Inventor · disambiguated record
Zhaoqing Hu
Also filed as: HU ZHAOQING
13 granted patents·1 pending application·4 citations·filing 2015–2022
81Inventor score
Top patents by PatentIndex Score
14 records- 0175US10523131B2Reconfigurable MMC sub-module unit and control unit thereofNR ELECTRIC CO LTD·Filed 2017·Granted Dec 31, 2019·3 cites·4 claims
- 0271US10840702B2Direct current power grid voltage control methodNR ELECTRIC CO LTD·Filed 2017·Granted Nov 17, 2020·1 cites·4 claims
- 0353US10476261B2Method and system for fault positioning and recovery of voltage source converterNR ELECTRIC CO LTD·Filed 2017·Granted Nov 12, 2019·0 cites·46 claims
- 0449US10326275B2Method for controlling zero sequence voltage of voltage source converterNR ELECTRIC CO LTD·Filed 2017·Granted Jun 18, 2019·0 cites·7 claims
- 0548US10396562B2Series compensation device applicable to double-circuit lineNR ELECTRIC CO LTD·Filed 2017·Granted Aug 27, 2019·0 cites·9 claims
- 0647US10218184B2Method for inhibiting multiple inverter stations from entering passive control mode in island stateNR ELECTRIC CO LTD·Filed 2015·Granted Feb 26, 2019·0 cites·4 claims
- 0746US11329486B2Method for initiating flexible DC transmission system under isolated island conditionNR ELECTRIC CO LTD·Filed 2018·Granted May 10, 2022·0 cites·13 claims
- 0846US2024274546A1Electronic device and variable frequency control system using electronic deviceEMERSON CLIMATE TECH SUZHOU CO LTD·Filed 2022·Application pending·0 cites
- 0944US11374411B2Converter control method and deviceNR ELECTRIC CO LTD·Filed 2018·Granted Jun 28, 2022·0 cites·13 claims
- 1044US11289905B2Voltage and current control method and device for direct-current power transmission systemNR ELECTRIC CO LTD·Filed 2018·Granted Mar 29, 2022·0 cites·10 claims
- 1143US10461525B2Fault current limiting control and protection coordination method for converter of flexible direct current power transmission system operating in islanding stateNR ELECTRIC CO LTD·Filed 2017·Granted Oct 29, 2019·0 cites·10 claims
- 1242US10418816B2Passive islanding-to-grid-connected switch methodNR ELECTRIC CO LTD·Filed 2015·Granted Sep 17, 2019·0 cites·5 claims
- 1338US11146071B2Coordinated control method and device for series voltage source converter valve groupNR ELECTRIC CO LTD·Filed 2018·Granted Oct 12, 2021·0 cites·8 claims
- 1435US10270332B2Overload current limiting method for voltage source converterNR ELECTRIC CO LTD·Filed 2017·Granted Apr 23, 2019·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →