CN117294220A - Temperature determining method and device for high-speed motor stator and electronic equipment - Google Patents
Temperature determining method and device for high-speed motor stator and electronic equipment Download PDFInfo
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- CN117294220A CN117294220A CN202311245779.9A CN202311245779A CN117294220A CN 117294220 A CN117294220 A CN 117294220A CN 202311245779 A CN202311245779 A CN 202311245779A CN 117294220 A CN117294220 A CN 117294220A
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- temperature
- speed motor
- motor stator
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- physical value
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000013507 mapping Methods 0.000 claims abstract description 47
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The disclosure provides a temperature determining method and device for a high-speed motor stator and electronic equipment, and relates to the technical field of high-speed motor monitoring, wherein the method comprises the following steps: acquiring a temperature mapping relation of a target high-speed motor stator; measuring a target physical value of the target high-speed motor stator; and calculating the temperature of the target high-speed motor stator based on the temperature mapping relation and the target physical value. Therefore, the temperature mapping relation of the target high-speed motor stator is established and determined, so that the accurate measurement of the temperature of the target high-speed motor stator can be realized by monitoring the target physical value of the target high-speed motor stator, and the measurement difficulty and the measurement cost are reduced.
Description
Technical Field
The disclosure relates to the technical field of high-speed motor monitoring, in particular to a temperature determining method and device for a high-speed motor stator and electronic equipment.
Background
With the development of modern turbomachinery, an air bearing and an electromagnetic bearing are put into use, the turbomachinery has the precondition of being capable of achieving high rotation speed, and the efficiency requirement of a user is improved.
In a typical high-speed air compressor, due to the improvement of power density, a motor is usually cooled by water or oil, and a motor stator is usually provided with a temperature sensor for measuring the temperature in real time.
Disclosure of Invention
The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.
To this end, it is an object of the present disclosure to propose a temperature determination method of a stator of a high-speed motor.
A second object of the present disclosure is to provide a temperature determining apparatus for a stator of a high-speed motor.
A third object of the present disclosure is to propose an electronic device.
A fourth object of the present disclosure is to propose a non-transitory computer readable storage medium.
A fifth object of the present disclosure is to propose a computer programme product.
To achieve the above object, an embodiment of a first aspect of the present disclosure provides a temperature determining method for a stator of a high-speed motor, including: acquiring a temperature mapping relation of a target high-speed motor stator; measuring a target physical value of the target high-speed motor stator; and calculating the temperature of the target high-speed motor stator based on the temperature mapping relation and the target physical value.
According to one embodiment of the present disclosure, the temperature determining method of the high-speed motor stator further includes:
according to one embodiment of the present disclosure, the temperature determining method of the high-speed motor stator further includes:
according to one embodiment of the present disclosure, the temperature mapping relationship includes a temperature coefficient of the target high-speed motor stator, and the obtaining the temperature mapping relationship of the target high-speed motor stator includes: acquiring an initial set temperature and a target set temperature; measuring a first physical value of the target high-speed motor stator at an initial set temperature and a second physical value of the target high-speed motor stator at a target set temperature; the temperature coefficient of the target high-speed motor stator is calculated based on the first physical value, the second physical value, the initial set temperature, and the target set temperature.
According to one embodiment of the present disclosure, the formula for calculating the temperature coefficient of the target high-speed motor stator based on the first physical value, the second physical value, the initial set temperature, and the target set temperature is: k= [ (P) 2 -P 1 )/(t-t 0 )]/P 1 Wherein the K is the temperature coefficient and the P 2 For the second physical value, the P 1 For the first physical value, t is the target set temperature, t is 0 And setting the temperature for the initial setting.
According to one embodiment of the present disclosure, the temperature mapping relationship includes a temperature mapping table of the target high-speed motor stator, and the obtaining the temperature mapping relationship of the target high-speed motor stator includes: acquiring a plurality of preset measurement temperatures; measuring candidate physical values of the target high-speed motor stator at each preset measurement temperature respectively; and generating a temperature mapping table of the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value.
