Self-excited inverter with suppressed current spikes

Details Self-excited inverter with suppressed current spikes Self-excited inverter with suppressed current spikes

1978-10-26

1979-12-04

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

331113A, H02M 7537

Patent

active

041775090

ABSTRACT:
A free-running inverter preventing excessive current spikes comprises a transformer and a switch means for alternately connecting, and then disconnecting, a DC voltage to a transformer primary winding which encloses a parallel combination of a saturating magnetic core and a non-saturating magnetic core. A transformer feedback winding enclosing only the saturating core drives the switch means during and between switch states. Switching between states is accomplished prior to saturation of the composite core.

REFERENCES:
patent: 2852730 (1958-09-01), Magnuski
patent: 3092786 (1963-06-01), Bayne
patent: 3403319 (1968-09-01), Tate
patent: 3417348 (1968-12-01), Moore
patent: 3473104 (1969-10-01), Tate
patent: 3660749 (1972-05-01), Kadri

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