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1. WO2022069430 - MONITORING AN EVENT IN A POWER CONVERTER

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Publication Number WO/2022/069430
Publication Date 07.04.2022
International Application No. PCT/EP2021/076569
International Filing Date 28.09.2021
IPC
H02M 1/32 2007.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
1Details of apparatus for conversion
32Means for protecting converters other than by automatic disconnection
G05B 23/02 2006.1
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
CPC
G05B 23/024
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
0205by means of a monitoring system capable of detecting and responding to faults
0218characterised by the fault detection method dealing with either existing or incipient faults
0224Process history based detection method, e.g. whereby history implies the availability of large amounts of data
024Quantitative history assessment, e.g. mathematical relationships between available data; Functions therefor; Principal component analysis [PCA]; Partial least square [PLS]; Statistical classifiers, e.g. Bayesian networks, linear regression or correlation analysis; Neural networks
H02M 1/32
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
1Details of apparatus for conversion
32Means for protecting converters other than automatic disconnection
Applicants
  • SIEMENS AKTIENGESELLSCHAFT [DE]/[DE]
Inventors
  • HECHT, Fabian
  • ROSCA, Cornel-Marian
Priority Data
20199337.530.09.2020EP
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) EREIGNISÜBERWACHUNG BEI EINEM STROMRICHTER
(EN) MONITORING AN EVENT IN A POWER CONVERTER
(FR) SURVEILLANCE D'UN ÉVÉNEMENT DANS UN CONVERTISSEUR DE PUISSANCE
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Abstract
(DE) Bei einem Verfahren zum Erzeugen einer Ereignisüberwachung bei einem Stromrichter, werden Protokolldaten nach einem Start des Stromrichters verwendet, wobei die Protokolldaten für eine Zeitperiode nach dem Start keinen Fehler zeigen, wobei die Zeitperiode bestimmbar ist. Meldungen werden Quellen für Fehler zugeordnet, wobei für eine Zuordnung eine Wahrscheinlichkeit errechnet wird.
(EN) The invention relates to a method for monitoring an event in a power converter. Record data is used after starting the power converter, wherein the record data does not indicate an error for a period of time after the power converter is started, and the period of time can be determined. Messages are assigned to error sources, and a degree of probability is calculated for an assigning process.
(FR) L'invention concerne un procédé de surveillance d'un événement dans un convertisseur de puissance. Des données d'enregistrement sont utilisées après le démarrage du convertisseur de puissance, les données d'enregistrement n'indiquant pas une erreur pendant une période de temps après le démarrage du convertisseur de puissance, et la période de temps pouvant être déterminée. Des messages sont attribués à des sources d'erreur, et un degré de probabilité est calculé pour un processus d'attribution.
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