Development of open ferromagnetic circuit pulsed power generator

Date

2001-12

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Publisher

Texas Tech University

Abstract

The Pulsed Power Laboratory of the Electrical and Computer Engineering Department at Texas Tech has developed an open ferromagnetic system of pulsed power generation. In order to design a high performance compact pulsed power generator system, a detailed understanding of the physics of magnetic properties is needed. The objective of this work was to establish the fundamentals of the generator. The fundamentals will be very useful to predict its behavior and to design a specific compact pulsed power generator system. We could divide them as follows: Determine the current and voltage pulses that could be produced by this technique. Determine the fundamentals and parameters needed to build a model. Estimate the ultimate current, voltage pulses and power that could be produced by the generator. Perform tests and calculations for a specific load that will be used in the application for which this generator is designed. Simulate and calculate the behavior of the model in the transient operation to predict the output pulses. Study and determine the magnet parameters as well as how they affect the model. By following these fundamental principles procedures can be obtained for single turn ultimate current pulses of 6 to 7 kA with velocities of 250 to300 m/s in the current mode, with a projectile 2.54 cm diameter and 1.9 cm in length. Special software (Coil Designer Simulator) was programmed to determine the different parameters of the loads and pulse generating coils used. This paper describes the necessary methods in designing these test circuits to obtain the device characteristics just explained.

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