P

Inventor

WANG NANNAN

CN37 patents
⚠️ This page may combine multiple inventors who share the name “WANG NANNAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NR ELECTRIC CO LTD

14 patents
US10181799B2Jan 15, 2019

Hybrid back-to-back direct current transmission system and power flow reversal control method

NR ELECTRIC CO LTD2 citations71
US10164428B2Dec 25, 2018

Voltage-source multi-level converter, DC power transmission system, and fault processing method and device

NR ELECTRIC CO LTD3 citations70
US10797487B2Oct 6, 2020

On-line input control method, on-line input and quit device for voltage-source converter unit

NR ELECTRIC CO LTD1 citations62
US10283965B2May 7, 2019

Method for incorporating non-operating station into operating system in multi-terminal flexible DC transmission system

NR ELECTRIC CO LTD1 citations62
US11355932B2Jun 7, 2022

Control system and control method for parallel converter system

NR ELECTRIC CO LTD1 citations61
US10923906B2Feb 16, 2021

Fault switch configuration and clearing method in flexible DC converter station

NR ELECTRIC CO LTD0 citations60
US10700525B2Jun 30, 2020

Method and apparatus for controlling hybrid direct-current transmission system

NR ELECTRIC CO LTD1 citations59
US11146071B2Oct 12, 2021

Coordinated control method and device for series voltage source converter valve group

NR ELECTRIC CO LTD0 citations51
US10476261B2Nov 12, 2019

Method and system for fault positioning and recovery of voltage source converter

NR ELECTRIC CO LTD0 citations51
US11374411B2Jun 28, 2022

Converter control method and device

NR ELECTRIC CO LTD0 citations50
US11190020B2Nov 30, 2021

Direct current voltage coordination control method

NR ELECTRIC CO LTD0 citations50
US11289905B2Mar 29, 2022

Voltage and current control method and device for direct-current power transmission system

NR ELECTRIC CO LTD0 citations49
US10396562B2Aug 27, 2019

Series compensation device applicable to double-circuit line

NR ELECTRIC CO LTD0 citations48
US9608511B2Mar 28, 2017

Method for charging modular multilevel converter

NR ELECTRIC CO LTD0 citations41

FUJITSU LTD

9 patents

HUAWEI CLOUD COMPUTING TECH CO LTD

7 patents

BEIJING XIAOMI MOBILE SOFTWARE CO LTD

2 patents

XIAOMI INC

2 patents

BRACCO IMAGING SPA

1 patent

WANG NANNAN

1 patent

1FINITY INC

1 patent