WO2008044263A1 - Rotary electric unit monitoring apparatus and method of monitoring rotary electric unit - Google Patents
Rotary electric unit monitoring apparatus and method of monitoring rotary electric unit Download PDFInfo
- Publication number
- WO2008044263A1 WO2008044263A1 PCT/JP2006/319951 JP2006319951W WO2008044263A1 WO 2008044263 A1 WO2008044263 A1 WO 2008044263A1 JP 2006319951 W JP2006319951 W JP 2006319951W WO 2008044263 A1 WO2008044263 A1 WO 2008044263A1
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- image data
- rotating electrical
- electrical machine
- housing
- temperature
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
- G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0846—Optical arrangements having multiple detectors for performing different types of detection, e.g. using radiometry and reflectometry channels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0893—Arrangements to attach devices to a pyrometer, i.e. attaching an optical interface; Spatial relative arrangement of optical elements, e.g. folded beam path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
-
- 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
- H02K11/20—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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Definitions
- the present invention relates to an apparatus and a method for monitoring temperature in a casing of a rotating electrical machine covered with a casing that does not transmit light.
- a method for monitoring an abnormality in the temperature of a coil of a rotating electrical machine such as an electric motor
- a method of evaluating the temperature based on the resistance value of the coil is known.
- a method of measuring temperature by installing a sensor such as a resistance thermometer antibody or a thermocouple in the vicinity of the coil is also known.
- Patent Documents 1 to 3 are known as spectroscopic analysis methods.
- Patent Document 1 Japanese Patent Laid-Open No. 6-288922
- Patent Document 2 JP-A-7-198612
- Patent Document 3 Japanese Patent Laid-Open No. 8-201361
- the average temperature of the entire coil can be evaluated, but a local temperature rise cannot be detected.
- the local temperature can be detected, but the temperature measurement position is limited to a specific point. Therefore, this cannot be detected when the temperature becomes abnormally high at other positions.
- the number of sensors is required, which increases the cost. There is.
- the method of detecting a partial discharge signal by electrostatic coupling of a specific one phase of the stator or the method of detecting a pulsed current signal by a high-frequency current transformer has a large influence of external noise. Real-time monitoring is difficult.
- the present invention has been made in view of the above-described background art, and an object thereof is to easily detect at least a temperature abnormality of a rotating electrical machine.
- Another object of the present invention is to easily detect a partial discharge abnormality of a rotating electrical machine almost in real time. Another object of the present invention is to easily analyze the gas in the casing of the rotating electrical machine. Furthermore, another object of the present invention is to perform the above-described various state detections related to the rotating electrical machine with a single device.
- a rotating electrical machine monitoring apparatus is a rotating electrical machine monitoring apparatus that monitors a rotating electrical machine covered with a casing that does not transmit light.
- a monitoring window which is provided so as to pass through a part and which transmits light and does not transmit gas; and a radiant light which is disposed outside the monitoring window and which is generated inside the casing and passes through the monitoring window.
- a camera that receives image data and generates image data, and an arithmetic device that processes the image data.
- the arithmetic device uses, as reference image data, image data based on black body radiation in a reference state in the housing.
- Reference image data storage means for storing, and temperature calculation means for determining the temperature in the housing by comparing the image data with the reference image data.
- the rotating electrical machine monitoring method is a rotating electrical machine monitoring method for monitoring a rotating electrical machine covered with a casing that does not transmit light, and transmits light through a part of the casing and transmits gas.
- a monitoring window that does not transmit light is provided, and a camera that generates image data by receiving radiation that is generated inside the casing and transmitted through the monitoring window is disposed outside the monitoring window, and the casing
- the image data of the black body radiation in the reference state is stored as reference image data, and the temperature in the housing is obtained by comparing the image data with the reference image data.
- At least an abnormality in the temperature of the rotating electrical machine can be easily detected. Further, by utilizing the present invention, it is possible to easily detect a partial discharge abnormality of a rotating electrical machine almost in real time, to easily analyze a gas in a casing of the rotating electrical machine, and to the rotating electrical machine.
- the various states can be detected by one apparatus.
- FIG. 1 is a schematic longitudinal sectional view showing a state in which an embodiment of a rotating electrical machine monitoring device according to the present invention is installed in a rotating electrical machine.
