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31.发明授权公开(公告)号：US11954409B2
公开(公告)日：2024-04-09
申请号：US17366199
申请日：2021-07-02
Applicant: Tsinghua University
Inventor： Wenchuan Wu , Boming Zhang , Zihao Li , Hongbin Sun , Bin Wang , Qinglai Guo
IPC: G06F30/18 , G06F111/04 , G06F113/04 , G06F119/02 , G06Q10/0631 , G06Q50/06 , H02J3/00 , G06F111/06 , G06Q50/08
CPC classification number: G06F30/18 , G06Q10/06313 , G06Q50/06 , H02J3/00125 , G06F2111/04 , G06F2111/06 , G06F2113/04 , G06F2119/02 , G06Q50/08 , H02J2203/20 , Y02E60/00 , Y04S40/20
Abstract: The present disclosure provides a method for planning a distribution network with reliability constraints based on a feeder corridor, including determining installation states of respective elements in the distribution network; determining an objective function, the objective function being an objective function of minimizing a total investment cost of the distribution network; obtaining fault-isolation-and-load-transfer time and fault recovery time in a case where the feeder segment of each feeder line that is contained in each feeder corridor fails; determining constraint conditions including reliability constraints; building a distribution network planning model according to the objective function and the constraints; and solving the distribution network planning model built to obtain optimal solutions as planning states and reliability indexes to plan the distribution network.
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公开(公告)号：US11774624B2
公开(公告)日：2023-10-03
申请号：US17000238
申请日：2020-08-21
Inventor： Xiao-Ping Zheng , Zhen-Yuan Sun , Hua Geng , Xiao-Jiao Deng , Bin Wang
IPC: G01V3/38 , G01V3/12 , F41H11/136
CPC classification number: G01V3/38 , F41H11/136 , G01V3/12
Abstract: A method for discovering an unexploded ordnance in a target area includes: acquiring first feedback signals respectively corresponding to detection regions, the first feedback signals being first induced electromotive force signals; judging whether there is any abnormal signal in the first feedback signals, if there is the abnormal signal, determining the detection region corresponding to the abnormal signal is an abnormal region; acquiring second feedback signals respectively corresponding to detection sites in the abnormal region, the second feedback signals being magnetic field gradient signals; acquiring third feedback signals respectively corresponding to the detection sites, the third feedback signals being second induced electromotive force signals; acquiring location information of the detection sites; obtaining a feature spatial distribution map of the abnormal region; and judging whether there is any unexploded ordnance in the abnormal region according to the feature spatial distribution map.
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公开(公告)号：US11768058B2
公开(公告)日：2023-09-26
申请号：US17000263
申请日：2020-08-21
Inventor： Xiao-Ping Zheng , Zhen-Yuan Sun , Hua Geng , Xiao-Jiao Deng , Bin Wang
IPC: F41H11/136 , G01V3/10
CPC classification number: F41H11/136 , G01V3/10
Abstract: A detection method for discovering an unexploded ordnance includes: surrounding a detection region with a transmitting coil and surrounding a detection site with a second receiving coil; conducting the transmitting coil with a second electric current; respectively acquiring a plurality of second feedback signals at a plurality of second feedback time points; partitioning the transmitting coil into a plurality of dipoles, and acquiring a plurality of distance values r respectively between the plurality of dipoles and the detection site; respectively calculating feedback depths according to feedback time periods; respectively calculating apparent resistivity values corresponding to the feedback depths; obtaining an apparent resistivity distribution in depth at the detection site according to the apparent resistivity values and the feedback depths; and judging whether there is any unexploded ordnance at the detection site according to the apparent resistivity distribution in depth.
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公开(公告)号：US11372125B2
公开(公告)日：2022-06-28
申请号：US16847659
申请日：2020-04-14
Inventor： Xiao-Ping Zheng , Zhen-Yuan Sun , Bin Wang , Hua Geng , Xiao-Jiao Deng
Abstract: An amphibious portable magnetism detector includes a first housing, a first wiring tube, a first magnetic field sensor, and a central control device. The first housing defines a first inner space and a first through hole in communication with the first inner space. The first wiring tube is connected to the first housing with a first leak-tight seal formed between them, and in communication with the first inner space via the first through hole. The first magnetic field sensor is disposed in the first inner space and configured to detect a magnetic field at a target area and generate a first detection signal. The central control device is electrically connected to the first magnetic field sensor and configured to receive the first detection signal and output a first magnetic field value according to the first detection signal.
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公开(公告)号：US11239658B2
公开(公告)日：2022-02-01
申请号：US16736313
申请日：2020-01-07
Applicant: Tsinghua University
Inventor： Wenchuan Wu , Bin Wang , Chenhui Lin , Boming Zhang , Hongbin Sun , Qinglai Guo
Abstract: The present disclosure provides a dispatching method and a dispatching device for an integrated transmission and distribution network. The integrated transmission and distribution network include a transmission network and at least one distribution network. The method includes: establishing a dispatch model of the integrated transmission and distribution network; solving the dispatch model to obtain dynamic dispatch parameters for the integrated transmission and distribution network, in which the dynamic dispatch parameters comprise a boundary transferred power from the transmission network to each of the at least one distribution network, and power outputs of all generators in the transmission network and each of the at least one distribution network; and dispatching the integrated transmission and distribution network based on the boundary transferred power and the power outputs of all the generators in the transmission network and each of the at least one distribution network.
