Performance Analysis of an All Solid-State Linear Transformer Driver

Landon Collier; James Dickens; John Mankowski; Andreas Neuber

Performance Analysis of an All Solid-State Linear Transformer Driver

Landon Collier, James Dickens, John Mankowski, Andreas Neuber

Electrical and Computer Engineering

Research output: Contribution to journal › Article

Abstract

© 1973-2012 IEEE. The performance of an all solid-state linear transformer driver (LTD) is evaluated based on experimentally verified behavior of a single stage. The single-stage LTD utilizes a low-profile design with robust thyristor switches and high-energy-density mica capacitors to minimize overall system inductance. Subnanosecond jitter is achieved with simultaneous thyristor triggering. The stage is magnetically coupled to a secondary winding through a central nanocrystalline core. A dc current source, decoupled with a large inductance, actively resets the core between pulses. The overall result is a low-impedance ( < 1Ω per stage) pulse generator that rivals the performance of traditional Marx systems with the improved reliability, increased lifetime, and fast rep-rate capabilities of solid-state switches. The stage is tested with charging voltages up to 8 kV into various loads and compared with simulations based on an analog behavioral thyristor switch model previously develo

Original language	English
Pages (from-to)	1755-1761
Journal	IEEE Transactions on Plasma Science
State	Published - Jul 1 2017

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Collier, L., Dickens, J., Mankowski, J., & Neuber, A. (2017). Performance Analysis of an All Solid-State Linear Transformer Driver. IEEE Transactions on Plasma Science, 1755-1761.

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AB - © 1973-2012 IEEE. The performance of an all solid-state linear transformer driver (LTD) is evaluated based on experimentally verified behavior of a single stage. The single-stage LTD utilizes a low-profile design with robust thyristor switches and high-energy-density mica capacitors to minimize overall system inductance. Subnanosecond jitter is achieved with simultaneous thyristor triggering. The stage is magnetically coupled to a secondary winding through a central nanocrystalline core. A dc current source, decoupled with a large inductance, actively resets the core between pulses. The overall result is a low-impedance ( < 1Ω per stage) pulse generator that rivals the performance of traditional Marx systems with the improved reliability, increased lifetime, and fast rep-rate capabilities of solid-state switches. The stage is tested with charging voltages up to 8 kV into various loads and compared with simulations based on an analog behavioral thyristor switch model previously develo

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