- FIG. 2 is a block diagram showing a configuration of an optical processing unit of the rotating electrical machine monitoring apparatus of FIG. 1 and its surroundings.
- FIG. 3 is an explanatory diagram showing image data and the like in the optical processing section of FIG. 2 and its surroundings.
- FIG. 4 is an enlarged longitudinal sectional view showing an adhesion heater in the rotating electrical machine monitoring apparatus of FIG.
- FIG. 5 is a diagram showing an example of a two-dimensional distribution of incident light to the light processing unit in the case where the object to be heated (auxiliary material) is not heated by the rotating electrical machine monitoring apparatus of FIG.
- FIG. 6 is a graph showing an example of the relationship between the wavelength and the number of electrons in an embodiment of the rotating electrical machine monitoring apparatus according to the present invention.
- FIG. 7 is a graph showing an example of the relationship between the temperature and the difference between the number of electrons at that temperature and the number of electrons at the reference temperature in an embodiment of the rotating electrical machine monitoring apparatus according to the present invention.
- FIG. 8 is a time chart showing an example of a measurement process when heating of the adhesion heater in the rotating electrical machine monitoring apparatus of FIG. 1 is interrupted.
- FIG. 9 is a diagram showing an example of a two-dimensional distribution of incident light to the light processing section when the object to be heated is heated in the rotating electrical machine monitoring apparatus of FIG.
- FIG. 10 is an example of a graph showing the relationship between the number of electrons and the wavelength due to light from the heated object in FIG.
- FIG.11 Compare the data in Fig. 10 with the data specific to the reference temperature and show the relationship between the number of electrons and the wavelength. It is an example of the graph to show.
- FIG. 12 is an example of a graph showing the relationship between the concentration and the number of electrons used to determine the gas concentration based on the data in FIG.
- FIG. 13 is a schematic longitudinal sectional view showing another example of the positional relationship among the monitoring window, the light processing unit, and the camera in the rotating electrical machine monitoring apparatus of FIG. 1.
- FIG. 14 is a schematic longitudinal sectional view showing an example in which a protective cover is attached to the joint portion of the monitoring window, the light processing unit, and the camera in FIG.
- FIG. 15 is a schematic longitudinal sectional view showing an example in which a protective cover different from that shown in FIG. 14 is attached to the joint portion of the monitoring window, the light processing unit, and the camera shown in FIG.
- FIG. 16 is a schematic configuration diagram showing an example of connection between a camera and an arithmetic unit in a modification of the rotating electrical machine monitoring apparatus of FIG. 1.
- Adhesion heater (auxiliary material heating device)
- FIG. 1 is a schematic longitudinal sectional view showing a state in which the rotating electrical machine monitoring device is installed in the rotating electrical machine.
- 2 is a block diagram showing the configuration of the optical processing unit of the rotating electrical machine monitoring device and its periphery
- FIG. 3 is an explanatory diagram showing image data and the like in the optical processing unit and its periphery
- FIG. 4 is the rotating electrical machine. It is an enlarged vertical sectional view showing an auxiliary material heating device (attachment heater) in the monitoring device.
- the rotating electrical machine is, for example, an electric motor, and a stator 2 is disposed in a housing (frame) 1.
- the casing 1 is made of, for example, steel and covers the entire stator 2 so that outside light does not enter the interior.
- An opening is provided in the casing 1 at a position near the end 4 of the stator 2, and a monitoring window 5 is attached so as to close the opening.
- the monitoring window 5 has a structure that transmits light and does not transmit gas, and can withstand an explosion in the case 1.
- An optical processing unit 6 is attached to the outside of the monitoring window 5, and information obtained by the optical processing unit 6 is input to the camera 7 to generate image data.
- the signal from the camera 7 is configured to be sent to the processing unit 9 through the cable 8 for processing.
- the light processing unit 6 includes a photomultiplier tube 10 that increases the received photoelectrons, and the first optical path 20 and the second optical path through which the light exits the photomultiplier tube 10. And an optical distributor 11 that distributes the optical path 21 and the third optical path 22.
- the light processing unit 6 includes a first condenser 12 and a second condenser 13 for condensing the light in the first optical path 20 and the second optical path 21, respectively, and the first condenser
- the first spectroscope 14 and the second spectroscope 15 are provided for separating the light that has passed through the condenser 12 and the second condenser 13 according to their wavelengths.
