors ◽  
Transport Current ◽  
Operating Conditions ◽  
Ac Losses ◽  
Electrical Machine ◽  
2Nd Generation ◽  
Motor Mode

The article is devoted to the study of losses in devices based on high-temperature superconductors of the 2nd generation. The complexity of the devices under study increases from a single rack coil to a winding assembled from several coils, and finally to an electric machine operating in generator mode. This is the way to experimentally study the behavior of 2nd generation high temperature superconductor (2G HTS) carrying a transport current in various conditions: self-field, external DC, and AC magnetic field. Attention is also paid to the losses in the winding during its operation from the inverter, which simulates the operating conditions in the motor mode of a propulsion system.

Pulse Magnetization Studies on Partially Slit Second-Generation High-Temperature Superconductor Tape

2015 ◽  
Vol 25 (3) ◽  
pp. 1-4 ◽  
Author(s):  
Edward Chen ◽  
Devdatta P. Kulkarni ◽  
Haran Karmaker ◽  
Dean Sarandria ◽  
Leslie Bromberg
Keyword(s):  
High Temperature ◽  
High Temperature Superconductor ◽  
Second Generation ◽  
Pulse Magnetization ◽  
Superconductor Tape

scholarly journals Measurements and calculations of transport AC loss in second generation high temperature superconducting pancake coils

2011 ◽  
Vol 110 (11) ◽  
pp. 113906 ◽  
Author(s):  
Weijia Yuan ◽  
T. A. Coombs ◽  
Jae-Ho Kim ◽  
Chul Han Kim ◽  
Jozef Kvitkovic ◽  
...  
Keyword(s):  
High Temperature ◽  
Second Generation ◽  
Ac Loss ◽  
High Temperature Superconducting ◽  
Pancake Coils

Oxygen loading in second-generation high-temperature superconductor tapes

2006 ◽  
Vol 6 (3) ◽  
pp. 511-514
Author(s):  
N.M. Strickland ◽  
G.V.M. Williams ◽  
Anita Semwal ◽  
D.T. Verebelyi ◽  
W. Zhang
Keyword(s):  
High Temperature ◽  
High Temperature Superconductor ◽  
Second Generation

Overview of High Temperature Superconductor Machines

2021 ◽  
Vol 4 (4) ◽  
pp. 25-33
Author(s):  
Bruno Douine ◽  
◽  
Hocine Menana ◽  
Kevin Berger ◽  
Jean Lеvеque ◽  
...  
Keyword(s):  
High Temperature ◽  
Power Systems ◽  
High Temperature Superconductor ◽  
High Temperature Superconductors ◽  
Synchronous Machine ◽  
Recent Time ◽  
Operating Principle ◽  
Electrical Machines ◽  
Synchronous Machines ◽  
Ac Losses

Electrical machines are important parts of different power systems. The application of high temperature superconductors (HTS) in electrical machines is very promising due to high transport currents. This paper reviews various topologies of superconducting motors and generators using HTS published in the literature in recent time. It begins with a brief presentation of the HTS material used in electrical machines. The description of AC losses and cryogenic systems is done afterwards. Then we offer a striking description of the various realizations of HTS electrical machines such as half HTS synchronous machines, fully HTS synchronous machine, machines with HTS bulks and stacks. Some of these machines are totally innovative compared to conventional ones and their operating principle is strictly related to the presence of HTS materials.

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