1
Hong Shan Tao, Hong Jian Gan, Jian Ping Ying: Resonance converter and synchronous rectification driving method thereof. Delta Electronics, Volpe And Koenig P C, October 6, 2009: US07599198 (15 worldwide citation)

A resonance converter and a synchronous rectification driving method thereof are provided. The resonance converter includes a switch circuit having at least two first switches, a resonance circuit having a resonance frequency, a transformer, and a full-wave rectification circuit having two second sw ...


2
Hong Jian Gan, Yao Jian Huang, Yi Chen, Alpha J Zhang: Synchronous rectifier with burst mode control. Delta Electronics, June 28, 2005: US06912143 (6 worldwide citation)

The present invention proposes a synchronous rectifier with burst mode control. A synchronous rectifier includes a transformer having a primary winding electrically connected to a power source, a secondary winding, a first auxiliary winding, and a second auxiliary winding, a first switch and a secon ...


3
Ai Xing Tong, Yu Ming Chang, Hong Jian Gan, Shao Cai Ma, Jian Ping Ying: High-power medium-voltage drive power cell having power elements disposed on both sides of base plate. Delta Electronics, CKC & Partners, April 28, 2015: US09019731 (3 worldwide citation)

The present invention provides a high-power medium-voltage drive power cell, which comprises: a rectifier module for rectifying the three-phase AC input voltage to get a DC voltage; an IGBT (Insulated Gate Bipolar Transistor) inverter bridge connected to capacitors for converting the DC voltage into ...


4
Jui Yuan Hsu, Hong Jian Gan: Assembly structure of transformer, system circuit board and auxiliary circuit board. Delta Electronics, Kirton & McConkie, Evan R Witt, February 15, 2011: US07889043 (3 worldwide citation)

An assembly structure includes a transformer, a system circuit board and an auxiliary circuit board. The transformer includes a primary winding coil, a secondary winding assembly and a magnetic core assembly. The magnetic core assembly is partially embedded within the primary winding coil and the se ...


5
Sen Lin Wen, Jian Ping Ying, Hong Jian Gan, She Zhao: Direct-current capacitor module and laminated busbar structure thereof. DELTA ELECTRONICS, CKC & Partners, April 11, 2017: US09620292 (2 worldwide citation)

A direct-current capacitor module is disclosed in this disclosure. The direct-current capacitor module includes a plurality of direct-current capacitors and a laminated busbar structure. The direct-current capacitors are grouped into a first portion and a second portion. The laminated busbar structu ...


6
Hao Yi Ye, Jia Ping Chen, Hong Shan Tao, Jian Ping Ying, Zhong Chen, Jing Fei He, Feng Li, Hong Jian Gan: Coil structure for high frequency transformer. Delta Electronics, Volpe and Koenig P C, March 31, 2009: US07511599 (2 worldwide citation)

The present invention provides a continuous conductive planar coil structure. The continuous conductive planar coil structure includes a first output terminal, a second output terminal, a coil body and a projection plane parallel to the coil body, wherein a first projection on the projection plane i ...


7
Jian Ping Ying, Shao Cai Ma, Hong Jian Gan, Sen Lin Wen: Three-level converter having phase bridge arm. DELTA ELECTRONICS, Locke Lord, Tim Tingkang Xia Esq, July 28, 2015: US09093923 (1 worldwide citation)

A three-level converter includes at least one phase bridge arm, each including an upper-half and a lower-half bridge arm circuit modules. The upper-half bridge arm circuit module includes a first and a second switch units that are in series connection, and a first diode unit. The lower-half bridge a ...


8
Liang Liu, Bo Yu Pu, Yi Zhang, Hong Jian Gan, Jian Ping Ying: Short-circuit detection device and method used in inverter circuit. DELTA ELECTRONICS, CKC & Partners, May 1, 2018: US09960592 (1 worldwide citation)

A method for detecting a short circuit fault in a multi-level inverter circuit is provided. The multi-level inverter circuit includes a plurality of single phase branches each including of switches. The method includes steps outlined below. At least one detecting pulse sequence is transmitted to the ...


9
Jian Gang Huang, Bing Zhang, Yang Yang Tao, Sen Lin Wen, Li Feng Qiao, Hong Jian Gan, Jian Ping Ying: Three-level rectifier. DELTA ELECTRONICS, CKC & Partners, June 20, 2017: US09685883 (1 worldwide citation)

A three-level rectifier includes at least one phase bridge arm that includes an upper-half and a lower-half bridge arm circuit modules. The upper-half bridge arm circuit module includes a first diode unit and a second diode unit that are in series connection, and a first power semiconductor switch u ...


10
Hong Jian Gan, Bo Yu Pu, Ming Wang: Five-level converting device. Delta Electronics, CKC & Partners, May 30, 2017: US09667166 (1 worldwide citation)

A five-level converting device includes a first switch module, a second switch module and a third switch modules each connects to a neutral point, a positive terminal and a negative terminal of a bus capacitor module. A first switch module includes a plurality of bidirectional switching circuits cas ...