Patents by Inventor Lei Tao
Lei Tao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250210996Abstract: Disclosed in the present application are a power grid real-time scheduling optimization method and system, a computer device and a storage medium. The method comprises: acquiring power grid model parameters and power grid operation data; and according to the power grid model parameters and the power grid operation data, obtaining a power grid real-time scheduling adjustment strategy by means of a preset power grid real-time scheduling reinforcement learning training model. Massive operation data of a power grid and load flow calculation simulation technologies can be fused by means of reinforcement learning, and unlike a conventional algorithm, a complex and difficult-to-solve calculation model does not need to be established, so that rapid optimization adjustment of power grid real-time scheduling is achieved, the optimization adjustment cost is reduced, and the matching degree of power grid real-time scheduling and actual operation is improved.Type: ApplicationFiled: July 19, 2023Publication date: June 26, 2025Inventors: Nan YANG, Yupeng HUANG, Lixin LI, Jinbo LIU, Yijun YU, Xuri SONG, Yadi LUO, Li LI, Xiaolin QI, Yi HAN, Chengjian QIU, Fengbin ZHANG, Xingwei LIU, Lei TAO, Fangchun DI, Sheng LIU, Deyue MEN, Zechen WEI
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Publication number: 20240379936Abstract: Degraded electrode material from a used battery can be recycled by subjecting to a thermal shock. The degraded electrode material can have impurities resulting from charge/discharge cycling of the battery. The thermal shock can have a temperature of at least 1000 K for a time period of 10 seconds or less, for example, less than or equal to 1 second. The thermal shock can also include a heating rate of at least 103 K/second preceding the time period and a cooling rate of at least 103 K/second following the time period. The subjecting to the thermal shock regenerate the electrode material, for example, by removing impurities from the electrode material and/or replenishing metal ions within the electrode material.Type: ApplicationFiled: May 10, 2024Publication date: November 14, 2024Inventors: Liangbing HU, Xizheng WANG, Tangyuan LI, Feng LIN, Lei TAO
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Publication number: 20240310861Abstract: A method, an apparatus and a system for automatically adjusting an opening degree of a fluid control valve, relating to the technical field of oil and gas exploration and development. The method includes: establishing a fluid control valve having an orifice structure in oil and gas production; using a numerical simulation method to obtain the influence law of minimum opening degree adjustment step on oil and gas production; obtaining relevant production test data of the oil and gas well, and calculating the total oil and gas production and the oil and gas production of each production layer based on the production test data of the oil and gas well; dividing the production layer segments into high, middle and low-production layers according to the production ratio of each production layer segment; respectively calculating the average productions of the high, middle and low-production layers.Type: ApplicationFiled: January 19, 2024Publication date: September 19, 2024Inventors: Jianguo ZHAO, Penghui LIANG, Qingyou LIU, Guorong WANG, Haotian ZHENG, Hanxiu PENG, Min WAN, Gang HU, Xu LUO, Yingju PEI, Xingming WANG, Xianwei DAI, Xuanhe TANG, Lei TAO
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Publication number: 20240143391Abstract: The present application discloses a dispatching and control cloud data processing method, device and system. The method includes the following operations: pilot node device acquires a global scheduling task, decomposes the global scheduling task to obtain scheduling tasks, issues the scheduling tasks to collaborative node device, acquires data collection ranges and data processing rules of the collaborative node devices, and delivers them to the collaborative node devices; the collaborative node devices receive and execute the scheduling tasks issued by the pilot node device; receives the data collection ranges and the data processing rules issued by the pilot node device, acquires, based on the scheduling tasks, collected data in the data collection ranges, processes the acquired collected data according to the data processing rules to obtain the processed data, uploads the processed data to the pilot node device; the pilot node device receives the processed data uploaded by the collaborative node devices.Type: ApplicationFiled: August 12, 2021Publication date: May 2, 2024Inventors: Dapeng LI, Lixin LI, Qingbo YANG, Lei TAO, Yunhao HUANG, Fangchun DI, Xuri SONG, Xiaolin QI, Nan YANG, Can CUI, Wenyue XIA, Ruili YE, Shuzhou WU, Lin XIE, Zhoujie ZHANG
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Patent number: 11953434Abstract: Disclosed is a spectroscopic device, system, and method for measuring the concentration of one or more molecular species of interest in a gas, liquid or solid sample, where the device may be portable, may be commercially manufactured, and/or may be adapted to existing systems and/or integrated with new systems to provide optical gas sensing for such systems. The disclosed devices, systems, and methods can be particularly useful in monitoring the purity of, e.g., a certain gas species, including determining whether a gas mixture contains certain gas species above a set concentration limit.Type: GrantFiled: February 21, 2020Date of Patent: April 9, 2024Assignees: SHELL OIL COMPNY, THE TRUSTEES OF PRINCETON UNIVERSITYInventors: Mark Zondlo, Lei Tao, Da Pan, Josh Collins, Paul Guiguizian, Howard Y. Bell, Alice Margaret Sophie Elliott, Patrick Minter Killough, Bernardus Maria Geertshuis, Herie Javier Soto
