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  145 MVA modular thyristor converter system with neutral control for ASDEX Upgrade

Käsemann, C.-P., van Lieshout, L., Huart, M., & Sihler, C. (2003). 145 MVA modular thyristor converter system with neutral control for ASDEX Upgrade. Fusion Engineering and Design, 66-68, 1133-1137. doi:10.1016/S0920-3796(03)00283-7.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-31F2-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-31F3-0
Genre: Journal Article

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 Creators:
Käsemann, C.-P.1, Author              
van Lieshout, L.2, Author
Huart, M.3, Author              
Sihler, C.3, Author              
Affiliations:
1Central Technical Service (ZTE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856299              
2Imtech Vonk BV, Modem 30, NL 7741 MJ, Coevorden, Netherlands, ou_persistent22              
3Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              

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Free keywords: 22nd Symposium on Fusion Technology (SOFT 2002), Helsinki, 2002-09-09 to 2002-09-13
 Abstract: The power supply of the ASDEX Upgrade (AUG) tokamak consists of 11 thyristor converter modules which feed the poloidal field coils. All converters installed are powered by 10.5 kV flywheel generators starting at a frequency of 110 Hz, running down to 85 Hz during a pulse. For quasi-stationary advanced tokamak experiments with enlarged flat-top phase, the power supply system must be extended. The variable frequency of the pulsed network, fast load changes, together with the different parameters of the load coils require a very sophisticated converter design with reduced reactive power consumption. The paper describes the design and testing of the modular Thyristor Converter Group 6 with neutral control and four quadrant possibilities. It presents the various configurations available for operation on AUG magnetic coils, analyses the results of measurements obtained during commissioning, compares them to the calculated (design) values and reports on the performance achieved in fast four quadrant operation, improving the possibilities of the AUG feedback control of plasma shape and position.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Fusion Engineering and Design
  Alternative Title : Fusion Eng. Des.
Source Genre: Journal
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Publ. Info: Copyright © 2003 Elsevier B.V. All rights reserved
Pages: - Volume / Issue: 66-68 Sequence Number: - Start / End Page: 1133 - 1137 Identifier: -