US 11,909,326 B2
Parallel hybrid converter apparatus and method
Heping Dai, Plano, TX (US); Liming Ye, Plano, TX (US); Dianbo Fu, Frisco, TX (US); and Daoshen Chen, Allen, TX (US)
Assigned to Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed on Dec. 24, 2019, as Appl. No. 16/726,678.
Application 16/726,678 is a continuation of application No. 15/477,504, filed on Apr. 3, 2017, granted, now 10,554,141.
Application 15/477,504 is a continuation of application No. 14/548,567, filed on Nov. 20, 2014, granted, now 9,614,453, issued on Apr. 4, 2017.
Prior Publication US 2020/0136517 A1, Apr. 30, 2020
Int. Cl. H02M 3/337 (2006.01); H02M 3/00 (2006.01); H02M 3/335 (2006.01); H02M 3/07 (2006.01); H02M 3/158 (2006.01); H02M 3/18 (2006.01); H02M 1/00 (2006.01)
CPC H02M 3/3372 (2013.01) [H02M 3/01 (2021.05); H02M 3/07 (2013.01); H02M 3/1582 (2013.01); H02M 3/18 (2013.01); H02M 3/33573 (2021.05); H02M 3/33576 (2013.01); H02M 1/007 (2021.05); H02M 1/0058 (2021.05); H02M 3/33571 (2021.05); Y02B 70/10 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an isolated power converter having an input connected to an input dc power source, a first output and a second output, wherein the isolated power converter comprises a first secondary winding, a first resonant tank, a first secondary switch network and a first output capacitor connected in cascade, and a second secondary winding, a second resonant tank, a second secondary switch network and a second output capacitor connected in cascade; and
a non-isolated power converter having an input connected to the second output of the isolated power converter, wherein the first output of the isolated power converter and an output of the non-isolated power converter are connected in series.