[go: up one dir, main page]

WO2011069545A1 - "condition monitoring system" (système de surveillance d'état) d'un moteur - Google Patents

"condition monitoring system" (système de surveillance d'état) d'un moteur Download PDF

Info

Publication number
WO2011069545A1
WO2011069545A1 PCT/EP2009/066803 EP2009066803W WO2011069545A1 WO 2011069545 A1 WO2011069545 A1 WO 2011069545A1 EP 2009066803 W EP2009066803 W EP 2009066803W WO 2011069545 A1 WO2011069545 A1 WO 2011069545A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
engine
bearing plate
sensor unit
energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/066803
Other languages
German (de)
English (en)
Inventor
Jörg HASSEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to PCT/EP2009/066803 priority Critical patent/WO2011069545A1/fr
Publication of WO2011069545A1 publication Critical patent/WO2011069545A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/35—Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis

Definitions

  • the invention relates to a condition monitoring system for an engine.
  • Providing a plant and in particular of a motor condition monitoring functions (monitoring functions) is ver ⁇ tied to the hook with a complex installation work.
  • a motor with condition monitoring functions usually very complex and possibly structural measures are required.
  • the sensors needed for monitoring must be positioned and mounted on the engine.
  • a wiring of the sensors must be done with their competent control. Exposed lines in the work area for example, must sen train path or underground cable channels are relocated to countries to prevent the work area a dangerous ⁇ dung human or machine. Additional installation of sensors and additional routing of cables may require reassessing the safety of a system.
  • a motor end shield for an engine comprising:
  • a sensor unit for detecting a measured variable of the Mo ⁇ tors, a communication means which is designed to provide a parameter characterizing the measured variable to a reading device,
  • a supply unit for supplying the sensor unit with energy.
  • a device i. by a board for a motor end shield of an engine comprising:
  • a communication means which is designed to provide a parameter characterizing the measured variable to a reading device
  • a supply unit for supplying the sensor unit with energy
  • the advantage achieved by the invention is that the condition monitoring function of a motor, in particular electric motor, is achieved by the engine end shield.
  • the components required for the condition monitoring function are integrated in the engine end shield.
  • the motor bearing shield ⁇ can perform a state monitoring of the motor
  • the motor bearing shield comprises at least one sensor unit which is designed to hold a measured quantity of the engine to he ⁇ .
  • the motor bearing plate comprises a Kommunikati ⁇ onsstoff which is adapted to at least one measured variable characterizing the characteristic value of a reading device be ⁇ riding observed.
  • a supply unit of the motor bearing shield is used to supply the sensor unit and preferably flat ⁇ so the communication means with energy. Consequently, the motor bearing plate forms a self-sufficient surveil ⁇ monitoring unit which enables monitoring of the engine.
  • An advantage of the motor end shield with integrated condition monitoring function is that no complicated cabling between the sensor and the communication unit is necessary, as this is already reali ⁇ Siert within the engine end shield. The installation effort by laying cables of conventional condition monitoring
  • Both the motor end shield A-side and / or B-side can be equipped with a condition monitoring function.
  • Another advantage of the motor monitoring by the Motorla- gerschild is that thereby a simple After ⁇ upgrade is possible for an end user. Thanks to the motor end shield with integrated condition monitoring functionality, an end user can easily equip his existing system and especially the existing motor with condition monitoring functions in a simple, uncomplicated way. For this purpose, only the engine end shield of the present engine with an engine end shield according to the invention must be exchanged ⁇ . Elaborate installations and cabling on the engine are not necessary.
  • the desired measured variables and consequently characteristic values of the engine can be detected with appropriate sensors.
  • These measures and in particular of the measured variable characterizing characteristic can be via the communication means Schauge ⁇ represents the reader.
  • the reader is preferably arranged except ⁇ half of the motor.
  • the decentralized reading device can thus be used to constantly monitor the motor. With appropriate training of the reader and the communication means also online monitoring of the engine is possible. In this way, a location-independent monitoring of the state of the engine and consequently the system can be done.
  • Condition monitoring functions can provide early detection of potential engine problems, allowing an end user to make timely and appropriate adjustments.
  • the running time of the engine can be extended, since ultimately the end user is informed in good time of a lack of the engine and thus does not have to exchange a motor as usual.
