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Design Methods for Magnetic Amplifiers and Saturable Reactors: WADC Technical Report 56-281
I have been interested in magnetic amplifiers since I found a copy of Geyger’s Magnetic Amplifier Circuits in a used-book store in the 1970s. The attraction is based on the fact that they use a small DC current to control a possibly large AC current, yet are essentially passive components. Like the transformers that they resemble, they tolerate a good deal of abuse, recovering from momentary overvoltages and excess currents that would destroy solid-state components and likely damage thermionic tubes.
There seems to be continuing interest in them, most likely with regard to their resistance to disturbances such as sunspots and electromagnetic pulses.
There is a large body of magnetic-amplifier information in the literature, but very little specific guidance on design and construction. This document was clearly intended to fill that gap.
This document was prepared under government auspices, and was assigned a PB number, which indicated that it was available to anyone who ordered it. A recent check of both the Defense Technical Information Center (DTIC) and National Technical Information Service (NTIS) databases, however, shows no trace of it, depriving interested parties of a very valuable resource.
My copy, which was scanned to produce this reprint, was obtained on the used book market, but was incomplete. The sheet containing the Bibliography was missing, and I have since tried to rebuild the Bibliography from a poor print – possibly a print from microfilm – that I found in my files. That effort is page 591 of this reprint.
F. Marc de Piolenc
There seems to be continuing interest in them, most likely with regard to their resistance to disturbances such as sunspots and electromagnetic pulses.
There is a large body of magnetic-amplifier information in the literature, but very little specific guidance on design and construction. This document was clearly intended to fill that gap.
This document was prepared under government auspices, and was assigned a PB number, which indicated that it was available to anyone who ordered it. A recent check of both the Defense Technical Information Center (DTIC) and National Technical Information Service (NTIS) databases, however, shows no trace of it, depriving interested parties of a very valuable resource.
My copy, which was scanned to produce this reprint, was obtained on the used book market, but was incomplete. The sheet containing the Bibliography was missing, and I have since tried to rebuild the Bibliography from a poor print – possibly a print from microfilm – that I found in my files. That effort is page 591 of this reprint.
F. Marc de Piolenc
639 pages, Paperback
Published July 22, 2023
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