P

Inventor

YU YANFEI

CN32 patents
⚠️ This page may combine multiple inventors who share the name “YU YANFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUNGROW POWER SUPPLY CO LTD

29 patents
US10298019B1May 21, 2019

Communication host and photovoltaic power generation system

SUNGROW POWER SUPPLY CO LTD2 citations73
US11201537B2Dec 14, 2021

Method for suppressing common mode impulse current for inverter generated when switching on alternating current switch and application device thereof

SUNGROW POWER SUPPLY CO LTD2 citations72
US10503126B2Dec 10, 2019

Access control method for parallel direct current power supplies and device thereof

SUNGROW POWER SUPPLY CO LTD2 citations71
US11626837B2Apr 11, 2023

Photovoltaic system and method for locating devices in photovoltaic string

SUNGROW POWER SUPPLY CO LTD2 citations70
US9912252B2Mar 6, 2018

Pre-charge circuit and photovoltaic inverter

SUNGROW POWER SUPPLY CO LTD2 citations70
US11031906B2Jun 8, 2021

Current-voltage curve scan method for photovoltaic module, and optimizer

SUNGROW POWER SUPPLY CO LTD2 citations69
US10075127B1Sep 11, 2018

Photovoltaic rapid shutdown device and photovoltaic system

SUNGROW POWER SUPPLY CO LTD4 citations69
US11843241B2Dec 12, 2023

Intelligent switch device and power generation system

SUNGROW POWER SUPPLY CO LTD1 citations62
US11973349B2Apr 30, 2024

Device for suppressing potential induced degradation and system

SUNGROW POWER SUPPLY CO LTD0 citations61
US11101661B2Aug 24, 2021

Device for suppressing potential induced degradation and system

SUNGROW POWER SUPPLY CO LTD1 citations61
US10523011B2Dec 31, 2019

Voltage compensation apparatus for photovoltaic system and photovoltaic system

SUNGROW POWER SUPPLY CO LTD1 citations61
US12451839B2Oct 21, 2025

Inverter and alternating current fault identification method for photovoltaic system

SUNGROW POWER SUPPLY CO LTD0 citations55
US12413067B2Sep 9, 2025

Rapid turnoff method, photovoltaic assembly turnoff device, and photovoltaic system

SUNGROW POWER SUPPLY CO LTD0 citations52
US12362571B2Jul 15, 2025

Photovoltaic system and communication method therefor

SUNGROW POWER SUPPLY CO LTD0 citations52
US12512677B2Dec 30, 2025

Photovoltaic power generation system and control method therefor, and power converter

SUNGROW POWER SUPPLY CO LTD0 citations51
US12119644B2Oct 15, 2024

Control method for photovoltaic rapid switching-off system, and application apparatus and system therefor

SUNGROW POWER SUPPLY CO LTD0 citations51
US11799285B2Oct 24, 2023

Method for starting photovoltaic rapid shutdown system, application apparatus and system

SUNGROW POWER SUPPLY CO LTD0 citations51
US11616376B2Mar 28, 2023

Energy storage system and method for capacity expansion thereof

SUNGROW POWER SUPPLY CO LTD0 citations51
US11387777B2Jul 12, 2022

Active bypass control device and method for photovoltaic module

SUNGROW POWER SUPPLY CO LTD0 citations51
US11303113B2Apr 12, 2022

Shutdown control system and method

SUNGROW POWER SUPPLY CO LTD0 citations51
US11043802B2Jun 22, 2021

Shutdown apparatus for photovoltaic module

SUNGROW POWER SUPPLY CO LTD0 citations51
US11082004B2Aug 3, 2021

Shutdown control system and method

SUNGROW POWER SUPPLY CO LTD0 citations50
US10965246B2Mar 30, 2021

Shutdown control system and method

SUNGROW POWER SUPPLY CO LTD0 citations50
US12057809B2Aug 6, 2024

Method for controlling operation of MLPE device, method for controlling MLPE devices, and photovoltaic system

SUNGROW POWER SUPPLY CO LTD0 citations49
US11894687B2Feb 6, 2024

Method of ranking MLPE apparatuses and locating devices in a photovoltaic string

SUNGROW POWER SUPPLY CO LTD0 citations49
US11683008B2Jun 20, 2023

Photovoltaic inverter, photovoltaic system, and method for controlling discharging

SUNGROW POWER SUPPLY CO LTD0 citations45
US10637252B2Apr 28, 2020

Electrical energy control method and apparatus for photovoltaic system

SUNGROW POWER SUPPLY CO LTD0 citations41
US9923481B2Mar 20, 2018

Photovoltaic system and method for controlling the same

SUNGROW POWER SUPPLY CO LTD0 citations40
US10797599B2Oct 6, 2020

Method for regulating output characteristics of photovoltaic module and direct current/direct current converter

SUNGROW POWER SUPPLY CO LTD0 citations39

JIANGSU ACAD AGRICULTURAL SCI

2 patents

UNIV SHANDONG

1 patent