Patents by Inventor Xinrui Liu
Xinrui Liu 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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Patent number: 11827901Abstract: Use of Cistanche deserticola polysaccharide (CDP) in promoting the proliferation and differentiation of female germline stem cells (FGSCs) is provided. Specifically, the addition of CDP in an in vitro cultivation system can promote the proliferation and differentiation of FGSCs, and especially can enhance the in vitro directed differentiation of FGSCs into oocytes, which provides a new research reference for studying the generation of oocytes in vivo and in vitro and also brings a new hope for research on physiological infertility.Type: GrantFiled: March 25, 2021Date of Patent: November 28, 2023Assignee: Ningxia Medical UniversityInventors: Xiuying Pei, Xiaoli Yu, Yikai Qiu, Ji Wu, Jianqiang Yu, Yanrong Wang, Xinrui Liu, Jing Pu
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Publication number: 20210371814Abstract: Use of Cistanche deserticola polysaccharide (CDP) in promoting the proliferation and differentiation of female germline stem cells (FGSCs) is provided. Specifically, the addition of CDP in an in vitro cultivation system can promote the proliferation and differentiation of FGSCs, and especially can enhance the in vitro directed differentiation of FGSCs into oocytes, which provides a new research reference for studying the generation of oocytes in vivo and in vitro and also brings a new hope for research on physiological infertility.Type: ApplicationFiled: March 25, 2021Publication date: December 2, 2021Applicant: Ningxia Medical UniversityInventors: Xiuying PEI, Xiaoli YU, Yikai QIU, Ji WU, Jianqiang YU, Yanrong WANG, Xinrui LIU, Jing PU
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Patent number: 10935581Abstract: The invention provides an electric grid state estimation system and method based on a boundary fusion. The system includes an electric grid data acquisition module, a communication module including a local data unit and a state estimation unit, and a data fusion module, wherein the state estimation unit includes a memory storing a state estimation program and a display displaying a program running and outputting a state variable; the state estimation program is performed to realize an electric grid state estimation; the estimation method includes the following steps of dividing a regional electric grid, then establishing a measurement equation for each region, solving an internal quantity and a boundary quantity, fusing the boundary quantities of two regions, correcting the boundary quantity, performing a non-linear transformation on the intermediate variable, solving the estimated values of the state variable by the least square method, and performing outputting.Type: GrantFiled: September 4, 2018Date of Patent: March 2, 2021Assignee: NORTHEASTERN UNIVERSITYInventors: Huaguang Zhang, Jun Yang, Jie Bai, Gang Wang, Qiuye Sun, Xinrui Liu, Yingchun Wang, Dongsheng Yang, Zhiliang Wang, Bonan Huang, Zhanshan Wang, Yanhong Luo
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Reactive power optimization system and method of power grid based on the double-fish-swarm algorithm
Patent number: 10439398Abstract: The invention provides a reactive power optimization system and a method of a power grid based on a double-fish-swarm algorithm. The system includes a power grid state data acquiring module, a reactive power regulating module and a reactive power executing module. The power grid state data acquiring module includes a power grid state data acquiring processor and a relay transmitter. The reactive power regulating module is a control terminal. The reactive power executing module includes generator terminal voltage regulators, transformer tap regulators and reactive power compensation regulators. The method is used for acquiring the initial data to be optimized in the current network; and optimizing the initial data to be optimized in the current network based on a double-fish-swarm algorithm so as to obtain optimal value of control variables in the power grid. According to the method, the distribution network to be optimized can realize reasonable reactive power flow distribution.Type: GrantFiled: June 16, 2017Date of Patent: October 8, 2019Assignee: NORTHEASTERN UNIVERSITYInventors: Huaguang Zhang, Jun Yang, Qiuye Sun, Feiye Wu, Xinrui Liu, Dongsheng Yang, Zhiliang Wang, Jian Feng, Bonan Huang, Yanhong Luo, Guotao Hui, Zhenwei Liu -
Publication number: 20190293699Abstract: The invention provides an electric grid state estimation system and method based on a boundary fusion. The system includes an electric grid data acquisition module, a communication module including a local data unit and a state estimation unit, and a data fusion module, wherein the state estimation unit includes a memory storing a state estimation program and a display displaying a program running and outputting a state variable; the state estimation program is performed to realize an electric grid state estimation; the estimation method includes the following steps of dividing a regional electric grid, then establishing a measurement equation for each region, solving an internal quantity and a boundary quantity, fusing the boundary quantities of two regions, correcting the boundary quantity, performing a non-linear transformation on the intermediate variable, solving the estimated values of the state variable by the least square method, and performing outputting.Type: ApplicationFiled: September 4, 2018Publication date: September 26, 2019Inventors: Huaguang ZHANG, Jun YANG, Jie BAI, Gang WANG, Qiuye SUN, Xinrui LIU, Yingchun WANG, Dongsheng YANG, Zhiliang WANG, Bonan HUANG, Zhanshan WANG, Yanhong LUO
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REACTIVE POWER OPTIMIZATION SYSTEM AND METHOD OF POWER GRID BASED ON THE DOUBLE-FISH-SWARM ALGORITHM
Publication number: 20180309294Abstract: The invention provides a reactive power optimization system and a method of a power grid based on a double-fish-swarm algorithm. The system includes a power grid state data acquiring module, a reactive power regulating module and a reactive power executing module. The power grid state data acquiring module includes a power grid state data acquisitor and a relay transmitter. The reactive power regulating module is a control terminal. The reactive power executing module includes generator terminal voltage regulators, transformer tap regulators and reactive power compensation regulators. The method is used for acquiring the initial data to be optimized in the current network; and optimizing the initial data to be optimized in the current network based on a double-fish-swam algorithm so as to obtain optimal value of control variables in the power grid. According to the method, the distribution network to be optimized can realize reasonable reactive power flow distribution.Type: ApplicationFiled: June 16, 2017Publication date: October 25, 2018Applicant: Northeastern UniversityInventors: Huaguang ZHANG, Jun YANG, Qiuye SUN, Feiye WU, Xinrui LIU, Dongsheng YANG, Zhiliang WANG, Jian FENG, Bonan HUANG, Yanhong LUO, Guotao HUI, Zhenwei LIU -