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Patent number: 11898956Abstract: Disclosed is a spectroscopic device, system, and method for measuring the concentration of one or more molecular species of interest in a gas, liquid or solid sample, where the device may be portable, may be commercially manufactured, and/or may be adapted to existing systems and/or integrated with new systems to provide optical gas sensing for such systems. The disclosed devices, systems, and methods can be particularly useful in monitoring the purity of, e.g., a certain gas species, including determining whether a gas mixture contains certain gas species above a set concentration limit.Type: GrantFiled: February 21, 2020Date of Patent: February 13, 2024Assignees: SHELL OIL COMPNY, THE TRUSTEES OF PRINCETON UNIVERSITYInventors: Mark Zondlo, Lei Tao, Da Pan, Josh Collins, Paul Guiguizian, Howard Y. Bell, Alice Margaret Sophie Elliott, Patrick Minter Killough, Bernardus Maria Geertshuis, Herie Javier Soto
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Publication number: 20220187203Abstract: Disclosed is a spectroscopic device, system, and method for measuring the concentration of one or more molecular species of interest in a gas, liquid or solid sample, where the device may be portable, may be commercially manufactured, and/or may be adapted to existing systems and/or integrated with new systems to provide optical gas sensing for such systems. The disclosed devices, systems, and methods can be particularly useful in monitoring the purity of, e.g., a certain gas species, including determining whether a gas mixture contains certain gas species above a set concentration limit.Type: ApplicationFiled: February 21, 2020Publication date: June 16, 2022Applicant: The Trustees of Princeton UniversityInventors: Mark ZONDLO, Lei TAO, Da PAN, Josh COLLINS, Howard Y. Bell, Alice Margaret Sophie ELLIOTT, Patrick Minter KILLOUGH, Bernardus Maria GEERTSHUIS, Herie Javier SOTO
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Patent number: 11293076Abstract: The present invention discloses a method for preparing iron ore concentrates by recycling copper smelting slag tailings, and belongs to the technical field of metallurgy and tailings recycling. In the present invention, copper slag tailings obtained after copper pyrometallurgy and flotation and water are used as raw materials, and low-concentration sulfur dioxide flue gas is used as a leaching agent for leaching of metals such as iron, zinc, copper, arsenic, and silicon in the slag tailings; the leachate is purified step by step through processes such as replacement by metal iron powder and sulfide precipitation control, to separate zinc, copper, arsenic, etc.; a purified solution is mainly composed of FeSO4 or can be used for producing a ferric salt flocculant; obtained tailings are used to obtain iron ore concentrates through magnetic separation, and the obtained iron ore concentrates can be used for further producing ultra-pure iron ore concentrates.Type: GrantFiled: March 18, 2020Date of Patent: April 5, 2022Assignee: Kunming University of Science and TechnologyInventors: Ping Ning, Xueqian Wang, Lei Tao, Langlang Wang
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Patent number: 11202929Abstract: A fire engine including a vehicle frame, a liquid nitrogen storage tank, a liquid nitrogen conveying pipeline, a gasification device, a plurality of electric valves, a water pipe adapter, a liquid nitrogen spray gun, and a mixed spray gun. The liquid nitrogen conveying pipeline includes a first pipeline and a second pipeline. The first pipeline connects the lower part of the liquid nitrogen storage tank, the gasification device, and the upper part of the liquid nitrogen storage tank sequentially in that order. The second pipeline connects the liquid nitrogen storage tank, an input end of the liquid nitrogen spray gun, and a first input end of the mixed spray gun. The mixed spray gun includes a first input end, a second input end, a liquid nitrogen nozzle, and a spray pipe. The spray pipe includes a contraction section, an expansion section, and an acceleration section.Type: GrantFiled: July 25, 2019Date of Patent: December 21, 2021Assignee: SHANDONG HONGDA TECHNOLOGY GROUP CO., LTD.Inventors: Deli Zhang, Yongxing Ji, Liang Zhang, Zhankun Xie, Lei Tao, He Yang, Shengyang Duan
