Method of controlling DC/DC converter, method of controlling...

Details Method of controlling DC/DC converter, method of controlling... Method of controlling DC/DC converter, method of controlling...

2009-02-25

2011-10-25

Barnie, Rexford (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

C307S045000, C307S046000

Reexamination Certificate

active

08044534

ABSTRACT:
When a DC/DC converter switches between a primary voltage control mode, a secondary voltage control mode, and a current limiting mode as operation modes, an I-term resetting processor outputs an I term depending on the duty ratio in the operation mode before being switched to a PID processor. The PID processor performs a PID control process based on the input I term. A drive duty ratio setter outputs a drive duty ratio immediately after the control mode switching, which is substantially equal to the duty ratio in the operation mode before being switched. As a result, the duty ratios in the operation mode before being switched and the operation mode after being switched are made continuous with respect to each other.

REFERENCES:
patent: 7715217 (2010-05-01), Manabe et al.
patent: 2002-112534 (2002-04-01), None
patent: 2005-218260 (2005-08-01), None
patent: 2007-159315 (2007-06-01), None
Japanese Office Action for Application No. 2008-042944, dated Jan. 12, 2010.

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