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Patent Agency Ranking
36.发明授权公开(公告)号：US11204590B2
公开(公告)日：2021-12-21
申请号：US16844356
申请日：2020-04-09
Applicant: Tsinghua University
Inventor： Hongbin Sun , Qinglai Guo , Bin Wang , Tongtian Sheng , Boming Zhang , Wenchuan Wu , Mingye Zhang , Jinni Dong
Abstract: A state estimation method for a heat supply network in a steady state based on a bilateral equivalent model is provided. The method includes: establishing the bilateral equivalent model based on a mass flow rate in each supply branch of the heating network, a mass flow rate in each return branch of the heating network, a mass flow rate in each connecting branch of the heating network, a pressure and a temperature of each node in the heating network, wherein each heat source is configured as a connecting branch and each heat load is configured as a connecting branch; and repeatedly performing a state estimation on the heating network based on the bilateral equivalent model, until a coverage state estimation result is acquired.
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公开(公告)号：US10361561B2
公开(公告)日：2019-07-23
申请号：US15803829
申请日：2017-11-05
Applicant: Tsinghua University
Inventor： Wenchuan Wu , Boming Zhang , Hongbin Sun , Chenhui Lin , Qinglai Guo , Bin Wang
Abstract: The present disclosure provides a dispatching method and a dispatching device for an integrated transmission and distribution network. The integrated transmission and distribution network includes a transmission network and at least one distribution network. The method includes: establishing a dispatch model of the integrated transmission and distribution network, in which dispatch model includes an objective function and constraints, the objective function is a minimizing function of a total generation cost of the transmission network and the at least one distribution network under the constraints; solving the dispatch model to obtain dynamic dispatch parameters for the integrated transmission and distribution network; and dispatching the integrated transmission and distribution network according to the dynamic dispatch parameters.
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公开(公告)号：US09164499B2
公开(公告)日：2015-10-20
申请号：US13914270
申请日：2013-06-10
Applicant: Tsinghua University
Inventor： Hongbin Sun , Qinglai Guo , Boming Zhang , Wenchuan Wu , Bin Wang , Mingye Zhang
CPC classification number: G05B15/02 , G06F2217/78 , H02J3/005 , H02J3/06 , H02J3/12 , H02J2003/001 , H02J2003/007 , Y02E40/76 , Y02E60/76 , Y04S10/525 , Y04S10/545 , Y04S40/22
Abstract: A static security constrained automatic voltage control method is provided, which includes: performing a single automatic voltage control calculation for a control snapshot of a power system in each control cycle. The single automatic voltage control calculation comprises: obtaining a single-time severe contingency sequencing table and a periodical severe contingency sequencing table from a historical severe contingency information database, and selecting severe contingencies; performing a contingency assessment for the active contingency set, and iterating between a result of the contingency assessment for the active contingency set and a solution of the optimal power flow model to obtain a single automatic voltage control instruction; and performing a contingency assessment for a contingency set, and updating the single-time severe contingency sequencing table and the periodical severe contingency sequencing table according to a comprehensive result of the contingency assessment.
Abstract translation: 提供了一种静态安全约束的自动电压控制方法，其中包括：在每个控制周期内对电力系统的控制快照进行单次自动电压控制计算。 单次自动电压控制计算包括：从历史严重应急信息数据库获取单次严重应急排序表和周期性严重应急排序表，选择严重意外事件; 对主动应急集合进行应急评估，并对活动应急集合的应急评估结果与最优潮流模型求解获得单个自动电压控制指令之间的迭代; 并对应急组合进行应急评估，根据应急评估的综合结果更新单次严重应急排序表和周期性严重应急排序表。
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公开(公告)号：US12136817B2
公开(公告)日：2024-11-05
申请号：US17446642
申请日：2021-09-01
Applicant: TSINGHUA UNIVERSITY
Inventor： Wenchuan Wu , Siyuan Wang , Hongbin Sun , Bin Wang , Qinglai Guo
Abstract: The present invention relates to a method of assessing dynamic flexibility for a virtual power plant, which belongs to the technical field of operating and controlling a power system. The method equals a virtual power plant to an equivalent energy storage device and an equivalent generator and decouples a network constraint condition between the two types of devices through a Robust optimization method. Subsequently, by using a two-stage Robust optimization algorithm, parameters of the equivalent energy storage device and the equivalent generator are calculated and finally accurate depiction is realized on adjusting ability of a distributed resource, so as to provide a scientific decision basis for the virtual power plant to participate in grid control, such that it has a great value in an actual application.
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40.发明授权公开(公告)号：US11768309B2
公开(公告)日：2023-09-26
申请号：US16845037
申请日：2020-04-09
Inventor： Xiao-Ping Zheng , Zhen-Yuan Sun , Hua Geng , Xiao-Jiao Deng , Bin Wang , Guo-Min Zuo
Abstract: A magnetism detection apparatus includes a detection device, at least one first locating device, and a central control device. The detection device includes an array of detection assemblies arranged in a same plane. The array of detection assemblies is configured to detect magnetic fields and output magnetic field signals corresponding to locations of the detection assemblies. The at least one first locating device is disposed on one of the detection assemblies to locate this detection assembly and output a first coordinate signal corresponding to this detection assembly. The central control device is communicatively and respectively connected to each of the detection assemblies and the at least one first locating device, and configured to process the magnetic field signals and the first coordinate signal.
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