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A fusing switch for fault suppression in the SNS High Voltage Converter Modulators

descriptionPublicationkeyboard_double_arrow_right Conference object , Article 01 Jun 2009 United States Publisher:IEEEJournal:2009 IEEE Pulsed Power Conference

Authors: Kemp, Mark A.; Burkhart, Craig; Nguyen, Minh N.; Anderson, David E.;

doi: 10.1109/ppc.2009.5386228

A fusing switch for fault suppression in the SNS High Voltage Converter Modulators

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Abstract

The High Voltage Converter Modulators (HVCMs) at the Spallation Neutron Source (SNS) have operated in excess of a combined 250,000 hours. Performance and reliability improvements to the HVCM are ongoing to increase modulator availability as accelerator system demands increase. There is a relatively large amount of energy storage in the HVCMs, ∼180 kJ. This energy can be released into unsuppressed faults, cause damage, and increase the time to repair. The “fusing switch” would provide a means to isolate this stored energy from the location of the most common faults. This paper introduces this concept and its application to the HVCMs.

Country

United States

Related Organizations

University of North Texas
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Oak Ridge National Laboratory
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SLAC National Accelerator Laboratory
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Oak Ridge National Laboratory
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University of North Texas
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Keywords

43 Particle Accelerators, Stored Energy Other,Eng, Performance, Availability, Energy Storage, Reliability, Other,Eng, Neutron Sources, Spallation, Repair, Accelerators

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