Assignee
STATE GRID CORP CHINA
CN·33 granted patents·28 pending applications·33 citations·filing 2012–2024
Top patents by PatentIndex Score
61 records- 0175US9037425B2Method for determining position of forced power oscillation disturbance source in regional interconnected power gridSTATE GRID CORP CHINA·Filed 2014·Granted May 19, 2015·9 cites·1 claims
- 0270US10037502B2Maintenance schedule optimization method for electric power system including large-scale wind powerSTATE GRID CORP CHINA·Filed 2014·Granted Jul 31, 2018·5 cites·2 claims
- 0367US9739262B2Static testing and calibrating method for PID link of control system of wind turbineSTATE GRID CORP CHINA·Filed 2014·Granted Aug 22, 2017·4 cites·6 claims
- 0465US10148080B2Single-phase-to-earth fault processing device and method for neutral non-effectively grounded distribution networkSTATE GRID CORP CHINA·Filed 2014·Granted Dec 4, 2018·2 cites·3 claims
- 0565US9177094B2Automatic mapping method for a distribution network based on logical layoutSTATE GRID CORP CHINA·Filed 2014·Granted Nov 3, 2015·3 cites·2 claims
- 0662US10288495B2Mixed-mode temperature measurement communication phase conductor and temperature measurement communication systemSTATE GRID CORP CHINA·Filed 2013·Granted May 14, 2019·2 cites·12 claims
- 0760US9484833B2System and method for controlling PCS voltage and frequencySTATE GRID CORP CHINA·Filed 2013·Granted Nov 1, 2016·3 cites·2 claims
- 0857US10308140B2Renewable energy-based hybrid bi-directionally interactive DC traction power supply systemSTATE GRID CORP CHINA·Filed 2014·Granted Jun 4, 2019·1 cites·6 claims
- 0957US8907636B2Method and device for primary frequency regulation based on bang-bang controlSTATE GRID CORP CHINA·Filed 2013·Granted Dec 9, 2014·2 cites·14 claims
- 1056US10707674B2Direct current circuit breaker and its implementationSTATE GRID CORP CHINA·Filed 2013·Granted Jul 7, 2020·1 cites·11 claims
- 1153US9825580B2Method for constructing real-time solar irradiation metering network of gigawatts level photovoltaic power generation baseSTATE GRID CORP CHINA·Filed 2014·Granted Nov 21, 2017·0 cites·8 claims
- 1251US12484184B2High-voltage bushing and high-voltage power transmission systemSTATE GRID CORP CHINA·Filed 2022·Granted Nov 25, 2025·0 cites·17 claims
- 1350US12094191B2Monitoring system and method based on digital converter stationSTATE GRID CORP CHINA·Filed 2024·Granted Sep 17, 2024·0 cites·20 claims
- 1450US11791068B2Post insulator and direct current power transmission deviceSTATE GRID CORP CHINA·Filed 2020·Granted Oct 17, 2023·0 cites·16 claims
- 1549US9615270B2Intelligent power utilization communication product detecting systemSTATE GRID CORP CHINA·Filed 2013·Granted Apr 4, 2017·1 cites·13 claims
- 1649US9328719B2Method of calculating available output power of wind farmSTATE GRID CORP CHINA·Filed 2014·Granted May 3, 2016·0 cites·13 claims
- 1748US12184775B2Method and device employing smart contract to realize identity-based key managementSTATE GRID CORP CHINA·Filed 2019·Granted Dec 31, 2024·0 cites·15 claims
- 1848US2016169205A1Method for constructing wind power connection system model based on measured dataSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 1947US10738003B2Process and device for preparing environmentally-friendly insulating gas perfluoroalkylnitrileSTATE GRID CORP CHINA·Filed 2018·Granted Aug 11, 2020·0 cites·8 claims
- 2046US2016160839A1Method for controlling inertia response of variable-speed wind turbine generatorSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 2146US2016169202A1Short-term operation optimization method of electric power system including large-scale wind powerSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 2245US10107838B2Online monitoring circuit and method of the series compensation spark gap divider return circuitSTATE GRID CORP CHINA·Filed 2013·Granted Oct 23, 2018·0 cites·11 claims
- 2345US9882385B2System for starting large-scale power load in micro-gridSTATE GRID CORP CHINA·Filed 2014·Granted Jan 30, 2018·0 cites·16 claims
- 2445US9523628B2Method and apparatus for determining separation efficiency of cyclone separatorSTATE GRID CORP CHINA·Filed 2013·Granted Dec 20, 2016·0 cites·12 claims
- 2544US9798310B2Method for searching cross-regional power supply area based on CIM model and system thereofSTATE GRID CORP CHINA·Filed 2014·Granted Oct 24, 2017·0 cites·6 claims
