Method for pre-detecting abnormality sign of nuclear power plant device including processor for determining device importance and warning validity, and system therefor

a technology for abnormal signs and nuclear power plants, applied in nuclear elements, instruments, greenhouse gas reduction, etc., can solve problems such as inability to distinguish whether the warning is true or not, and achieve the effects of preventing device and power plant shutdown, reducing manpower needs for early warning analysis, and efficient operation

Active Publication Date: 2021-09-16
KOREA HYDRO & NUCLEAR POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

The technical effect of this patented technology is that it allows for efficient early-warning analysis of equipment failures without requiring human labor or generating false alarms. It also identifies subtle signs of damage caused by minor issues before they become severe enough to cause failure. This helps reduce costs associated with maintaining power plants while ensuring reliable performance.

Problems solved by technology

This patent describes various technical methods for detecting abnormalities in equipment in a power plant. However, these existing systems have limitations in accurately identifying abnormal conditions and quickly responding to warnings based on their occurrence. Additionally, they require operators to manually compare multiple measurement results to identify potential issues before taking action.

Method used

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  • Method for pre-detecting abnormality sign of nuclear power plant device including processor for determining device importance and warning validity, and system therefor
  • Method for pre-detecting abnormality sign of nuclear power plant device including processor for determining device importance and warning validity, and system therefor
  • Method for pre-detecting abnormality sign of nuclear power plant device including processor for determining device importance and warning validity, and system therefor

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Embodiment Construction

[0067]The present invention may have various modifications and various embodiments and specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this does not limit the present invention to specific embodiments, and it should be understood that the present invention covers all the modifications, equivalents and replacements included within the idea and technical scope of the present invention.

[0068]Terms including as first, second, and the like are used for describing various constituent elements, but the constituent elements are not limited by the terms. The terms are used only to discriminate one constituent element from another component. For example, a first component may be referred to as a second component, and similarly, the second component may be referred to as the first component without departing from the scope of the present invention. A term ‘and / or’ includes a combination of a plurality of associated disclosed

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Abstract

The present invention provides a method for early warning of an abnormality sign of a device, which includes device importance and warning validity determination, and a system therefor. The method for early warning of the abnormality sign of the device comprises: a first step of determining by an early warning processing apparatus whether a device monitoring signal value exceeds a normal operation range by using a weight value on the basis of monitoring-parameter-specific importance data which has been previously analyzed by an operator; a second step of generating a warning by the early warning processing apparatus when the device monitoring signal value exceeds the normal operation range; and a third step of determining by a warning determination apparatus whether the generated warning is a valid warning, which is subject to a warning analysis and to be traced.

Description

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Claims

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Application Information

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Owner KOREA HYDRO & NUCLEAR POWER CO LTD
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