WO2006082190A1 - Überwachung der lagertemperatur einer elektrischen maschine - Google Patents
Überwachung der lagertemperatur einer elektrischen maschine Download PDFInfo
- Publication number
- WO2006082190A1 WO2006082190A1 PCT/EP2006/050565 EP2006050565W WO2006082190A1 WO 2006082190 A1 WO2006082190 A1 WO 2006082190A1 EP 2006050565 W EP2006050565 W EP 2006050565W WO 2006082190 A1 WO2006082190 A1 WO 2006082190A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- bearing
- power loss
- model
- electrical machine
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/525—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/42—Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature
-
- 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
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/14—Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Definitions
- DE 103 05 368 A1 discloses methods or Devices are known in which relevant components of the electric machine are monitored quasi in real time by an evaluation device by means of non-contact temperature sensors.
- the object is the invention is solved as follows: It is given a temperature model that simulates based on a ⁇ senmodells Press many times the thermal conditions in the electric machine. It is recognized the speed and the current of the electrical machine as input variables of the Temperaturmo- dells continuously and at least one, corresponding to a bearing, bearing power loss and / or bearing inner ring temperature continuously tet from the temperature model tilllei ⁇ . A first warning message is issued if a calculated bearing power loss exceeds a predefinable comparison value. In addition, a second Warnmel ⁇ dung is output if a bearing inner ring temperature determined by calculation exceeds a predeterminable temperature difference to an associated calculated bearing outer ring temperature.
- a winding power loss associated with the components of the electrical machine, magnetization power loss and heat output power as well as the bearing power loss as a function of rotational speed and current are derived from the temperature model.
- the thermal conductivity, the specific heat capacity, the electrical conductance and the magnetic loss factor of the respective components of the electric machine can be stored.
- These material-dependent parameters can, for. B. be determined metrologically in experiments or derived from a suitable CAD system.
- the method can advantageously be applied to different types of electrical machines by changing the material-dependent parameters.
- the accuracy may further increase for a bearing outer ring temperature ⁇ are recognized as further input variable the temperature model, at least.
- the respective bearing power loss and / or the furnishedab ⁇ is dell reproducing power such Temperaturmo- tracked in that mathematically ermit coincides possible ⁇ Telte bearing outer ring temperature with the corresponding ER summarized bearing outer ring temperature.
- the calculated bearing power loss can also be normalized to a nominal power loss. This provides a simpler comparison option, especially when the standardized bearing power loss is compared with a predeterminable overload factor.
- the overload factor can advantageously be specified in percentages.
- the predeterminable temperature difference between Lagerringau dry- and Lagerringinnentemperatur is preferably at least 8 0 0 C.
- Such function can ⁇ reduction units as an integrated circuit, insbesonde- re as an application-specific circuit, be formed.
- Such an application-specific circuit can, for. B. a microcontroller or a PLD (Programmable Logic Device).
- an electrical machine For monitoring the storage temperature, an electrical machine preferably has such a monitoring device. Due to the compact design, this z. B. be accommodated in the electrical connection area of the electrical machine.
- FIG. 1 shows a longitudinal section of an electrical machine shown as an example and an exemplary surveil ⁇ monitoring apparatus which form already Temperatursenso ⁇ the electrical machine according to an exemplary of the invention ren is connected, and
- FIG. 2 shows an exemplary functional diagram of a monitoring device for carrying out the method according to an embodiment.
- FIG. 1 shows a longitudinal section of an exemplary dargestell ⁇ th electrical machine 1 and an exemplary monitoring ⁇ device 11, which is already connected to temperature sensors 2, 3, 4 for detecting example two Lagerau jointtemperaturen TALl, TAL2 and a winding temperature TW of the electric machine 1.
- the electrical Ma ⁇ machine 1 can be z. B. be a motor or a generator.
- longitudinal section are still a rotor 7 with a Shaft 9 'and a stator 6 with a winding 5 shown.
- a fan 10 is mounted, which in response to the rotational speed n of the electric machine 1, this cools.
- the shaft 9 'of the electric machine 1 is supported by two bearings 8, 9.
- the two temperature sensors 2, 3 are used to detect the respective bearing outer ring temperature TALl, TAL2. They are therefore placed as close as possible to the respective bearing outer ring 81, 82.
- a further temperature sensor 4 is introduced for detecting the winding temperature TW.
- a temperature sensor 12 for detecting an ambient temperature TU is shown in dashed lines. As described above, this temperature sensor 4 can be dispensed with in many cases.
- the exemplary monitoring device 11 is further connected according to the invention with a tachometer 13 and with an ammeter 14 for detecting the rotational speed n and the current i of the electric machine 1.
