Matches 1 - 26 out of 26


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US20140140464 WIRELESS TRANSMISSION OF NUCLEAR INSTRUMENTATION SIGNALS  
A system for monitoring a condition of a nuclear reactor pressure vessel disposed in a radioactive environment includes an instrument structured to monitor a condition of the nuclear reactor...
US20070297557 Plant information processing system and plant information processing method  
A storage section stores a history of a workflow for a plant in a specific status. A status detection section detects the status of the plant. A search section searches the history of the workflow...
US20100008462 NON-DESTRUCTIVE TEST EVALUATION OF WELDED CLADDINGS ON RODS OF HYDRAULIC CYLINDERS USED FOR SALTWATER, BRACKISH AND FRESHWATER APPLICATIONS  
A method of maintaining a rod of a hydraulic cylinder for a motion compensation system of an offshore platform includes non-destructive testing of a metallic cladding deposited onto the rod. An...
US20140270041 Actinide Oxide Structures For Monitoring A Radioactive Environment Wirelessly  
Various embodiments enable wireless monitoring of a radioactive environment and related operating conditions. Structures of increasing complexity and formed at least in part from a semiconductor...
US20080069290 Integrated monitoring method for nuclear device and system using the same  
An integrated monitoring method and a system using the same which can monitor structural integrity or an operating state of a nuclear device are provided. One integrated analysis unit receives a...
US20110150162 AUTOMATED PERIODIC SURVEILLANCE TESTING METHOD AND APPARATUS IN DIGITAL REACTOR PROTECTION SYSTEM  
Provided is an automated periodic surveillance testing method and apparatus in a digital reactor protection system, which unites a passive testing means such as a self-diagnosis or an on-line...
US20120033779 METHODS OF DETERMINING IN-REACTOR SUSCEPTIBILITY OF A ZIRCONIUM-BASED ALLOY TO SHADOW CORROSION  
A method of determining in-reactor susceptibility of a zirconium-based alloy to shadow corrosion according to a non-limiting embodiment of the present invention may include immersing a first...
US20130182811 Method of Monitoring Reactor Bottom Area, Reactor Bottom Area Monitoring Apparatus and Nuclear Reactor  
An ultrasonic sensor has a piezo-electric element attached at an end surface outside a reactor pressure vessel (RPV) of a sensor leading edge portion. The sensor leading edge portion passes...
US20100067643 High dielectric insulated coax cable for sensitive impedance monitoring  
A boiling water reactor core power level monitoring system includes a desired length of high dielectric, non-linear material insulated coaxial type cable in close proximity to the reactor core and...
US20130129030 OPERATION MONITORING APPARATUS OF NUCLEAR POWER PLANT  
In an operation monitoring apparatus of a nuclear power plant, a first operation console (12) that can be operated by an operator and includes displays (31 to 37), an operation command console...
US20120121055 OPERATIONAL SUPPORT DEVICE AND OPERATIONAL SUPPORT METHOD FOR A NUCLEAR POWER PLANT  
Provided are an operation support device and an operation support method for a nuclear power plant which are capable of accurately grasping the condition of a nuclear power plant and capable of...
US20100220830 AXIAL POWER DISTRIBUTION CONTROL METHOD, AXIAL POWER DISTRIBUTION CONTROL SYSTEM AND AXIAL POWER DISTRIBUTION CONTROL PROGRAM  
This document's object is to provide an axial power distribution control method in which only the control of an axial power distribution in a nuclear reactor with a simple operation with a clear...
US20140355730 REACTOR OSCILLATION POWER RANGE MONITOR, REACTOR OSCILLATION POWER RANGE MONITORING METHOD, AND RECORDING MEDIUM CONTAINING REACTOR OSCILLATION POWER RANGE MONITORING PROGRAM  
According to one embodiment, a reactor oscillation power range monitor includes: a receiving unit configured to receive LPRM signals issued by LPRM detectors differing in vertical position out of...
US20090003506 APPARATUS FOR INSPECTING AND TESTING STARTUP RANGE NEUTRON MONITORING SYSTEM  
An apparatus for inspecting and testing a startup range neutron monitoring system for a nuclear reactor. The apparatus includes: a neutron-flux detector; a preamplifier that amplifies an electric...
US20140307843 REACTOR IN-CORE INSTRUMENT HANDLING SYSTEM  
A reactor in-core instrument handling system in which the signal leads are routed from the instrument sensors through an outer sheath through the upper reactor internals and out of and around the...
US20100254505 Methods and apparatuses for operating nuclear reactors and for determining power levels in the nuclear reactors  
An apparatus may include two or more electrical conductors, one or more signal devices, and an analyzer. The one or more signal devices may be adapted to apply one or more signals to the two or...
US20100246741 NUCLEAR-PLANT SAFETY SYSTEM OPERATING DEVICE  
There are provided a first display that displays a system diagram of a safety system and makes it possible to select a symbol indicating a safety-system plant equipment included in the system...
US20070201601 Apparatus and method for measuring a temperature of coolant in a reactor core, and apparatus for monitoring a reactor core  
A reactor core coolant temperature measuring apparatus for measuring the temperature of the coolant flowing in the reactor core of a nuclear reactor comprises a γ-ray thermometer having a...
US20120177166 WIRELESS IN-CORE NEUTRON MONITOR  
An in-core neutron monitor that employs vacuum microelectronic devices to configure an in-core instrument thimble assembly that monitors and wirelessly transmits a number of reactor parameters...
US20140369456 ROD MOVEMENT DIAGNOSTICS FOR NUCLEAR POWER PLANT USING ADVANCED DATA FITTING  
Systems and methods of monitoring rod control systems of nuclear power plants, including: measuring a particular signal applied to at least one coil of a rod movement mechanism at one or more...
US20120114089 Apparatus for Detecting Contaminants in a Liquid and a System for Use Thereof  
Disclosed herein are apparatus and methods for detecting and quantifying contaminants in aqueous solutions. In one embodiment, an apparatus for the detection of contaminants within a liquid...
US20130142298 IN-CORE NUCLEAR INSTRUMENTATION APPARATUS  
An in-core nuclear instrumentation apparatus is provided with a neutron flux current detection circuit which converts a neutron flux current signal fed from a neutron detector into a voltage...
US20050013399 Method and a device for evaluating the integrity of a control substance in a nuclear plant  
The invention refers to a method and a device for evaluating the integrity of a control rod material in a nuclear plant. The plant includes a reactor vessel (1), a reactor core (2) that is...
US20160329115 FUEL BALL DETECTING METHOD AND SYSTEM WITH SELF-DIAGNOSIS FUNCTION  
A fuel ball detecting method and system with a self-diagnosis function are provided. The method includes: exciting a first detecting coil and a second detecting coil of a fuel ball sensor disposed...
US20160189811 REMOTE MONITORING OF CRITICAL REACTOR PARAMETERS  
A nuclear reactor instrumentation system and method, including a backup power source, a wireless transmitter, and various system sensors is configured to identify a loss of normal power to a...
US20140098923 APPARATUS AND METHOD TO SWITCH ULTRASONIC SIGNAL PATHS IN A MODERATELY HIGH RADIATION AREA  
The invention relates to an apparatus and methods for operation in relatively high radiation fields to remotely switch signal devices through a shared single main umbilical signal cable. The...

Matches 1 - 26 out of 26