- the light emitted from the first spectroscope 14 and the second spectroscope 15 is imaged by the first spectroscopic image camera 7a and the second spectroscopic image camera 7b, respectively.
- the light distributed from the light distributor 11 to the third optical path 22 is imaged by the 2D image camera 7c.
- these cameras 7a, 7b, and 7c are collectively displayed as one camera 7.
- the optical distributor 11 is for decomposing each photoelectron, and includes a first partial mirror (a first mirror) 23 and a second partial mirror 24.
- the first partial mirror 23 is translucent over the entire surface, and a part (not necessarily half) of the incident light is transmitted to become the light to the third optical path 22.
- the light that has not passed through the first partial mirror 23 is reflected by the first partial mirror 23 and is incident on the second partial mirror 24.
- the second partial mirror 24 has an opening 24 a at the center thereof, and the central light passing through the opening 24 a passes through the second optical path 21.
- the light incident on the peripheral portion of the second partial mirror 24 does not pass through the opening 24 a, is reflected by the second partial mirror 24, and travels along the first optical path 20.
- the rotating electrical machine monitoring device further includes an adhesion heater 25.
- Adhesive mouth The heater 25 is attached through the housing 1 near the monitoring window 5.
- the adhesion heater 25 includes an electric heater 26 that is inserted and arranged in the housing 1, a heater power source 27 that sends electric power to the electric heater 26, and electric heating.
- the object to be heated 28 is a metal material such as copper or aluminum.
- the heated object 28 is arranged at a position where the camera 7 takes a picture through the monitoring window 5.
- the intensity of radiation (electromagnetic wave) emitted from an object is a function of the surface temperature of the object. Therefore, by measuring the intensity of light emitted from each point on the object surface and comparing this with the intensity of light emitted from the same point at the reference temperature, the current temperature at that point can be estimated.
- the light here includes not only visible light but also electromagnetic waves such as infrared rays and ultraviolet rays.
- the temperature of each part is measured and the partial discharge abnormality is detected based on the principle of operation.
- a portion that emits a strong electromagnetic wave and is considered to be high temperature for example, a portion surrounded by an ellipse B, is located at the high temperature position based on the strength of the electromagnetic wave. Find the temperature.
- the light in the first optical path 20 in FIG. 3 is collected by the first condenser 12 and the spectrum by wavelength is performed by the first spectrometer 14 to select one or more appropriate wavelengths. And it is preferable to compare with the case of reference temperature with the electromagnetic wave component of the same wavelength.
- the wavelength distribution curve 33 of the number of electrons due to radiation at a reference temperature for example, 20 ° C
- the number of electrons due to radiation at the temperature (N ° C) in the measurement state A wavelength distribution 34 can be obtained.
- N> 20 as shown in Fig. 6, the wavelength distribution 34 of the number of electrons due to radiation at the temperature in the measured state is the wavelength distribution curve 33 of the number of electrons due to radiation at the reference temperature (20 ° C).
- the number of electrons is larger than
- the difference between both electrons at a certain wavelength L1 is F1
- the difference between both electrons at another wavelength L2 is F2.
- F1 and F2 will be positive if the measured temperature is higher than the reference temperature.
- the relationship between the difference F1 in the number of electrons at the wavelength L1 and the difference between the measurement temperature and the reference temperature can be drawn, for example, as shown by the solid line 35 in FIG.
- the relationship between the difference in the number of electrons F2 at the wavelength L2 and the difference between the measured temperature and the reference temperature can be drawn as a dotted line 36 in FIG. 7, for example.
- the difference in the number of electrons at the reference temperature (20 ° C) is naturally zero.
- the number of electrons due to radiation can be measured at a reference temperature and a plurality of separately measured temperatures, and FIG. 6 and FIG. 7 can be created and stored. Then, by measuring the number of electrons when measuring the actual rotating electrical machine, the related force in FIG. 7 can be estimated.
- the temperature can be estimated based on the number of electrons for one wavelength, but the temperature can be estimated based on the data for a plurality of wavelengths, and the results can be compared to compare the results. Can increase the sex. For example, the measurement accuracy can be improved by averaging a plurality of temperatures estimated based on these data.