- a tachometer 13 and with an ammeter 14 for detecting the rotational speed n and the current i of the electric machine 1.
- the decisive determination of the degree of loading of the electric machine 1 and the associated input of heat power into it occur via this.
- Wl and W2 the first and second warning message are referred to, which are issued in excess ⁇ the permissible values for the bearing power loss and when exceeding the allowable temperature difference between bearing outer ring 81, 82 and bearing inner ring 91, 92.
- the monitoring device 11 preferably has an electronic memory 28, from which the arithmetic unit 21, the machine-specific and material-specific values such. B. the casseroleleitkoeffi- cients ⁇ v and specific thermal conductivity cv can be loaded.
- the calculated and tracked bearing power loss PL ' is compared with a predefinable comparison value.
- the bearing power loss PL ' is normalized by means of a divider 26 to a nominal power loss PN.
- This normalized bearing power loss NPL is then compared by a comparator 24 with an overload ⁇ factor ULF. In the event of exceeding the comparator 24 generates the first warning message Wl, which is then ready for further evaluation at the electrical output 41.
- a subtractor 27 the Diffe ⁇ ence between the calculated bearing inner ring temperature TILI 'and preferably measured bearing outer ring temperature tall.
- the measured bearing outer ring temperature TAL1 it is also possible, instead of the measured bearing outer ring temperature TAL1, to use the calculated bearing outer ring temperature TAL 'for calculating the difference.
- the determined temperature difference is compared with a predeterminable temperature difference .DELTA.T. In the event of exceeding the comparator 25 then generates the second warning message W2, which is available at the electrical output 42 for further evaluation.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007552662A JP2008528901A (ja) | 2005-02-02 | 2006-01-31 | 電気機械の軸受温度の監視 |
US11/815,384 US7652587B2 (en) | 2005-02-02 | 2006-01-31 | Monitoring the bearing temperature of an electrical machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005004862.5 | 2005-02-02 | ||
DE102005004862A DE102005004862A1 (de) | 2005-02-02 | 2005-02-02 | Verfahren zur Überwachung der Temperatur zumindest eines Lagers einer elektrischen Maschine, eine hiermit korrespondierende Überwachungseinrichtung sowie elektrische Maschine mit einer derartigen Überwachungseinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006082190A1 true WO2006082190A1 (de) | 2006-08-10 |
Family
ID=36283840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/050565 WO2006082190A1 (de) | 2005-02-02 | 2006-01-31 | Überwachung der lagertemperatur einer elektrischen maschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US7652587B2 (de) |
JP (1) | JP2008528901A (de) |
DE (1) | DE102005004862A1 (de) |
WO (1) | WO2006082190A1 (de) |
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US8200383B2 (en) * | 2007-11-04 | 2012-06-12 | GM Global Technology Operations LLC | Method for controlling a powertrain system based upon torque machine temperature |
US7755230B2 (en) | 2008-02-06 | 2010-07-13 | Hitachi, Ltd. | Rotary electric machine having cooling device and electric generating system including the machine |
DE602008001366D1 (de) | 2008-02-07 | 2010-07-08 | Hitachi Ltd | Drehende elektrische Maschine |
EP2274591B1 (de) * | 2008-03-05 | 2017-01-11 | Ab Skf | Vorrichtung zur anbringung an ein rotierendes teil einer eisenbahnfahrzeugachse |
US7756669B2 (en) * | 2008-06-18 | 2010-07-13 | Gm Global Technology Operations, Inc. | Systems and methods for estimating temperatures of power module components |
FR2935562A1 (fr) * | 2008-09-03 | 2010-03-05 | Michelin Soc Tech | Agencement de connexions dans une machine electrique tournante. |
DE102009022835B3 (de) * | 2009-05-27 | 2011-03-03 | Schaeffler Kg | Verfahren zur Überwachung des Zustands eines Fanglagers einer Maschine |
DE102010002294A1 (de) * | 2010-02-24 | 2011-08-25 | Siemens Aktiengesellschaft, 80333 | System bzw. Verfahren zur Ermittlung eines Lagerzustandes |
