Power supply circuit

Details Power supply circuit Power supply circuit

1977-06-07

1978-06-20

Shoop, William M.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 28, 363124, H02M 7515

Patent

active

040965597

ABSTRACT:
A power supply circuit for a high voltage driven device, particularly a magnetron, is described. The power supply circuit comprises first and second switching elements, an inverter circuit including a commutating reactor connected in series with the first and second switching elements and a capacitor connected to a center tap of the commutating reactor, a transformer connected to an output of the inverter circuit, and a third switching element connected in parallel with a series circuit comprising the capacitor, the primary winding of the transformer and a portion of the commutating reactor. When the magnitude of a current flowing in the transformer exceeds a predetermined level, the third switching element is fired to establish a discharge loop for the capacitor through the series circuit whereby the amplitude of the current supplied to the transformer is limited below the predetermined level.

REFERENCES:
patent: 3480850 (1969-11-01), Gaboriaud
patent: 3864619 (1975-02-01), Tanaka et al.
patent: 3881146 (1975-04-01), Wanlass

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