  • condition monitoring functions in a spare part of the engine reduces the effort for the engine user, since he can easily upgrade his existing engine with a pending change of the engine end shield with condition monitoring functions, without having to buy a new engine.
  • the board is preferably dimensioned such that they on the
  • Shaft of the motor can be plugged and integrated into a cavity of the engine end shield.
  • the shaft of the Mo ⁇ gate is thus at the side facing the printed circuit board side is completely surrounded, after the attachment of the circuit board from the circuit board.
  • the circuit board is round and has at its center an opening (e.g., a round hole) for the shaft of the motor.
  • the board can thus take almost the diameter of the engine end shield and thus be installed after their placement in a cavity of the engine end shield.
  • the motor in particular the winding head of the motor, facing side of the board is insulating etcbil ⁇ det.
  • the insulation is in particular designed such that a protection against a temperature and unwanted electrical or electromagnetic effects is achieved.
  • the board should be protected so that a standard service replacement of the engine end shield is possible.
  • the motor can be retrofitted with the desired condition monitoring function in a simple and cost- effective manner by installing the board according to the invention in an engine end shield of the engine.
  • the supply unit for supplying the communication means with energy is provided.
  • the motor bearing shield forms a CLOSED ⁇ sene-contained unit which can be used independently.
  • the supply unit is adapted to fully supply the commu ⁇ nikationsstoff and / or the sensor unit with energy. With regard to the sensor unit and / or the means of communication thus no further Ver ⁇ wiring is necessary.
  • This facilitates in particular the supply Ferti ⁇ a motor with a motor bearing shield according to the invention, as well as the retrofit of an existing engine with egg ⁇ nem inventive motor bearing shield having Condition Mo nitoring functions.
  • An end user can thus equip his system and in particular the engines with a monitoring function in a simple manner or retrofit.
  • the motor bearing shield may preferably have different Condition Mo ⁇ nitoring functions.
  • the motor bearing shield has means for providing the electronic nameplate of the engine via the Kommunikati ⁇ onsstoff.
  • the electronic nameplate of the engine is also stored in the engine end shield.
  • further engine-specific analyzes can be carried out.
  • an end user can retrieve the simple motor-relevant data over the Kommunikati ⁇ onsstoff and these beilspielmik pending analysis.
  • the motor bearing plate on means for bearing current measurement.
  • a measured variable or several measured variables are detected by the sensor unit, which identify a presence of a bearing current.
  • a measuring the size / -n characterizing characteristic value is accommodated by the sensor unit, which identify a presence of a bearing current.
  • a measuring the size / -n characterizing characteristic value is accommodated by the sensor unit, which identify a presence of a bearing current.
  • a measuring the size / -n characterizing characteristic value is accommodated.
  • An end user which receives a DER-like information about the reader can respond accordingly thanks to the presence of this information and to take appropriate measures ⁇ men. It is also possible to automatically initiate an evaluation unit, having a reading device for reading the characteristics of the communi ⁇ nikationsffens, necessary measures men.
  • the voltage ⁇ potential between a stator of an electric motor and egg ⁇ ner shaft of an electric motor with insulated storage is determined. For example, if a bearing damage, so that spread over the shaft bearing currents, which usually leads to damage to a weakest point along the shaft, such as on the gearbox or on a driven machine. On the basis of a bearing current measurement and finally on the basis of the determined measured value, a conclusion can be drawn on the proper functioning of the electric motor, in particular of the bearing. Damage to, for example, the transmission or the work machine can thus by a Timely error message of the Condition Monitoring System can be avoided.
  • the sensor unit comprises means for measuring a temperature of the engine, in particular a rotor, and / or a Umge ⁇ ambient temperature of the engine.
  • the sensor unit has means for measuring an imbalance of the motor.
  • a determination of an imbalance of the engine can be done for example by analyzing low frequency bands. Consequently, the means for measuring an imbalance of the motor ⁇ preference as this is designed to analyze low frequency bands.
  • the sensor unit has means for measuring acoustic vibrations ⁇ tions.
  • Such a measurement should preferably be suitable for determining acoustic oscillations both in the "audible range” and in the ultrasound range
  • the sensor unit for forming the characteristic value at least a sensor for detecting a measured variable and a reference value of the motor for comparison with the determined measured variables ⁇ SSE of the sensor.
