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Magnetic amplifier
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== Strengths == The magnetic amplifier is a static device with no moving parts. It has no wear-out mechanism and has a good tolerance to mechanical shock and vibration. It requires no warm-up time.<ref name="Storm55"/> Multiple isolated signals may be summed by additional control windings on the magnetic cores. The windings of a magnetic amplifier have a higher tolerance to momentary overloads than comparable solid-state devices. The magnetic amplifier is also used as a transducer in applications such as current measurement and the [[Magnetometer|flux gate compass]]. The reactor cores of magnetic amplifiers withstand neutron radiation extremely well.<ref>{{cite book |last1=Lynn |first1=Gordon E. |last2=Pula |first2=Thaddeus J. |last3=Ringelman |first3=John F. |last4=Timmel |first4=Frederick G. |year=1960 |chapter=Effects on Nuclear Radiation on Magnetic Materials |title=Self-saturating Magnetic Amplifiers |location=New York |publisher=McGraw-Hill |lccn=60-6979 |quote=The nature of ferromagnetic materials results in far less damage from nuclear radiation than is done to [[semiconductor materials]]. β¦ One study devoted to the problem indicates that the major damage to core material suitable for self-saturating magnetic amplifiers consists of loss of loop rectangularity and increased dynamic coercive force. This study was made at a total integrated neutron flux of 2.7 β <math>10^{18}</math> neutrons/<math>cm^2</math>. |ref=Lynn1960 }}</ref> For this special reason magnetic amplifiers have been used in nuclear power applications.<ref>{{cite journal |last1=Gilmore |first1=Ken |date=July 1960 |title=Magnetic Amplifiers β how they work and what they do |url=http://www.americanradiohistory.com/Archive-Poptronics/60s/60/Pop-1960-07.pdf |journal=Popular Electronics |volume=13 |issue=1 |pages=71β75, 109 |access-date=2014-10-20 |quote=The electronic watchdogs that keep the Triton's powerful nuclear plant operating without a hitch are magnetic amplifiers β almost hundred of them are used for this critical job. |ref=Gilmore1960}}</ref>
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