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Title: Solid-state resistor for pulsed power machines

Patent ·
OSTI ID:1334631

A flexible solid-state resistor comprises a string of ceramic resistors that can be used to charge the capacitors of a linear transformer driver (LTD) used in a pulsed power machine. The solid-state resistor is able to absorb the energy of a switch prefire, thereby limiting LTD cavity damage, yet has a sufficiently low RC charge time to allow the capacitor to be recharged without disrupting the operation of the pulsed power machine.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
9,514,864
Application Number:
14/619,536
OSTI ID:
1334631
Resource Relation:
Patent File Date: 2015 Feb 11
Country of Publication:
United States
Language:
English

References (11)

Electrical heating cable with temperature self-limiting heating elements patent February 1978
Potentiometer patent September 1978
Overcurrent protection circuit patent July 1993
Liquid-cooled heavy-duty resistor patent April 1996
Method for protecting porous components subjected to large potential differences and components thus produced patent December 1999
Petawatt pulsed-power accelerator patent March 2010
Resistor arrangement patent January 2011
Resistor arrangement and method for producing a resistor arrangement patent May 2011
Aqueous‐electrolyte resistors for pulsed power applications journal December 1995
Architecture of petawatt-class z -pinch accelerators journal March 2007
High current, 0.5-MA, fast, 100-ns, linear transformer driver experiments journal May 2009

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