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An extension of a theory of magnetic amplifiers

✍ Scribed by Robert T. Beyer; Ming-Yi Wei

Publisher
Elsevier Science
Year
1950
Tongue
English
Weight
478 KB
Volume
250
Category
Article
ISSN
0016-0032

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✦ Synopsis

A theory of operation of certain magnetic amplifiers, previously presented, is extended, in the case of secondaries with infinite a-c. impedance to be valid for large input currents. The second harmonic output is shown to deviate from linearity (with d-c. input) and pass through a maximum as the direct current is increased. Some experimental evidence is given to support the calculations. The influence of a third harmonic term in the primary current (not considered in the simple theory) is also investigated. It is shown that for small input currents no serious error is introduced by neglecting the higher harmonic.

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