Method and system for remotely predicting the remaining life of an AC motor system

An AC motor, remote technology, applied in the direction of measuring electricity, measuring electrical variables, motor generator testing, etc., can solve the problem of not providing an estimate of the remaining running time, and can not provide an evaluation of the reliability of the motor.

Inactive Publication Date: 2009-04-22
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These systems provide neither an assessment of the reliability of the motor until repair is required nor an estimate of the remaining operating time

Method used

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  • Method and system for remotely predicting the remaining life of an AC motor system
  • Method and system for remotely predicting the remaining life of an AC motor system
  • Method and system for remotely predicting the remaining life of an AC motor system

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Embodiment Construction

[0060] The following detailed description of the preferred embodiments refers to the accompanying drawings that illustrate specific embodiments of the invention. Other embodiments having different structures and operations do not depart from the scope of the present invention.

[0061] Embodiments of the invention take the form of applications and processes having the technical effect of determining the remaining life of at least one AC motor system from a remote location. The invention is applicable to AC motor systems used in a variety of applications including: industrial processes, power plant processes, and combinations thereof.

[0062] An AC motor system may include an AC motor and at least one of: a sensor, a transmitter, a temperature element, etc., and combinations thereof where the AC motor may be monitored.

[0063] The remote monitoring and diagnostics (RM&D) system may be located at a location other than the location of the at least one AC motor system. The RM&...

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PUM

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Abstract

A method and a system for remotely predicting the reliability and the remaining time before failure for an AC motor system (110) are provided. The method and the system may remotely determine the reliability and a remaining time before failure with a statistical confidence utilizing an AC motor condition forecaster. The method and the system may include acquiring historical motor data, obtaining operational data (120), performing failure analysis, developing a causal network, and performing an integrated causal network and reliability analysis of the AC motor system. The method and system may provide at least one notification of an issue with the AC motor system (110) or at least one component of the AC motor system.

Description

technical field [0001] The present invention relates to the reliability of AC motor systems, and more particularly to a method and system for remotely determining the time remaining before a component of an AC motor system fails using a determined statistical confidence level. Background technique [0002] Some operators of AC motor systems employ some form of remote monitoring and diagnostics (RM&D) system or the like for use in determining system reliability. Currently known RM&D systems tend to focus on collection for development purposes. [0003] Acquisition of accurate information about the operating condition, status and performance of AC motor systems is often critical to maintaining the successful commercial operation of such systems, such as, but not limited to, those used in "critical" industrial manufacturing processes, power generation systems, etc. motor. Accordingly, considerable effort is often expended to develop and improve existing methods and systems fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34
CPCG01R31/343
Inventor G·L·弗利金格G·J·奇米尔D·N·约翰逊
Owner GENERAL ELECTRIC CO
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