Vector Inversion Generators, VIG, were invented by Fitch and Howell'.The spiral-line VIG takes electrostatically stored energy and converts it into a fast rising high voltage pulse in a dynamic two component, one-step process. We present the results for a variety of S2 units operating over a wide range of parameters. The highest voltage achieved in a single ultra-compact unit has S s Lo d been 500 kV in a device that is 8 inches long and 5 inches 5 in diameter. Two of these units have been operated in tandem to produce a 1 MV pulse generator that failed after about 10 cycles. Finally, we discuss the range of loads (a) (b) that can be driven by this dynamic device in terms of the Figure l.Schematic of Spiral Line Vector Inversion VIG dynamics and the RC time constant for the load. Generator (a) DC Charged and (b) Fully Erected.Distribution: A Closing SI starts an electromagnetic wave traveling up one of the strip lines, but to a first approximation, not in
Single shot, high power, high energy pulsed electrical sources have been investigated over the years. Research has encompassed high energy/high power devices such as magnetic flux compression generators (MCG), as well as high power but lower energy devices like Ferroelectric generators (FEG) and ferromagnetic generators (FMG). In this paper, we will discuss recent experiments aimed at producing a pulsed electrical system consisting of a FEG, resonant energy transfer element, high speed switching, a Vector Inversion Generator (VIG) configurable as an oscillator, and a means to combine them into an efficient system that delivers maximum energy to a load at voltages in excess of 100 kV. In its final embodiment, the pulse generator will be on the order of 1.5 inches in diameter and approximately 8 inches long and capable of delivering a fast high voltage pulse (~ 9ns rise time, 200 kV) at energy levels of "joules" to the load. In this paper, we will describe recent experiments to develop resonant energy transfer from the FEG to the VIG at high efficiency, the development of explosive/dielectric switching at kilovolt levels, and the explosive testing of prototype FEG/VIG configurations that constitute laboratory prototypes sufficient for modeling and simulation. In addition preliminary data showing high frequency oscillation for the FEG/VIG configured as an oscillator will be presented and analyzed in terms of possible antenna configurations and breakdown issues.
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