- the adhesion heater 25 is used in combination with other parts of the rotating electrical machine monitoring device such as the light processing unit 6 and the camera 7 to determine the occurrence of gas abnormality and the concentration of the gas in the casing 1 of the rotating electrical machine. is there.
- the heated body (auxiliary material) 28 is attached to the electric heater 26 inserted in the housing 1, and the heated power supply 27 is turned on and off to repeatedly heat and cool the heated body 28. . While the body to be heated 28 is allowed to cool, the gas in the housing 1 adheres to the surface of the body 28 to be heated, and the surface material that has adhered to the surface of the body 28 to be heated by the subsequent heating is the gas. Turn into. By measuring the electromagnetic wave emitted at this time, the gas component and concentration in the housing 1 can be detected.
- FIG. 8 is a time chart showing an example of a measurement process when heating of the adhesion heater 25 is interrupted. As shown in this figure, the object to be heated 28 is repeatedly heated and allowed to cool in a cycle of 10 minutes consisting of, for example, heating for 5 minutes and cooling for 5 minutes. Collection is performed.
- FIG. 9 shows an example of a photoelectron image 71 input to the light processing unit 6 when the measurement is “ON” in FIG.
- the electromagnetic wave emission part corresponding to the heat generation at the end 4 of the stator 2 of the rotating electrical machine including the part surrounded by the ellipse B) and the electromagnetic wave emission part due to abnormal discharge (enclosed by the ellipse A) (Part) is the same as Fig. 5.
- the electromagnetic wave emission part appears in the part surrounded by the ellipse C. This portion corresponds to the emission of electromagnetic waves corresponding to the heat generated by the heated object 28.
- FIG. 10 is an example of a graph showing the relationship between the wavelength and the number of electrons for the data of electromagnetic waves emitted from part C of FIG. 9, ie, the heated object 28.
- This distribution curve is composed of a gentle distribution curve portion 40 similar to the distribution curve in FIG. 6 and a specific sudden rise force S portion 41 at several power wavelengths.
- the gentle distribution curve portion 40 is a distribution curve according to temperature, as in FIG.
- the sudden rising portion 41 is due to radiation corresponding to the substance that is attached to the surface of the heated body 28 and heated and the surface force is also released.
- the wavelength of this specific sharp rising portion 41 (natural peak wavelength) varies depending on the type of gas. So this rising By examining the wavelength of portion 41, the type of gas can be determined.
- FIG. 11 is an example of a graph showing the relationship between the number of electrons and the wavelength by comparing the data in FIG. 10 with data specific to the reference temperature.
- the intrinsic number of electrons Dl, D2, and D3 for each wavelength Ql, Q2, and Q3.
- By measuring the number of electrons due to electromagnetic wave generation in an actual rotating electrical machine and comparing this with the calibration curve it can be converted to a gas concentration corresponding to a specific wavelength.
- the electric heater 26 and the heated object 28 are separated from each other.
- the electric heater 26 and the heated object 28 are connected to each other by using the heated object 28 itself as an electric resistor. It may be the same.
- an alarm may be issued when a temperature abnormality of a rotating electrical machine, a discharge abnormality, a gas abnormality in a casing, or the like is detected.
- FIG. 13 shows a modification of the structure in which the optical processing unit 6 of the rotating electrical machine monitoring apparatus shown in FIG. 1 is attached to the monitoring window 5.
- the light processing unit 6 is attached to the monitoring window 5 in an oblique direction.
- the mounting tool 50 is attached to the housing 1 or the monitoring window 5 so that the light of the mounting portion does not leak out.
- a junction protective cover 51 is further arranged so as to cover the junction between the monitoring window 5 and the light processing unit 6 and the junction between the light processing unit 6 and the camera 7.
- FIG. 15 shows a modification of the structure of FIG.
- FIG. 16 shows an example in which the signal path between the camera 7 and the arithmetic unit 9 is different from those shown in FIGS.
- the transmitter 60 is disposed on the camera 7 side
- the receiver 61 is disposed on the arithmetic device 9 side
- the transmission path 62 connects the transmitter 60 and the receiver 61.
- the transmission path 62 may be wireless.
