Design and testing of a 320 MW pulsed power supply

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For a 60 Tesla, 100 millisecond long pulse magnet five 64 MW (87.6 MVA) power converter modules have been installed. Each module provides a no-load voltage of 4.18 kV and a full load voltage of 3.20 kV at the rated current of 20 kA. The modules are connected to a 1,430 MVA/650 MJ inertial energy storage generator set, which is operated at 21 kV and frequencies between 60 and 42 Hz. They are designed to provide the rated power output for 2 seconds once every hour. Each module consists of two 21 kV/3.1 kV cast coil transformers and two 6-pulse ... continued below

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11 p.

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Schillig, J.B.; Boenig, H.J. & Ferner, J.A. March 1, 1998.

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Description

For a 60 Tesla, 100 millisecond long pulse magnet five 64 MW (87.6 MVA) power converter modules have been installed. Each module provides a no-load voltage of 4.18 kV and a full load voltage of 3.20 kV at the rated current of 20 kA. The modules are connected to a 1,430 MVA/650 MJ inertial energy storage generator set, which is operated at 21 kV and frequencies between 60 and 42 Hz. They are designed to provide the rated power output for 2 seconds once every hour. Each module consists of two 21 kV/3.1 kV cast coil transformers and two 6-pulse rectifiers connected in parallel without an interphase reactor, forming a 12-pulse converter module. As far as possible standard high power industrial converter components were used, operated closer to their allowable limits. The converters are controlled by three programmable high speed controllers. In this paper the design of the pulsed converters, including control and special considerations for protection schemes with the converters supplying a mutually coupled magnet system, is detailed. Test results of the converters driving an ohmic-inductive load for 2 seconds at 20 kA and 3.2 kV are presented.

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11 p.

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OSTI as DE98004364

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  • Industry Applications Society annual meeting, New Orleans, LA (United States), 5-9 Oct 1997

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  • Other: DE98004364
  • Report No.: LA-UR--97-5171
  • Report No.: CONF-971033--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 658353
  • Archival Resource Key: ark:/67531/metadc703893

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  • March 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 25, 2016, 2:29 p.m.

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Schillig, J.B.; Boenig, H.J. & Ferner, J.A. Design and testing of a 320 MW pulsed power supply, article, March 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc703893/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.