- 2643US9257039B2Method for detecting time synchronization ability of real-time measuring device based on time variableSTATE GRID CORP CHINA·Filed 2012·Granted Feb 9, 2016·0 cites·3 claims
- 2742US2016092622A1Method for modeling medium and long term wind power output model of medium and long term optimal operationof power systemSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 2841US9753079B2Testing device for propagation characteristic of electromagnetic wave in gas insulated switchgear and testing method thereforSTATE GRID CORP CHINA·Filed 2013·Granted Sep 5, 2017·0 cites·8 claims
- 2941US2016012150A1System and method for main distribution network graph/model/data integration based on remote access and information interactionSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 3041US2015355215A1Approach to assess available wind resource distribution based on interpolation methodSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 3140US2013278213A1Integrated battery dispatching system with centralized charging and centralized allocationSTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 3240US2013326388A1Power grid visualization system and method based on three-dimensional gis technologySTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 3339US2016154061A1Method of assessing risk of power system with high penetration of wind powerSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 3439US2015039228A1Ultra-short-term forecasting method including real-time monitoring of the effect of upper and lower coursesSTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 3538US9882370B2Service restoration method for multi-faults in distribution networkSTATE GRID CORP CHINA·Filed 2014·Granted Jan 30, 2018·0 cites·6 claims
- 3637US12164554B2Document classification method and apparatus, and electronic deviceSTATE GRID CORP CHINA·Filed 2022·Granted Dec 10, 2024·0 cites·14 claims
- 3737US9841453B2Mechanical self-resetting short-circuit fault indicatorSTATE GRID CORP CHINA·Filed 2015·Granted Dec 12, 2017·0 cites·5 claims
- 3837US2014156603A1Method and an apparatus for splitting and recovering data in a power systemSTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 3937US2016011247A1Metering circuit apparatus and method for implementing meteringSTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 4037US2016188753A1Power Grid Development Stage Division Method Based on Logistic ModelSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 4136US11615908B2Flow-guiding rod, bushing and converter transformer systemSTATE GRID CORP CHINA·Filed 2018·Granted Mar 28, 2023·0 cites·9 claims
- 4236US2017176387A1Device and method for calculating trapping parameters by measuring short-circuit current decay under reverse bias voltageSTATE GRID CORP CHINA·Filed 2017·Application pending·0 cites
- 4336US2016094033A1Svc compensation strategy optimization methodSTATE GRID CORP CHINA·Filed 2014·Application pending·0 cites
- 4436US2016025071A1Method of computing theoretical power of wind farm based on sample wind turbine methodSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 4533US10096980B2Electric vehicle for routing inspection of power transmission linesSTATE GRID CORP CHINA·Filed 2015·Granted Oct 9, 2018·0 cites·8 claims
- 4633US2015185270A1Method for recognizing transformer partial discharge pattern based on singular value decomposition algorithmSTATE GRID CORP CHINA·Filed 2013·Application pending·0 cites
- 4733US2017336461A1Internal transformer composite-defect fuzzy diagnostic method based on gas dissolved in oilSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 4833US2015302313A1Method of predicating ultra-short-term wind power based on self-learning composite data sourceSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 4933US2015241598A1Method of dividing irradiance regions based on rotated empirical orthogonal functionSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
- 5033US2016025070A1Method for calculating theoretical power of a wind farm based on extrapolation of anemometer tower dataSTATE GRID CORP CHINA·Filed 2015·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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