Patent number: 9618914Abstract: The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system includes a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack.Type: GrantFiled: March 25, 2014Date of Patent: April 11, 2017Assignee: Northeastern UniversityInventors: HuaGuang Zhang, QiuYe Sun, Jun Yang, XinRui Liu, ZhiLiang Wang, Fei Teng, Jing Guo, ZhanShan Wang, ZhenWei Liu, YingChun Wang
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Patent number: 9190920Abstract: An H-bridge micro inverter grid-connected device is invented to solve the problem that failure of any photovoltaic panel on the existing solar photovoltaic system cascade can cause efficiency reduction of the whole photovoltaic panel module. The H-bridge micro inverter grid-connected device comprises a single-chip microcomputer controller, a CPLD controller, a MOSFET full-bridge circuit, a high-frequency transformer, a half-bridge rectifying circuit, an SCR full-bridge circuit and a filter circuit, wherein the MOSFET full-bridge circuit is in the full-bridge type, the high-frequency transformer is a single-phase transformer with a central tap, and the SCR full-bridge circuit is applied. The integral structure above is characterized by the decreasing number of components, the reduction of power switches, and the simplification of the control circuits and driving circuits, so as to decrease the number of full-control switch components, improve the system reliability and reduce the system costs.Type: GrantFiled: August 10, 2012Date of Patent: November 17, 2015Assignees: Northeastern UniversityInventors: Huaguang Zhang, Dongsheng Yang, Guangru Zhang, Gang Wang, Le Li, Xinrui Liu, Yingchun Wang, Rijiang Wang, Yang Jiao
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Patent number: 8965747Abstract: An automatic three-phase unbalanced load compensation experimental device includes an automatic compensation device, a load simulation part, and detection, display and control parts. The automatic compensation device includes power capacitors and intelligent grouping compound switches. The detection, display and control part includes a plurality of current transformers, molded case circuit breakers, a three-phase digital display ammeter, a three-phase electric power monitoring instrument, a protocol conversion module, RS-485 buses, Ethernet cables and an upper computer. The load simulation part includes phase A, B and C loads which are in star connection and are same in component and circuit connection, an analog output module and a relay output module. A power monitoring instrument and digital ammeter are connected to the grid by circuit breaker and the plurality of current transformers. The automatic compensation device and load simulation part are connected to the grid in parallel.Type: GrantFiled: May 30, 2012Date of Patent: February 24, 2015Assignees: Northeastern University, Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing GuoInventors: Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing Guo
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Publication number: 20140297051Abstract: The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system comprises a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack.Type: ApplicationFiled: March 25, 2014Publication date: October 2, 2014Applicant: Northeastern UniversityInventors: HuaGuang Zhang, QiuYe Sun, Jun Yang, XinRui Liu, ZhiLiang Wang, Fei Teng, Jing Guo, ZhanShan Wang, ZhenWei Liu, YingChun Wang
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Publication number: 20130242617Abstract: An H-bridge micro inverter grid-connected device is invented to solve the problem that failure of any photovoltaic panel on the existing solar photovoltaic system cascade can cause efficiency reduction of the whole photovoltaic panel module. The H-bridge micro inverter grid-connected device comprises a single-chip microcomputer controller, a CPLD controller, a MOSFET full-bridge circuit, a high-frequency transformer, a half-bridge rectifying circuit, an SCR full-bridge circuit and a filter circuit, wherein the MOSFET full-bridge circuit is in the full-bridge type, the high-frequency transformer is a single-phase transformer with a central tap, and the SCR full-bridge circuit is applied. The integral structure above is characterized by the decreasing number of components, the reduction of power switches, and the simplification of the control circuits and driving circuits, so as to decrease the number of full-control switch components, improve the system reliability and reduce the system costs.Type: ApplicationFiled: August 10, 2012Publication date: September 19, 2013Inventors: Huaguang Zhang, Dongsheng Yang, Guangru Zhang, Gang Wang, Le Li, Xinrui Liu, Yingchun Wang, Rijiang Wang, Yang Jiao
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Publication number: 20130054204Abstract: Disclosed are an automatic three-phase unbalanced load compensation experimental device and its control method. The experimental device comprises an automatic compensation device, a load simulation part, and detection, display and control parts. The automatic compensation device comprises power capacitors and intelligent grouping compound switches; the detection, display and control part comprises current transformers, molded case circuit breakers, a three-phase digital display ammeter, a three-phase electric power monitoring instrument, a protocol conversion module, 485 buses, Ethernet cables and an upper computer; the load simulation part comprises phase A, B and C loads which are in star connection and are same in component and circuit connection, an analog output module and a relay output module. Power monitoring instrument and digital ammeter are connected to the grid by circuit breaker and current transformer.Type: ApplicationFiled: May 30, 2012Publication date: February 28, 2013Applicants: NORTHEASTERN UNIVERSITYInventors: Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing Guo