Inventor
HU WENFEI
CN15 patents
⚠️ This page may combine multiple inventors who share the name “HU WENFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA ELECTRONICS SHANGHAI CO
14 patentsUS11190104B2Nov 30, 2021
DC/DC converter and method for controlling phase shift angle thereof
DELTA ELECTRONICS SHANGHAI CO8 citations83
US11063523B2Jul 13, 2021
DC/DC converter and control method thereof
DELTA ELECTRONICS SHANGHAI CO8 citations83
US11711019B2Jul 25, 2023
Control device for power conversion system and its control method
DELTA ELECTRONICS SHANGHAI CO2 citations73
US10811983B2Oct 20, 2020
Power electronic conversion unit and system
DELTA ELECTRONICS SHANGHAI CO4 citations72
US12483122B2Nov 25, 2025
Resonant converter and method for controlling the resonant converter
DELTA ELECTRONICS SHANGHAI CO1 citations62
US12021451B2Jun 25, 2024
Device and method for controlling distributed power conversion system
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11799393B2Oct 24, 2023
Dispersed carrier phase-shifting method and system
DELTA ELECTRONICS SHANGHAI CO0 citations62
US11233462B2Jan 25, 2022
Power converter and power supply system
DELTA ELECTRONICS SHANGHAI CO1 citations62
US11811310B2Nov 7, 2023
Power conversion system and control method
DELTA ELECTRONICS SHANGHAI CO1 citations61
US11750088B2Sep 5, 2023
PFC circuit, control method thereof and power conversion device
DELTA ELECTRONICS SHANGHAI CO0 citations51
US11496044B2Nov 8, 2022
DC/DC converter and neutral-point voltage balance control method thereof
DELTA ELECTRONICS SHANGHAI CO0 citations51
US12470120B2Nov 11, 2025
Non-communication distributed control method and device for cascade system
DELTA ELECTRONICS SHANGHAI CO0 citations50
US12328065B2Jun 10, 2025
Method for estimating parameters of resonant converter, method for controlling resonant converter and resonant converter
DELTA ELECTRONICS SHANGHAI CO0 citations50
US11088610B2Aug 10, 2021
Driving and controlling method for switching element and circuit thereof
DELTA ELECTRONICS SHANGHAI CO0 citations50