回転機診断システム及び方法 - 株式会社日立製作所

Title:

回転機診断システム及び方法

Document Type and Number:

Japanese Patent JP7355934

Kind Code:

B2

Abstract:

Provided is a rotary machine diagnosis system by which simply-structured, accurate diagnosis of a rotary machine can be carried out without analysis settings predicated on specialized knowledge. The present invention is characterized by comprising: a current detector which detects current in at least one current line connected to the rotary machine; a current diagnosis device which receives a signal from the current detector and carries out signal processing; and a visualization device which displays the results of the signal processing, the current diagnosis device imparts the visualization device with a dispersion of feature quantities related to frequency fluctuations as an index, and the visualization device displays the index together with time changes.

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Inventors:

Kazuo Kono
Takuma Nishimura

Application Number:

JP2022523791A

Publication Date:

October 03, 2023

Filing Date:

May 19, 2020

Export Citation:

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Assignee:

株式会社日立製作所

International Classes:

G01M99/00; G01R31/34; H02P29/024

Domestic Patent References:

JP2020067334A
JP2020067281A

Foreign References:

US20160033580

Attorney, Agent or Firm:

Polaire Patent Attorneys Corporation

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