According to one embodiment of the disclosure, the generating the temperature map of the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value includes: acquiring working condition data of the target high-speed motor stator; and generating a working condition label based on the working condition data, and generating a temperature mapping table of the target high-speed motor stator under the current working condition with each preset measured temperature and the corresponding candidate physical value.
According to one embodiment of the present disclosure, the target physical value is a resistance value or an inductance value of the target high-speed motor stator.
According to one embodiment of the present disclosure, the calculating the temperature of the target high-speed motor stator based on the temperature map and the target physical value includes: and dividing the target physical value by the temperature coefficient to calculate the temperature of the target high-speed motor stator.
To achieve the above object, a second aspect of the present disclosure provides a temperature determining apparatus for a stator of a high-speed motor, including:
according to one embodiment of the present disclosure, the temperature determining device of the high-speed motor stator is further configured to: the acquisition module is used for acquiring the temperature mapping relation of the target high-speed motor stator; the measuring module is used for measuring the target physical value of the target high-speed motor stator; and the calculating module is used for calculating the temperature of the target high-speed motor stator based on the temperature mapping relation and the target physical value.
To achieve the above object, an embodiment of a third aspect of the present disclosure provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to implement a method of determining a temperature of a stator of a high speed motor according to an embodiment of the first aspect of the present disclosure.
To achieve the above object, a fourth aspect embodiment of the present disclosure proposes a non-transitory computer-readable storage medium storing computer instructions for implementing a temperature determining method of a high-speed motor stator according to the first aspect embodiment of the present disclosure.
To achieve the above object, an embodiment of a fifth aspect of the present disclosure proposes a computer program product comprising a computer program for implementing a method of determining a temperature of a stator of a high-speed motor according to an embodiment of the first aspect of the present disclosure when being executed by a processor.
Therefore, the temperature mapping relation of the target high-speed motor stator is established and determined, so that the accurate measurement of the temperature of the target high-speed motor stator can be realized by monitoring the target physical value of the target high-speed motor stator, and the measurement difficulty and the measurement cost are reduced.
Drawings
FIG. 1 is a schematic illustration of a method of determining temperature of a stator of a high speed electric motor according to one embodiment of the present disclosure;
FIG. 2 is a schematic illustration of another method of determining temperature of a stator of a high speed motor according to one embodiment of the present disclosure;
FIG. 3 is a schematic illustration of another method of determining temperature of a stator of a high speed motor according to one embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a temperature determining apparatus for a stator of a high speed motor according to one embodiment of the present disclosure;
fig. 5 is a schematic diagram of an electronic device according to one embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present disclosure and are not to be construed as limiting the present disclosure.
The data acquisition, storage, use, processing and the like in the technical scheme of the present disclosure all conform to the relevant regulations of the national laws and regulations.
Fig. 1 is a schematic diagram of an exemplary embodiment of a method for determining a temperature of a high-speed motor stator according to the present disclosure, as shown in fig. 1, the method for determining a temperature of a high-speed motor stator includes the following steps:
s101, acquiring a temperature mapping relation of a target high-speed motor stator.
The method for determining the temperature of the high-speed motor stator according to the embodiment of the application can be applied to a scene of measuring the temperature of the high-speed motor stator, and an execution subject of the method for determining the temperature of the high-speed motor stator according to the embodiment of the application can be the device for determining the temperature of the high-speed motor stator according to the embodiment of the application, and the device for determining the temperature of the high-speed motor stator can be arranged on electronic equipment.
It should be noted that, the temperature mapping relationship is a mapping relationship between a target physical value of the target high-speed motor stator and a temperature of the target high-speed motor stator, and the target physical value may be various, and is not limited at all, and may be specifically limited according to actual design requirements. For example, the target physical value may be a resistance value, an inductance value, a current value, etc. of the target high-speed motor stator.
It should be noted that, the temperature mapping relationships corresponding to the high-speed motor stators of different models may be different. Therefore, the temperature map of the present disclosure needs to be determined and obtained from the actual high-speed motor stator.
In the embodiment of the present disclosure, the method for obtaining the temperature mapping relationship of the target high-speed motor stator may be various, and is not limited herein.
Optionally, the temperature mapping relation of the target high-speed motor stator can be set in advance, and the target high-speed motor stator is directly called when in use.
Alternatively, the temperature map of the target high-speed motor stator may also be obtained through experiments.
S102, measuring a target physical value of a target high-speed motor stator.
In the embodiment of the disclosure, the target physical value of the stator of the target high-speed motor can be measured and obtained through the measuring device. It should be noted that, the measurement of the target physical value of the target high-speed motor stator may be performed when the target high-speed motor stator is in operation, or may be performed in time after the target high-speed motor stator stops rotating.
And S103, calculating the temperature of the stator of the target high-speed motor based on the temperature mapping relation and the target physical value.
In the embodiment of the disclosure, firstly, a temperature mapping relation of a target high-speed motor stator is obtained, then, a target physical value of the target high-speed motor stator is measured, and finally, the temperature of the target high-speed motor stator is calculated based on the temperature mapping relation and the target physical value. Therefore, the temperature mapping relation of the target high-speed motor stator is established and determined, so that the accurate measurement of the temperature of the target high-speed motor stator can be realized by monitoring the target physical value of the target high-speed motor stator, and the measurement difficulty and the measurement cost are reduced.
In the above embodiment, the temperature mapping relationship includes a temperature coefficient of the target speed motor stator, and the method may further be explained by fig. 2, where the method includes:
s201, acquiring an initial set temperature and a target set temperature.
In the embodiment of the disclosure, the initial set temperature and the target set temperature are set in advance, and can be changed according to actual design requirements. Wherein the initial set temperature is the minimum set temperature when the temperature coefficient is determined, and the target set temperature is the maximum set temperature when the temperature coefficient is determined.
In one possible implementation, the initial set temperature and the target set temperature may be 25 ℃ and 200 ℃, respectively.
S202, measuring a first physical value of the target speed motor stator at an initial set temperature and a second physical value of the target speed motor stator at the target set temperature.
In the embodiment of the disclosure, for convenience of testing, the first physical value and the second physical value may be determined by using alternative materials to the same material for the target high speed motor stator. For example, when the target high speed motor stator is copper material, the first physical value at the initial set temperature and the second physical value at the target set temperature can be measured by taking the same batch of copper wire 1m long.
S203, calculating the temperature coefficient of the target high-speed motor stator based on the first physical value, the second physical value, the initial set temperature and the target set temperature.
In the embodiment of the present disclosure, a formula for calculating a temperature coefficient of a target high-speed motor stator based on a first physical value, a second physical value, an initial set temperature, and a target set temperature is:
K＝[(P 2 -P 1 )/(t-t 0 )]/P 1
wherein K is a temperature coefficient, P 2 For the second physical value, P 1 For the first physical value, t is the target set temperature, t 0 Is the initial set temperature.
In the above embodiment, the temperature mapping relationship includes a temperature mapping table of the target speed motor stator, and the method may further be explained by fig. 3, where the method includes:
s301, acquiring a plurality of preset measurement temperatures.
In the embodiment of the disclosure, the plurality of preset measured temperatures are preset in advance, and may be changed according to actual design requirements, which is not limited in any way.
For example, the plurality of preset measured temperatures may be 30 ℃, 40 ℃, 50 ℃, 60 ℃, 70 ℃, 80 ℃, 90 ℃, 100 ℃, 110 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃, 170 ℃, 180 ℃.
S302, respectively measuring candidate physical values of the target high-speed motor stator at each preset measurement temperature.
S303, generating a temperature mapping table of the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value.