US20120109569A1 (en) * | 2010-10-27 | 2012-05-03 | General Electric Company | Diagnosis of bearing thermal anomalies in an electrical machine |
US20120183247A1 (en) * | 2011-01-14 | 2012-07-19 | Remy Technologies, L.L.C. | Electric machine with integrated bearing temperature sensor |
US8829840B2 (en) * | 2011-04-29 | 2014-09-09 | General Electric Company | Auto-compensating system and method for condition monitoring of electrical machines |
EP2551982B1 (de) * | 2011-07-27 | 2013-09-25 | Siemens Aktiengesellschaft | Thermische Überwachung eines Umrichters |
JP2013150374A (ja) * | 2012-01-17 | 2013-08-01 | Fuji Electric Co Ltd | 回転電機の軸受装置 |
JP2013223284A (ja) * | 2012-04-13 | 2013-10-28 | Toshiba Mitsubishi-Electric Industrial System Corp | 電動機の予防保全装置 |
JP6258130B2 (ja) * | 2014-06-05 | 2018-01-10 | 株式会社日立産機システム | 軸受故障予兆診断装置、軸受故障予兆診断システム、及び軸受故障予兆診断方法 |
DE102015202130A1 (de) * | 2015-02-06 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Baukasten für Lager und Lageranordnung |
DE102015205958A1 (de) * | 2015-04-01 | 2016-10-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Schätzen eines Temperaturbeitrags eines Wechselrichters für eine elektrische Maschine |
DE102015004845A1 (de) | 2015-04-16 | 2016-10-20 | Oerlikon Textile Gmbh & Co. Kg | Verfahren zur Überwachung einer Galette oder Führungsrolle |
DE102018121356A1 (de) * | 2018-08-31 | 2020-03-05 | Valeo Siemens Eautomotive Germany Gmbh | Wechselbare Temperaturerfassungseinheit für einen Stator eines Elektromotors |
EP3623782B1 (de) | 2018-09-14 | 2021-11-10 | Landis+Gyr AG | Überwachung der thermischen leistung eines stromzählers |
DE102019101163B3 (de) | 2019-01-17 | 2020-06-04 | Schaeffler Technologies AG & Co. KG | Elektrische Antriebseinheit und Verfahren zur Temperaturberechnung in einer elektrischen Antriebseinheit |
DE102019202235A1 (de) * | 2019-02-19 | 2020-08-20 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Überwachung einer Temperatur einer elektrischen Maschine und elektrisches Antriebssystem |
CN110307125B (zh) * | 2019-05-14 | 2020-10-09 | 沈阳嘉越电力科技有限公司 | 一种风电机组主轴承内部温度间接测量方法 |
EP3913792A1 (de) * | 2020-05-20 | 2021-11-24 | Siemens Aktiengesellschaft | Anordnung, system und verfahren zur temperaturermittlung einer elektrischen maschine |
CN111693163A (zh) * | 2020-06-02 | 2020-09-22 | 国网河北省电力有限公司邯郸供电分公司 | 一种电力设备的高温预警*** |
CN112242780B (zh) * | 2020-09-29 | 2022-04-12 | 中车永济电机有限公司 | 带转子测温装置的永磁同步电机 |
CN114485977A (zh) * | 2021-12-29 | 2022-05-13 | 中车永济电机有限公司 | 一种测定电机轴承温度分布的模拟装置及方法 |
CN116890264B (zh) * | 2023-09-11 | 2023-12-15 | 季华实验室 | 一种轴承内外圈的温度测量方法及相关设备 |
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DE4138066A1 (de) * | 1991-11-19 | 1992-03-19 | Siemens Ag | Verfahren und vorrichtung zur nachfuehrung eines von einem veraenderlichen betriebszustand abhaengigen prozessparameters |
DE10305368A1 (de) * | 2003-02-10 | 2004-08-19 | Siemens Ag | Elektrische Maschine mit Temperaturüberwachung |
EP1450460A2 (de) * | 2003-02-24 | 2004-08-25 | Lenze Drive Systems GmbH | Verfahren zur Temperaturüberwachung eines Elektromotors |
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2005
- 2005-02-02 DE DE102005004862A patent/DE102005004862A1/de not_active Withdrawn
-
2006
- 2006-01-31 WO PCT/EP2006/050565 patent/WO2006082190A1/de not_active Application Discontinuation
- 2006-01-31 US US11/815,384 patent/US7652587B2/en not_active Expired - Fee Related
- 2006-01-31 JP JP2007552662A patent/JP2008528901A/ja not_active Abandoned
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DE4138066A1 (de) * | 1991-11-19 | 1992-03-19 | Siemens Ag | Verfahren und vorrichtung zur nachfuehrung eines von einem veraenderlichen betriebszustand abhaengigen prozessparameters |
DE10305368A1 (de) * | 2003-02-10 | 2004-08-19 | Siemens Ag | Elektrische Maschine mit Temperaturüberwachung |
EP1450460A2 (de) * | 2003-02-24 | 2004-08-25 | Lenze Drive Systems GmbH | Verfahren zur Temperaturüberwachung eines Elektromotors |
Also Published As
Publication number | Publication date |
---|---|
US20080094231A1 (en) | 2008-04-24 |
JP2008528901A (ja) | 2008-07-31 |
DE102005004862A1 (de) | 2006-08-10 |
US7652587B2 (en) | 2010-01-26 |
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