The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 25, 2013

Filed:

Feb. 28, 2011
Applicants:

Jin-ming Chang, Kwei Shan Township, Taoyuan County, TW;

Zhan-yi Lin, Kwei Shan Township, Taoyuan County, TW;

Chen-kun Chou, Kwei Shan Township, Taoyuan County, TW;

Yu-ming Sun, Kwei Shan Township, Taoyuan County, TW;

Chi-bin Wu, Kwei Shan Township, Taoyuan County, TW;

Inventors:

Jin-Ming Chang, Kwei Shan Township, Taoyuan County, TW;

Zhan-Yi Lin, Kwei Shan Township, Taoyuan County, TW;

Chen-Kun Chou, Kwei Shan Township, Taoyuan County, TW;

Yu-Ming Sun, Kwei Shan Township, Taoyuan County, TW;

Chi-Bin Wu, Kwei Shan Township, Taoyuan County, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses a power conversion circuit. A control module controls a pulse width modulation regulator to regulate a duty cycle of a DC-DC converter according to the direct current link voltage of the DC-DC converter and the output current and voltage of a renewable power supply. The control module also controls the pulse width modulation regulator to regulate a duty cycle of a DC-AC inverter according to the direct current link voltage of the DC-DC converter, output voltage of a utility power supply, and the output current and voltage of the renewable power supply.


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