  • the reference value is preferably stored in a memory of the Mo ⁇ torlagerschilds. Characterized in that the motor bearing shield ⁇ both the reference value of the motor as well as the ermit ⁇ Telte measured variable is present, an evaluation of the present state can be performed by a comparison of the two values together.
  • the engine end shield and in particular its sensor unit can therefore be provided with special sensors which can determine different measured variables of the engine, so that the present state of the engine can be determined by comparing the determined measured variables with the respective reference values of the engine , Such a determination can be made either already in the engine end shield itself or in a downstream process. In the downstream process, the characteristic value or the characteristic values is retrieved by a reading device from the communica ⁇ tion medium and then analyzed.
  • the sensor unit has means for analyzing the measured variables and / or characteristic values.
  • Such an analysis is preferably realized by a process sensor comprising the engine end shield.
  • the individual measured variables and / or characteristic values are preferably also analyzed with each other here.
  • a more varied analysis can already take place within the engine end shield.
  • the reference variables as well as the information of the electronic nameplate are preferably also included in the analysis.
  • the motor bearing plate for determining the characteristic egg ⁇ NEN processor.
  • the determined measured variables of the sensor unit can consequently be analyzed and a measured quantity can be formed from this which reflects the health of the engine, the bearing and / or the working machine.
  • This measured variable can be provided to a reading device via its associated characterizing characteristic value.
  • the communication means is provided for communication with an ex ternal ⁇ reader. There is thus a communication with a decentralized reader, which is located outside the engine. Communication with the external reader may be wired or preferably wireless. In wireless communication, for example, the shaft of the motor can be used as an antenna. An end user can, for example, use a handheld to retrieve existing characteristic values or measured variables of the engine and use them for further analysis.
  • the advantage of wireless communication between the communication device and the reader is that the installation effort is reduced to a minimum. Consequently, an end user only has the engine mounting plate of the existing engine with an inventive motor bearing shield austau ⁇ rule. Laying cables is not necessary.
  • the motor bearing shield is an independent unit and can be pre preferably non-reactive to the motor instead of the motor end shield EXISTING ⁇ which attach.
  • a motor bearing shield with condition monitoring function can be used for the motor end shield side, and for the Mo ⁇ torlagerschild B-side, depending on the embodiment. It is also conceivable that both the A-side and B-side includes the Motorla ⁇ shield sign monitoring functions.
  • the determined measured variables and / or characteristic values are stored in a memory of the engine end shield, so that an analysis of the measured variables or characteristic values can take place over time.
  • the supply unit has means for energy extraction of the energy, preferably from the motor connection line on.
  • Such an energy extraction from the Motoran gleichlei ⁇ tion can, for example, by a magnetic energy coupling, a capacitive energy extraction or an ohmic energy extraction (eg via a transformer).
  • the supply unit has means for energy production of the energy by energy harvesting.
  • power is generated from sources such as ambient temperature, vibration, motion and / or airflow.
  • the board is preferably round etc. det and has at its center an opening (for example, a round hole) for the shaft of the Motors on.
  • the board can thus take up almost the diameter of the engine end shield and thus be installed after their placement in a cavity of the engine bearing shield. When retrofitting the motor with condition monitoring functions, only the motor end shield needs to be replaced.
  • the board can be mounted both in the motor bearing plate A-side and in the engine bearing plate B-side. It is also conceivable that both the engine mount A-side and the engine mount B-side each includes the board.
  • a motor on the motor end shield according to the invention.
  • FIG. 1 shows a schematic representation of an electric motor 1
  • 2 shows a schematic representation of a circuit board 22 for a motor bearing plate 4.5 of an electric motor of FIG 1.
  • FIG. 1 shows a schematic representation of an electric motor 1.
  • the electric motor 1 is mounted on a stand 6.
  • the electric motor 1 comprises a shaft 9, a motor bearing shield A-side 4 and a motor bearing shield B-side 5, which surrounds the Ma ⁇ machine housing of the electric motor 7.
  • the motor plates 4.5 form the rear and front cover of
  • the motor end shield A-side 4 designates the drive side and usually carries a fixed bearing.
  • the motor bearing shield B-side, 5 is the "fan shell", and the storage is usually effected via a sliding ⁇ seat.
