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公开(公告)号：US12087457B2
公开(公告)日：2024-09-10
申请号：US17570607
申请日：2022-01-07
发明人： Wenxi Tian , Zhixian Lai , Mingjun Wang , Chong Chen , Zhiming Zhu , Jing Zhang , Suizheng Qiu , Guanghui Su
IPC分类号： G21C17/00 , G21C17/022 , G21C17/112
CPC分类号： G21C17/001 , G21C17/022 , G21C17/112
摘要： A multi-loop natural circulation experimental device under six-degree-of-freedom motion conditions and a method therefor are provided. The device includes: a six-degree-of-freedom motion simulation platform; a multi-loop main circulation loop including a serpentine pre-heater, an experimental section, two sleeve-type condensers, and a pressurized circulating pump, a voltage stabilizer and related equipment; and a cooling water system including a sleeve condenser, a plate heat exchanger, a cooling tower, a cooling fan, a cooling water tank and related equipment; and an electric heating system including a DC power supply, a low voltage power controller and a transformer. The present invention also provides an experimental method of the device.
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公开(公告)号：US12050237B2
公开(公告)日：2024-07-30
申请号：US17434324
申请日：2020-02-27
CPC分类号： G01R19/0046 , G01R31/72 , G21C7/14 , G21C17/00
摘要： Disclosed is a diagnostic apparatus structured to be electrically connected with a coil stack of a drive mechanism of a control device of a nuclear reactor. The coil stack has a plurality of coils. The diagnostic apparatus includes a power supply and a controller including a processor and a memory that stores a number of routines including a number of instructions. When executed on the processor the instructions cause the diagnostic apparatus to apply to a coil a voltage that varies as a function of time, detect a current in the coil as a function of time, identify in the current a first inflection point and a second inflection point, and determine, based upon an electronic evaluation that includes the first inflection point and the second inflection point, that the coil is one of functioning properly and in a state of at least partial failure.
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3.发明公开公开(公告)号：US20240006086A1
公开(公告)日：2024-01-04
申请号：US18469716
申请日：2023-09-19
申请人： ATS Corporation
发明人： Mark Johannesson , Wesley Hergert
IPC分类号： G21C17/00 , G21C17/017 , G09B19/24 , G09B9/00
CPC分类号： G21C17/001 , G21C17/017 , G09B19/24 , G09B9/00
摘要： A system and a method for simulating an operation of one or more automated tools within a nuclear facility. The system includes a communication component to provide access to one or more computing devices, one or more local controllers for processing command requests from the one or more computing devices for the one or more automated tools, and a processor in communication with the communication component and the one or more local controllers. The local controllers may be programmable logic controllers. The method includes using the local controllers for processing command requests received from the computing devices to generate process values for the one or more automated tools, and operating a processor use the process values to animate a three-dimensional model and generate one or more views of the animation of the three-dimensional model to be displayed at one or more computing devices.
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公开(公告)号：US11783955B2
公开(公告)日：2023-10-10
申请号：US17891437
申请日：2022-08-19
发明人： Thomas G. Onderwater
CPC分类号： G21C17/044 , G21C17/002 , G21C17/04 , G21C17/042 , G21C17/07 , G21C17/102 , G21C1/20
摘要： A defective fuel bundle location system for use with a heavy water moderated nuclear fission reactor having a fueling machine, including a test tool defining an internal volume, the test tool being configured to be received within both the fueling machine and a corresponding fuel channel of the reactor, and a test container defining an internal volume, wherein the test container is configured to be received within the internal volume of the test tool and the internal volume of the test container is configured to receive primary fluid from the reactor when the test tool is disposed within the corresponding fuel channel of the reactor.
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公开(公告)号：US11480501B2
公开(公告)日：2022-10-25
申请号：US16485237
申请日：2018-01-16
发明人： Pradeepa Lakmal Wevita , Fumitoshi Sakata , Ichiro Matsumoto , Hiroshi Nagai , Takehiro Kitta , Takashi Kuroishi , Hideki Tachibana
IPC分类号： G06F11/30 , G21C17/00 , G01M99/00 , G05B19/048
摘要： A diagnosis device for diagnosing a plant based on an operating state of the plant includes a monitoring data acquisition unit configured to acquire a plurality of monitoring data which are measurement values of a parameter related to the operating state of the plant measured at different times, a diagnosis target pattern generation unit configured to generate a diagnosis target pattern that is a plot pattern where each of the plurality of monitoring data is plotted against plant output data of the plant, and a pattern diagnosis unit configured to diagnose the plant based on the plot pattern of the diagnosis target pattern.