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Patent number: 11176028Abstract: A standard conformance testing system and method for a CIM/E model of a power system and a storage medium include: converting the standards “Power Grid Common Model Description Specification (GB/T 30149)” and “Power Grid Operating Model Data Exchange Specification (DL/T 1380)” into practically operable testing rules, and performing automatic generation and verification of a CIM/E standard model and defect model. The testing system and method can improve the comprehensiveness and standardization of a CIM/E model standard compliance test, improving testing efficiency, promoting the level of standardization according to the CIM/E model in a power system software development process, and real time data exchange and interoperation between respective application systems, effectively supporting the safe and stable operation of a power grid.Type: GrantFiled: July 4, 2016Date of Patent: November 16, 2021Assignees: CHINA ELECTRIC POWER RESEARCH INSTITUTE COMPANY LIMITED, STATE GRID CORPORATION OF CHINAInventors: Linpeng Zhang, Yujia Li, Qingbo Yang, Lixin Li, Fangchun Di, Yunhao Huang, Dapeng Li, Lei Tao, Yangchun Hao, Zhenyu Chen
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Patent number: 10862422Abstract: A wire connection terminal for a photovoltaic string is provided. The wire connection terminal includes: a terminal connector, a fuse and a printed circuit board (PCB). The terminal connector is connected to a positive electrode or a negative electrode of the photovoltaic string. The fuse is configured to prevent the photovoltaic string from outputting an excessive current. The PCB is configured to sample an output current and an output voltage of the photovoltaic string, communicate with an inverter, and control the photovoltaic string to disconnect from a direct current bus and output abnormal data for display when the output current and/or the output voltage of the photovoltaic string is abnormal or a system failure occurs.Type: GrantFiled: February 27, 2018Date of Patent: December 8, 2020Assignee: SUNGROW POWER SUPPLY CO., LTD.Inventors: Lei Tao, Nianan Pan, Zhiqiang Han, Ai Wang
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Publication number: 20200332390Abstract: The present invention discloses a method for preparing iron ore concentrates by recycling copper smelting slag tailings, and belongs to the technical field of metallurgy and tailings recycling. In the present invention, copper slag tailings obtained after copper pyrometallurgy and flotation and water are used as raw materials, and low-concentration sulfur dioxide flue gas is used as a leaching agent for leaching of metals such as iron, zinc, copper, arsenic, and silicon in the slag tailings; the leachate is purified step by step through processes such as replacement by metal iron powder and sulfide precipitation control, to separate zinc, copper, arsenic, etc.; a purified solution is mainly composed of FeSO4 or can be used for producing a ferric salt flocculant; obtained tailings are used to obtain iron ore concentrates through magnetic separation, and the obtained iron ore concentrates can be used for further producing ultra-pure iron ore concentrates.Type: ApplicationFiled: March 18, 2020Publication date: October 22, 2020Inventors: Ping NING, Xueqian WANG, Lei TAO, Langlang WANG
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Publication number: 20190381345Abstract: A fire engine including a vehicle frame, a liquid nitrogen storage tank, a liquid nitrogen conveying pipeline, a gasification device, a plurality of electric valves, a water pipe adapter, a liquid nitrogen spray gun, and a mixed spray gun. The liquid nitrogen conveying pipeline includes a first pipeline and a second pipeline. The first pipeline connects the lower part of the liquid nitrogen storage tank, the gasification device, and the upper part of the liquid nitrogen storage tank sequentially in that order. The second pipeline connects the liquid nitrogen storage tank, an input end of the liquid nitrogen spray gun, and a first input end of the mixed spray gun. The mixed spray gun includes a first input end, a second input end, a liquid nitrogen nozzle, and a spray pipe. The spray pipe includes a contraction section, an expansion section, and an acceleration section.Type: ApplicationFiled: July 25, 2019Publication date: December 19, 2019Inventors: Deli ZHANG, Yongxing JI, Liang ZHANG, Zhankun XIE, Lei TAO, He YANG, Shengyang DUAN
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Patent number: 10442904Abstract: A method for preparing a chitosan complex film comprises: (1) reacting polyvinyl alcohol-124 with butanedioic anhydride to obtain a modified polyvinyl alcohol; (2) formulating the modified polyvinyl alcohol-124 into a 0.4 wt % aqueous solution, then adding the aqueous solution containing 0.4 wt % of modified polyvinyl alcohol-124 dropwise into an acetic acid solution at a concentration of 0.4 wt % chitosan to obtain a mixed solution; (3) adjusting the pH value of the mixed solution with a 0.01 wt % NaOH solution to pH 5.5, and removing surface bubbles after standing for one hour to obtain a casting solution; (4) pouring the casting solution into a culture dish, placing the culture dish into an oven at 60° C. and drying to a constant weight to obtain the chitosan complex film. The materials used in the method are inexpensive, and the reaction is not complicated, so the cost of the product is not high.Type: GrantFiled: May 27, 2015Date of Patent: October 15, 2019Assignee: JIANGNAN UNIVERSITYInventors: Caihua Ni, Lei Tao, Liping Zhang