  • the respective motor bearing plate 4.5 is mechanically connected by means of fastening elements to the electric motor 1.
  • the electric motor 1 further includes a control box 2 with a Control box cover 3. Via a Anschlußöff ⁇ tion 8 of the control box 2, the motor connection cable can be connected to the electric motor 1 for power supply.
  • At least one motor bearing plate 4.5 a sensor ⁇ unit for detecting a plurality of measured variables of the electric motor 1 and a communication means which is adapted to a respective measurement variable and / or the measured quantities characterizing parameter to provide a reader 20 on.
  • the communication between the communication means and the reader 20 takes place wirelessly, so that no wiring for condition monitoring is necessary.
  • the motor end shield 4.5 further comprises a supply unit for supplying the sensor unit and the communication means with energy.
  • the motor bearing plate 4, 5 thus forms a condition monitoring system for the electric motor 1.
  • the advantage of such a condition monitoring system for an electric motor 1 is that no complicated assembly (wiring, parameterization, etc.) is required.
  • FIG 2 shows a schematic representation of a circuit board 22 for a motor bearing shield 4.5 of an electric motor of FIG 1.
  • This board 22 includes a sensor unit 10, a versor ⁇ supply unit 12, a communication means 11 and a Means 13 for providing the electronic nameplate.
  • the supply unit 12 supplies both the sensor unit 10, the communication means 11 and the means 13 for providing ⁇ the electronic nameplate with electrical energy.
  • the energy is generated by energy harvesting measures, such as energy production from temperature differences, as well as the energy from existing movements. In this way, the supply of the respective components can be ensured.
  • the sensor unit 10 further comprises a bearing current measuring means 14, a means 15 for measuring a temperature of a rotor and / or an ambient temperature of the electric motor, means 16 for measuring an imbalance of the electric motor, means 23 for measuring acoustic vibrations, a processor 17 and a memory 19 for depositing the reference value of the Elect ⁇ romotors and / or of the measured variables or characteristic values determined.
  • the board 22 is in this case a round shape and has an opening 21 in ih ⁇ rem center. This round hole 21 is dimensioned such that the board can be plugged onto the shaft of the Mo ⁇ tors. The board 22 can thus occupy almost the diameter of the engine end shield and thus be installed after their placement in a cavity of the engine end shield. An optimal space utilization can be achieved thereby.
  • the circuit board 22 is formed on its side facing the electric motor, in particular the winding head of the electric motor, facing side insulating. The insulation is designed so that protection against temperature and unwanted electrical or electromagnetic effects is achieved. With regard to the optimum energy production by means of energy harvesting elements, the insulation in its place is of course to be considered separately. Further, the board 22 so ge ⁇ that protects a standard service replacement of the motor bearing shield is possible 4.5.
  • the motor can be retrofitted with the desired condition monitoring function in a simple and cost-effective manner by installing the circuit board 22 in a motor end shield of the motor.
  • an installation of a motor bearing ⁇ shield done with integrated condition monitoring function, this ultimately the corresponding Motorla ⁇ shield must be replaced.
  • the plate 22 has further reference values of the Elect ⁇ romotors and a processor 17 and a memory 19, a condition monitoring by the motor bearing shield, which comprises the circuit board 22, be made.
  • the status monitoring here has several sub-steps.
  • This reference value can represent both a setpoint value to be maintained and a limit value of the electric motor that is not to be exceeded.
  • the respective reference value and consequently the respective setpoint value is determined either at the time of machine acceptance or determined by predefined variables, depending on the parameter of the electric motor that has been examined.
  • Such reference values are preferably be ⁇ already present in the electronic nameplate of the respective electric motors tors.
  • the diagnosis of the determined measured value takes place with the reference value. This is done by a processor 17. If the analysis already takes place in the engine end shield, a characteristic value characterizing the measured variable is provided to the reading device via the communication means. This characteristic indicates whether a nominal value exceeding ⁇ has taken place or not. Furthermore, based on the characteristic value, a present deviation of the measured variable from the reference variable can be indicated. If a subsequent analysis of the measured variables determined so may also the size of the measured characteristic value characterizing le ⁇ a diglich be the measured variable value representing.
  • the His ⁇ torie of the electric motor can also be considered in more detail and analyzed.
  • the external reader for example, the