It should be noted that, the temperature mapping tables of the target high-speed motor stator under different working conditions may be different, so that in order to accurately distinguish the working conditions, a more accurate temperature mapping table is called. The method can also acquire working condition data of the target high-speed motor stator, generate a working condition label based on the working condition data, and generate a temperature mapping table of the target high-speed motor stator under the current working condition with each preset measured temperature and the corresponding candidate physical value.
In the embodiment of the disclosure, the temperature of the target high-speed motor stator is calculated based on the temperature mapping relation and the target physical value, and the target physical value and the temperature coefficient can be divided to calculate the temperature of the target high-speed motor stator.
In correspondence with the temperature determining method of the high-speed motor stator provided in the above-described several embodiments, an embodiment of the present disclosure further provides a temperature determining apparatus of the high-speed motor stator, and since the temperature determining apparatus of the high-speed motor stator provided in the embodiment of the present disclosure corresponds to the temperature determining method of the high-speed motor stator provided in the above-described several embodiments, implementation of the temperature determining method of the high-speed motor stator is also applicable to the temperature determining apparatus of the high-speed motor stator provided in the embodiment of the present disclosure, and will not be described in detail in the following embodiments.
Fig. 4 is a schematic diagram of a temperature determining device for a high-speed motor stator according to the present disclosure, as shown in fig. 4, the temperature determining device 400 for a high-speed motor stator includes: an acquisition module 410, a measurement module 420, and a calculation module 430.
The obtaining module 410 is configured to obtain a temperature mapping relationship of the target high-speed motor stator.
And the measurement module 420 is used for measuring the target physical value of the target high-speed motor stator.
The calculating module 430 is configured to calculate a temperature of the stator of the target high-speed motor based on the temperature mapping relation and the target physical value.
In the embodiment of the present disclosure, the temperature mapping relationship includes a temperature coefficient of the target high-speed motor stator, and the obtaining module 410 is further configured to: acquiring an initial set temperature and a target set temperature; measuring a first physical value of the target high-speed motor stator at an initial set temperature and a second physical value of the target high-speed motor stator at the target set temperature; and calculating the temperature coefficient of the target high-speed motor stator based on the first physical value, the second physical value, the initial set temperature and the target set temperature.
In the embodiment of the present disclosure, a formula for calculating a temperature coefficient of a target high-speed motor stator based on a first physical value, a second physical value, an initial set temperature, and a target set temperature is: k= [ (P) 2 -P 1 )/(t-t 0 )]/P 1 Wherein K is a temperature coefficient, P 2 For the second physical value, P 1 For the first physical value, t is the target set temperature, t 0 Is the initial set temperature.
In the embodiment of the present disclosure, the temperature mapping relationship includes a temperature mapping table of the target high-speed motor stator, and the obtaining module 410 is further configured to: acquiring a plurality of preset measurement temperatures; respectively measuring candidate physical values of the target high-speed motor stator at each preset measurement temperature; and generating a temperature mapping table of the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value.
In the embodiment of the present disclosure, the obtaining module 410 is further configured to: acquiring working condition data of a target high-speed motor stator; and generating a working condition label based on the working condition data, and generating a temperature mapping table of the target high-speed motor stator under the current working condition with each preset measured temperature and the corresponding candidate physical value.
In the disclosed embodiment, the target physical value is a resistance value or an inductance value of the target high-speed motor stator.
In the disclosed embodiment, the computing module 430 is further configured to: and dividing the target physical value by the temperature coefficient to calculate the temperature of the stator of the target high-speed motor.
Therefore, the temperature mapping relation of the target high-speed motor stator is established and determined, so that the accurate measurement of the temperature of the target high-speed motor stator can be realized by monitoring the target physical value of the target high-speed motor stator, and the measurement difficulty and the measurement cost are reduced.
In order to implement the above embodiments, the embodiments of the present disclosure further provide an electronic device 500, as shown in fig. 5, where the electronic device 500 includes: the processor 501 and the memory 502 communicatively coupled to the processor, the memory 502 storing instructions executable by the at least one processor, the instructions being executable by the at least one processor 501 to implement a method of determining a temperature of a stator of a high speed motor as an embodiment of the first aspect of the present disclosure.
