Correlation of Forced and Free Oscillations of Coils and Windings
- 1 December 1959
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems
- Vol. 78 (4) , 986-994
- https://doi.org/10.1109/AIEEPAS.1959.4500490
Abstract
This paper shows that there exists a simple relationship between the forced and free oscillations of coils and windings which are generally treated in the literature as two separate phenomena. As a consequence, a correlation also exists between certain natural frequencies of a coil or winding under different terminal conditions. Experimental measurements on air coils, iron-core coils, and transformer windings prove the correctness of the theory. The frequencies are determined analytically by energy methods.Keywords
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