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

L'invention concerne un "Condition Monitoring System" pour un moteur (1). Pour permettre une surveillance simple et bon marché d'un moteur (1), il est proposé que le flasque (4, 5) pour un moteur (1) comprenne une unité de capteur (10) pour détecter une grandeur de mesure du moteur (1), un moyen de communication (11) qui est conçu pour fournir à un appareil de lecture (20) un paramètre caractérisant la grandeur de mesure, et une unité d'alimentation (12) pour alimenter l'unité de capteur (10) en énergie.
PCT/EP2009/066803 2009-12-10 2009-12-10 "condition monitoring system" (système de surveillance d'état) d'un moteur Ceased WO2011069545A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/066803 WO2011069545A1 (fr) 2009-12-10 2009-12-10 "condition monitoring system" (système de surveillance d'état) d'un moteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/066803 WO2011069545A1 (fr) 2009-12-10 2009-12-10 "condition monitoring system" (système de surveillance d'état) d'un moteur

Publications (1)

Publication Number Publication Date
WO2011069545A1 true WO2011069545A1 (fr) 2011-06-16

Family

ID=42139975

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/066803 Ceased WO2011069545A1 (fr) 2009-12-10 2009-12-10 "condition monitoring system" (système de surveillance d'état) d'un moteur

Country Status (1)

Country Link
WO (1) WO2011069545A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507585A (zh) * 2018-12-09 2019-03-22 横店集团英洛华电气有限公司 直流电机转向检测装置
WO2020015797A1 (fr) * 2018-07-17 2020-01-23 Ziehl-Abegg Se Moteur électrique, ventilateur et système constitué d'un moteur électrique et d'une unité d'évaluation
WO2020134890A1 (fr) * 2018-07-30 2020-07-02 杭州哲达科技股份有限公司 Capteur de vibrations et de température permettant la surveillance de données de fonctionnement sûr et sain d'un dispositif d'actionnement et de rotation
WO2022073773A1 (fr) 2020-10-09 2022-04-14 PROKON Regenerative Energien eG Procédé de surveillance d'un ou de plusieurs entraînements électriques d'un système électromécanique
RU2777840C1 (ru) * 2018-07-17 2022-08-11 Циль-Абегг СЕ Электродвигатель, вентилятор и система, состоящая из электродвигателя и блока оценки

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177740B1 (en) * 1999-01-29 2001-01-23 Delphi Technologies, Inc. Integrated motor and motor drive unit
US20020167238A1 (en) * 2001-05-10 2002-11-14 Satoshi Kogure Electric motor
US7061150B2 (en) * 2001-09-14 2006-06-13 Brose Fahrzeugteile Gmbh & Co Kg, Coburg Drive unit comprising an electric motor for adjusting devices in motor vehicles
EP1729034A2 (fr) * 2005-05-31 2006-12-06 Wittenstein AG Actionneur
DE102007052445A1 (de) * 2006-12-20 2008-06-26 Sew-Eurodrive Gmbh & Co. Kg System

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177740B1 (en) * 1999-01-29 2001-01-23 Delphi Technologies, Inc. Integrated motor and motor drive unit
US20020167238A1 (en) * 2001-05-10 2002-11-14 Satoshi Kogure Electric motor
US7061150B2 (en) * 2001-09-14 2006-06-13 Brose Fahrzeugteile Gmbh & Co Kg, Coburg Drive unit comprising an electric motor for adjusting devices in motor vehicles
EP1729034A2 (fr) * 2005-05-31 2006-12-06 Wittenstein AG Actionneur
DE102007052445A1 (de) * 2006-12-20 2008-06-26 Sew-Eurodrive Gmbh & Co. Kg System

