Static converter having partially gapped transformer

Details Static converter having partially gapped transformer Static converter having partially gapped transformer

1975-12-29

1977-08-16

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 56, H02M 3335

Patent

active

040428729

ABSTRACT:
A static converter utilizing a transformer core having a gapped auxiliary flux path with a reluctance differing from that of another flux path, and a main flux path about which the primary and secondary converter windings are wrapped and through which the flux in both the auxiliary path and the other path pass. A sense winding is wrapped about the other path so as to develop on saturation a signal which can be used to de-energize the primary winding before saturation of the main flux path and thereby prevent the generation of high current surges through the switching transistors in the primary circuit.

REFERENCES:
patent: 1739699 (1929-12-01), Whittle
patent: 3539905 (1970-11-01), Schwarz
patent: 3541428 (1970-11-01), Schwarz
patent: 3611330 (1971-10-01), Cacossa
patent: 3660751 (1972-05-01), Bullinga
patent: 3697855 (1972-10-01), Kernick et al.
patent: 3914680 (1975-10-01), Hesler et al.
(S0107 0020), IEEE Transactions on Magnetics, vol. MAG-S, No. 4, Dec. 1969, pp. 908-912.
Saturating Core Devices, by Leonard R. Crow, The Scientific Book Publishing Co., Vincennes, Ind., 1949, pp. 162-164.

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