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Publication number: 20180307594Abstract: A standard conformance testing system and method for a CIM/E model of a power system and a storage medium include: converting the standards “Power Grid Common Model Description Specification (GB/T 30149)” and “Power Grid Operating Model Data Exchange Specification (DL/T 1380)” into practically operable testing rules, and performing automatic generation and verification of a CIM/E standard model and defect model. The testing system and method can improve the comprehensiveness and standardization of a CIM/E model standard compliance test, improving testing efficiency, promoting the level of standardization according to the CIM/E model in a power system software development process, and real time data exchange and interoperation between respective application systems, effectively supporting the safe and stable operation of a power grid.Type: ApplicationFiled: July 4, 2016Publication date: October 25, 2018Applicants: CHINA ELECTRIC POWER RESEARCH INSTITUTE COMPANY LIMITED, STATE GRID CORPORATION OF CHINAInventors: Linpeng Zhang, Yujia Li, Qingbo Yang, Lixin Li, Fangchun Di, Yunhao Huang, Dapeng Li, Lei Tao, Yangchun Hao, Zhenyu Chen
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Patent number: 10103544Abstract: Disclosed are a medium and high voltage grid-connected power generation system, a medium and high voltage grid-connected system, and a control circuitry thereof. The voltage of the medium and high voltage power grid is collected through the control circuitry. A power grid amplitude and a power grid phase synchronization signal are obtained, and then sent to an inverter unit through a communication line.Type: GrantFiled: January 25, 2017Date of Patent: October 16, 2018Assignee: SUNGROW POWER SUPPLY CO., LTD.Inventors: Lin Cheng, Nianan Pan, Lei Tao, Longlin Sun
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Publication number: 20180287556Abstract: A wire connection terminal for a photovoltaic string is provided. The wire connection terminal includes: a terminal connector, a fuse and a printed circuit board (PCB). The terminal connector is connected to a positive electrode or a negative electrode of the photovoltaic string. The fuse is configured to prevent the photovoltaic string from outputting an excessive current. The PCB is configured to sample an output current and an output voltage of the photovoltaic string, communicate with an inverter, and control the photovoltaic string to disconnect from a direct current bus and output abnormal data for display when the output current and/or the output voltage of the photovoltaic string is abnormal or a system failure occurs.Type: ApplicationFiled: February 27, 2018Publication date: October 4, 2018Inventors: Lei TAO, Nianan PAN, Zhiqiang HAN, Ai WANG
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Patent number: 10044291Abstract: A method and device for modulating a five-level inverter, and a photovoltaic system are provided. The method includes: acquiring a voltage command value Vcmd of a phase bridge; controlling a first and a fourth switching devices to be switched on alternately when Vcmd?V1Pos+Vthrs1; controlling the first and a third switching devices to be switched on alternately when V1Pos?Vthrs2?Vcmd<V1Pos+Vthrs1; controlling the fourth and the third switching devices to be switched on alternately when 0?Vcmd<V1Pos?Vthrs2; controlling the third and a fifth switching devices to be switched on alternately when ?V1Neg+Vthrs3?Vcmd<0; controlling the third and a second switching devices to be switched on alternately when ?V1Neg?Vthrs4?Vcmd<?V1Neg+Vthrs3; controlling the fifth and the second switching devices to be switched on alternately when Vcmd<?V1Neg?Vthrs4.Type: GrantFiled: November 11, 2015Date of Patent: August 7, 2018Assignee: SUNGROW POWER SUPPLY CO., LTD.Inventors: Jie Ding, Haiyan Zou, Lei Tao, Taotao Xu, Cheng Zhang
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Patent number: 10027125Abstract: A control method and apparatus for photovoltaic inverters connected in parallel at an AC side are provided and the method includes the following steps: detecting a first direct voltage of the first inverter and a second direct voltage of the second inverter; obtaining a difference between the first direct voltage and the second direct voltage; and adjusting the direct voltages of the inverters to control the difference to be within a predetermined range and control a common-mode voltage in the common-mode loop to be within a predetermined common-mode voltage range.Type: GrantFiled: December 15, 2015Date of Patent: July 17, 2018Assignee: SUNGROW POWER SUPPLY CO., LTD.Inventors: Nianan Pan, Lin Cheng, Lei Tao
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Patent number: 10003198Abstract: A method and device for monitoring and suppressing a resonance are provided, which are applied to a grid-connected generation system. A current sample voltage of a preset sample point of the grid-connected generation system is monitored in a real time manner; amplitudes of harmonics of the current sample voltage are acquired using a preset algorithm; it is verified whether a resonance occurs in the grid-connected generation system currently based on the acquired amplitudes of the harmonics; in a case that the resonance occurs in the grid-connected generation system, current corrections of parameters of inverters in the grid-connected generation system are acquired according to a preset rule and the parameters of the inverters are adjusted using the current corrections and a selected resonance suppressing algorithm.Type: GrantFiled: September 10, 2015Date of Patent: June 19, 2018Assignee: SUNGROW POWER SUPPLY CO., LTD.Inventors: Nianan Pan, Lin Cheng, Lei Tao