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Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020097007748A KR101041516B1 (ko) | 2006-10-05 | 2006-10-05 | 회전 전기 감시 장치 및 회전 전기 감시 방법 |
| AU2006349227A AU2006349227B2 (en) | 2006-10-05 | 2006-10-05 | Mechanism of monitoring unit of electric rotating machinery and monitoring method of electric rotating machinery |
| JP2008538504A JPWO2008044263A1 (ja) | 2006-10-05 | 2006-10-05 | 回転電機監視装置および回転電機監視方法 |
| US12/444,311 US8308354B2 (en) | 2006-10-05 | 2006-10-05 | Mechanism of monitoring unit of electric rotating machinery and monitoring method of electric rotating machinery |
| CN2006800560168A CN101517872B (zh) | 2006-10-05 | 2006-10-05 | 旋转电机监视装置及旋转电机监视方法 |
| PCT/JP2006/319951 WO2008044263A1 (en) | 2006-10-05 | 2006-10-05 | Rotary electric unit monitoring apparatus and method of monitoring rotary electric unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/319951 WO2008044263A1 (en) | 2006-10-05 | 2006-10-05 | Rotary electric unit monitoring apparatus and method of monitoring rotary electric unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008044263A1 true WO2008044263A1 (en) | 2008-04-17 |
Family
ID=39282475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/319951 Ceased WO2008044263A1 (en) | 2006-10-05 | 2006-10-05 | Rotary electric unit monitoring apparatus and method of monitoring rotary electric unit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8308354B2 (ja) |
| JP (1) | JPWO2008044263A1 (ja) |
| KR (1) | KR101041516B1 (ja) |
| CN (1) | CN101517872B (ja) |
| AU (1) | AU2006349227B2 (ja) |
| WO (1) | WO2008044263A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010015269A1 (de) * | 2008-08-07 | 2010-02-11 | Siemens Aktiengesellschaft | Verfahren zum überwachen des betriebszustands einer elektrischen maschine, anordnung mit einer elektrischen maschine sowie infrarot-sensor |
| JP2021056050A (ja) * | 2019-09-27 | 2021-04-08 | Jfeスチール株式会社 | 電動回転機の絶縁体劣化診断装置及び絶縁体劣化診断方法 |
| JP2021132480A (ja) * | 2020-02-20 | 2021-09-09 | 株式会社日立製作所 | 電動機システム及び放電検出方法 |
| US20240118139A1 (en) * | 2020-12-15 | 2024-04-11 | Arcelormittal | Estimation of the temperature of a steel product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8348499B2 (en) * | 2010-01-12 | 2013-01-08 | Dow Global Technologies Llc | Method of testing spiral wound modules by thermal imaging |
| EP2690761A1 (de) * | 2012-07-24 | 2014-01-29 | Siemens Aktiengesellschaft | Überwachungssystem für eine elektrische Maschine |
| GB2564015B (en) * | 2016-06-30 | 2019-07-24 | Sevcon Ltd | Methods and apparatus for controlling an electric motor |
| CN109163810B (zh) * | 2018-10-15 | 2020-06-09 | 北京环境特性研究所 | 高温转子辐射测温装置及方法 |
| EP3739732A1 (de) * | 2019-05-17 | 2020-11-18 | Siemens Aktiengesellschaft | Dynamoelektrische maschine mit einem spektralen überwachungssystem |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS589068U (ja) * | 1981-07-10 | 1983-01-20 | 株式会社東芝 | 回転電機の温度検出装置 |
| JP2005274520A (ja) * | 2004-03-26 | 2005-10-06 | Mitsubishi Electric Corp | 回転電機の回転体の温度計測装置および温度計測方法 |
| JP2005291711A (ja) * | 2004-03-31 | 2005-10-20 | Nagoya Industrial Science Research Inst | 放射温度計の較正方法および較正装置 |
| JP2006098270A (ja) * | 2004-09-30 | 2006-04-13 | Jfe Steel Kk | 交流回転機の保全方法 |