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020015797A1 (fr) * 2018-07-17 2020-01-23 Ziehl-Abegg Se Moteur électrique, ventilateur et système constitué d'un moteur électrique et d'une unité d'évaluation
CN112514212A (zh) * 2018-07-17 2021-03-16 施乐百有限公司 电动机、风扇以及包括电动机和评估单元的系统
RU2777840C1 (ru) * 2018-07-17 2022-08-11 Циль-Абегг СЕ Электродвигатель, вентилятор и система, состоящая из электродвигателя и блока оценки
US11894730B2 (en) 2018-07-17 2024-02-06 Ziehl-Abegg Se Electric motor, fan, and system including an electric motor and an evaluation unit
CN112514212B (zh) * 2018-07-17 2024-05-10 施乐百有限公司 电动机、风扇以及通信系统
WO2020134890A1 (fr) * 2018-07-30 2020-07-02 杭州哲达科技股份有限公司 Capteur de vibrations et de température permettant la surveillance de données de fonctionnement sûr et sain d'un dispositif d'actionnement et de rotation
CN109507585A (zh) * 2018-12-09 2019-03-22 横店集团英洛华电气有限公司 直流电机转向检测装置
CN109507585B (zh) * 2018-12-09 2024-05-24 浙江联宜电机有限公司 直流电机转向检测装置
WO2022073773A1 (fr) 2020-10-09 2022-04-14 PROKON Regenerative Energien eG Procédé de surveillance d'un ou de plusieurs entraînements électriques d'un système électromécanique
DE102020126587A1 (de) 2020-10-09 2022-04-14 PROKON Regenerative Energien eG Verfahren zur Überwachung eines oder mehrerer elektrischer Antriebe einer elektromechanischen Anlage

Similar Documents

Publication Publication Date Title
EP2510314B1 (fr) Système de surveillance de l'état d'un moteur
DE102017115625A1 (de) Motor mit einer Funktion zum Erzeugen und Einspeisen von elektrischer Energie an einem Spulenendabschnitt
EP2843778A1 (fr) Unité d'anneau abrasif et procédé de surveillance de l'état d'une unité d'anneau abrasif
DE102010013257A1 (de) Drehmelder
EP3243015B1 (fr) Système et procédé de mesure permettant de détecter des grandeurs sur les porte-satellites d'un train planétaire
DE102013222534A1 (de) Elektromaschine
DE102018211833A1 (de) Sensoranordnung zum Erfassen von Betriebsparametern eines Elektromotors sowie entsprechender Elektromotor
WO2011069545A1 (fr) "condition monitoring system" (système de surveillance d'état) d'un moteur
EP2542865B1 (fr) Capteur de courant palier avec convertisseur d'énergie
DE102014000654A1 (de) Temperaturmesssystem für einen elektrischen Motor mit einem Halteteil am Spulenende
WO2009010497A2 (fr) Unité de logement pour câbles
EP2132870A2 (fr) Dispositif de moteur
DE102022123571B3 (de) System zur betätigung eines stufenschalters
WO2005085965A1 (fr) Actionneur et procede pour faire fonctionner un actionneur
DE102012100239A1 (de) Elektrische Maschine mit integriertem Lagertemperaturgeber
DE102022120965B4 (de) Verfahren zum Vorhersagen der Rotortemperatur für einen Elektromotor
EP3763021A1 (fr) Dispositif d'entraînement électrique avec surveillance d'états
EP1161662A1 (fr) Machine electrique haute tension, en particulier turbo-generateur, et procede de mesure de la temperature dans une machine electrique haute tension
WO2020098871A1 (fr) Machine électrique à capteur de température intégré et capteur d'état de rotor
DE102017127887A1 (de) Verfahren zum Ansteuern eines Motors
DE112018008135B4 (de) Elektromotor
EP2894746B1 (fr) Procédé et dispositif de surveillance de température d'un moteur électrique
DE102004048928B4 (de) Temperatursensor und Elektromotor
AT522972B1 (de) Lageranordnung
DE102008063925A1 (de) Verfahren zur Ermittlung einer Restlebensdauer einer hydrostatischen Maschine und Steuergerät

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09807538

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09807538

Country of ref document: EP

Kind code of ref document: A1