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公开(公告)号：US20220172853A1
公开(公告)日：2022-06-02
申请号：US17434324
申请日：2020-02-27
摘要： Disclosed is a diagnostic apparatus structured to be electrically connected with a coil stack of a drive mechanism of a control device of a nuclear reactor. The coil stack has a plurality of coils. The diagnostic apparatus includes a power supply and a controller including a processor and a memory that stores a number of routines including a number of instructions. When executed on the processor the instructions cause the diagnostic apparatus to apply to a coil a voltage that varies as a function of time, detect a current in the coil as a function of time, identify in the current a first inflection point and a second inflection point, and determine, based upon an electronic evaluation that includes the first inflection point and the second inflection point, that the coil is one of functioning properly and in a state of at least partial failure.
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公开(公告)号：US11342088B2
公开(公告)日：2022-05-24
申请号：US16312280
申请日：2017-06-20
申请人： FRAMATOME
摘要： A method for calculating a PCI margin associated with a loading pattern of a nuclear reactor including a core into which fuel assemblies are loaded according to the loading pattern is implemented by an electronic system. The fuel assemblies include fuel rods each including fuel pellets of nuclear fuel and a cladding surrounding the pellets. This method includes calculating a reference principal PCI margin for a reference loading pattern of the fuel assemblies in the core; calculating a reference secondary PCI margin for the reference pattern; calculating a modified secondary PCI margin for a modified loading pattern of the fuel assemblies in the core, and calculating a modified principal PCI margin for the modified pattern, depending on a comparison of the modified secondary PCI margin with the reference secondary PCI margin.
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公开(公告)号：US11017907B2
公开(公告)日：2021-05-25
申请号：US14198891
申请日：2014-03-06
摘要： A nuclear reactor protection system includes a plurality of functionally independent modules, each of the modules configured to receive a plurality of inputs from a nuclear reactor safety system, and logically determine a safety action based at least in part on the plurality of inputs; and one or more nuclear reactor safety actuators communicably coupled to the plurality of functionally independent modules to receive the safety action determination based at least in part on the plurality of inputs.
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公开(公告)号：US10712173B2
公开(公告)日：2020-07-14
申请号：US15758896
申请日：2017-06-09
发明人： Akira Kiyomura
摘要： A diagnostic apparatus for a rotational angle sensor that outputs two correlated signals, corresponding to a rotational angle, determines whether or not a failure has occurred in the rotational angle sensor based on whether or not a numerical value obtained from the two correlated signals is within a predetermined range. Then, in a case in which the diagnostic apparatus for the rotational angle sensor determines that the failure has occurred in the rotational angle sensor, the diagnostic apparatus cancels the determination that the failure has occurred in the rotational angle sensor, when the numerical value is within the predetermined range and the rotational angle obtained from the two correlated signals is an angle that cannot be recognized to be 0°, 90°, 180°, or 270°.
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公开(公告)号：US10679760B2
公开(公告)日：2020-06-09
申请号：US15311034
申请日：2015-11-12
发明人： Tianyou Li , Li Zeng , Rui Zhang , Hao Yang , Xing Wang , Yajie Tian , Ji Shi , Wei Wang , Huaqing Peng , Weihua Chen , Weijun Huang , Hui Jiang
IPC分类号： G21C17/10 , G21C13/02 , G21C17/108 , G21C17/00 , G21C17/007 , G21C17/01 , G21C17/017
摘要： A nuclear instrumentation system includes a source range channel, an intermediate range channel, and a power range channel. Each channel includes one detector installed around the pressure vessel. The detectors of the power range channel and the intermediate range channel both include several fission chambers. The detectors of the intermediate range channel and power range channel share several fission chambers. Since some detectors employ fission chambers, the Gamma radiation resistance property, anti-noise property, and anti-electromagnetic interference property are improved. Sharing fission chambers reduces the number of detectors to be installed, thus relieving the installation workload and the positioning of a follow-up detector. Further, the system increases the number of some channels, which increases redundancy and improves system reliability.
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