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| JPS589068A (ja) | 1981-07-10 | 1983-01-19 | Eiken Kagaku Kk | エストリオ−ル−16α−グルクロニドの免疫化学的測定法 |
| JPH06288922A (ja) | 1993-03-31 | 1994-10-18 | Toshiba Joho Seigyo Syst Kk | 分析装置 |
| JPH07198612A (ja) | 1993-12-29 | 1995-08-01 | Toshiba Joho Seigyo Syst Kk | 成分分析装置 |
| JP3346933B2 (ja) | 1995-01-24 | 2002-11-18 | 東芝アイティー・コントロールシステム株式会社 | 分析装置 |
| FR2743153B1 (fr) * | 1995-12-29 | 1998-03-27 | Brun Michel | Hublot de visee, notamment pour controle de la temperature d'objets par thermographie infrarouge |
| US7690840B2 (en) * | 1999-12-22 | 2010-04-06 | Siemens Energy, Inc. | Method and apparatus for measuring on-line failure of turbine thermal barrier coatings |
| US6838670B2 (en) | 2002-11-12 | 2005-01-04 | Siemens Westinghouse Power Corporation | Methods and system for ultrasonic thermographic non-destructive examination for enhanced defect determination |
| US7887234B2 (en) * | 2006-10-20 | 2011-02-15 | Siemens Corporation | Maximum blade surface temperature estimation for advanced stationary gas turbines in near-infrared (with reflection) |
| CN102859557B (zh) * | 2010-06-03 | 2016-06-29 | 光谱系统公司 | 使用温度调制的红外检测的货币适宜性及磨损检测 |
| US20120170611A1 (en) * | 2010-10-28 | 2012-07-05 | General Electric Company | Smart radiation thermometry system for real time gas turbine control and prognosis |
-
2006
- 2006-10-05 US US12/444,311 patent/US8308354B2/en active Active
- 2006-10-05 KR KR1020097007748A patent/KR101041516B1/ko active Active
- 2006-10-05 JP JP2008538504A patent/JPWO2008044263A1/ja not_active Withdrawn
- 2006-10-05 AU AU2006349227A patent/AU2006349227B2/en active Active
- 2006-10-05 CN CN2006800560168A patent/CN101517872B/zh active Active
- 2006-10-05 WO PCT/JP2006/319951 patent/WO2008044263A1/ja not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589068U (ja) * | 1981-07-10 | 1983-01-20 | 株式会社東芝 | 回転電機の温度検出装置 |
| JP2005274520A (ja) * | 2004-03-26 | 2005-10-06 | Mitsubishi Electric Corp | 回転電機の回転体の温度計測装置および温度計測方法 |
| JP2005291711A (ja) * | 2004-03-31 | 2005-10-20 | Nagoya Industrial Science Research Inst | 放射温度計の較正方法および較正装置 |
| JP2006098270A (ja) * | 2004-09-30 | 2006-04-13 | Jfe Steel Kk | 交流回転機の保全方法 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010015269A1 (de) * | 2008-08-07 | 2010-02-11 | Siemens Aktiengesellschaft | Verfahren zum überwachen des betriebszustands einer elektrischen maschine, anordnung mit einer elektrischen maschine sowie infrarot-sensor |
| JP2021056050A (ja) * | 2019-09-27 | 2021-04-08 | Jfeスチール株式会社 | 電動回転機の絶縁体劣化診断装置及び絶縁体劣化診断方法 |
| JP7127629B2 (ja) | 2019-09-27 | 2022-08-30 | Jfeスチール株式会社 | 電動回転機の絶縁体劣化診断装置及び絶縁体劣化診断方法 |
| JP2021132480A (ja) * | 2020-02-20 | 2021-09-09 | 株式会社日立製作所 | 電動機システム及び放電検出方法 |
| JP7358271B2 (ja) | 2020-02-20 | 2023-10-10 | 株式会社日立製作所 | 電動機システム及び放電検出方法 |
| US20240118139A1 (en) * | 2020-12-15 | 2024-04-11 | Arcelormittal | Estimation of the temperature of a steel product |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2006349227A1 (en) | 2008-04-17 |
| AU2006349227B2 (en) | 2011-04-07 |
| CN101517872B (zh) | 2012-06-27 |
| CN101517872A (zh) | 2009-08-26 |
| US20100135354A1 (en) | 2010-06-03 |
| KR20090055033A (ko) | 2009-06-01 |
| US8308354B2 (en) | 2012-11-13 |
| JPWO2008044263A1 (ja) | 2010-02-04 |
| KR101041516B1 (ko) | 2011-06-16 |
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