To achieve the above-described embodiments, the embodiments of the present disclosure also propose a non-transitory computer readable storage medium storing computer instructions for causing a computer to implement a temperature determining method of a high-speed motor stator as the embodiments of the first aspect of the present disclosure.
In order to achieve the above-described embodiments, the disclosed embodiments also propose a computer program product comprising a computer program which, when executed by a processor, implements a method of determining the temperature of a stator of a high-speed motor as in the embodiments of the first aspect of the disclosure.
In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present disclosure.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.
Claims (10)
1. A method of determining a temperature of a stator of a high speed motor, comprising:
acquiring a temperature mapping relation of a target high-speed motor stator;
measuring a target physical value of the target high-speed motor stator;
and calculating the temperature of the target high-speed motor stator based on the temperature mapping relation and the target physical value.
2. The method of claim 1, wherein the temperature map includes a temperature coefficient of the target high speed motor stator, and wherein the obtaining the temperature map of the target high speed motor stator includes:
acquiring an initial set temperature and a target set temperature;
measuring a first physical value of the target high-speed motor stator at an initial set temperature and a second physical value of the target high-speed motor stator at a target set temperature;
the temperature coefficient of the target high-speed motor stator is calculated based on the first physical value, the second physical value, the initial set temperature, and the target set temperature.
3. The method of claim 2, wherein the formula for calculating the temperature coefficient of the target high-speed motor stator based on the first physical value, the second physical value, the initial set temperature, and the target set temperature is:
K＝[(P 2 -P 1 )/(t-t 0 )]/P 1
wherein the saidK is the temperature coefficient, P 2 For the second physical value, the P 1 For the first physical value, t is the target set temperature, t is 0 And setting the temperature for the initial setting.
4. The method of claim 1, wherein the temperature map includes a temperature map of the target high speed motor stator, and the obtaining the temperature map of the target high speed motor stator includes:
acquiring a plurality of preset measurement temperatures;
measuring candidate physical values of the target high-speed motor stator at each preset measurement temperature respectively;
and generating a temperature mapping table of the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value.
5. The method of claim 4, wherein generating the temperature map for the target high-speed motor stator based on each preset measured temperature and the corresponding candidate physical value comprises:
acquiring working condition data of the target high-speed motor stator;
and generating a working condition label based on the working condition data, and generating a temperature mapping table of the target high-speed motor stator under the current working condition with each preset measured temperature and the corresponding candidate physical value.
6. The method of any one of claims 1-5, wherein the target physical value is a resistance value or an inductance value of the target high speed motor stator.
7. The method of claim 2, wherein the calculating the temperature of the target high-speed motor stator based on the temperature map and the target physical value comprises:
and dividing the target physical value by the temperature coefficient to calculate the temperature of the target high-speed motor stator.
8. A temperature determining apparatus for a stator of a high-speed motor, comprising:
the acquisition module is used for acquiring the temperature mapping relation of the target high-speed motor stator;
the measuring module is used for measuring the target physical value of the target high-speed motor stator;
and the calculating module is used for calculating the temperature of the target high-speed motor stator based on the temperature mapping relation and the target physical value.
9. An electronic device, comprising a memory and a processor;
wherein the processor runs a program corresponding to executable program code stored in the memory by reading the executable program code for implementing the method according to any one of claims 1-7.
10. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311245779.9A CN117294220A (en) | 2023-09-25 | 2023-09-25 | Temperature determining method and device for high-speed motor stator and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311245779.9A CN117294220A (en) | 2023-09-25 | 2023-09-25 | Temperature determining method and device for high-speed motor stator and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117294220A true CN117294220A (en) | 2023-12-26 |
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ID=89256686
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311245779.9A Pending CN117294220A (en) | 2023-09-25 | 2023-09-25 | Temperature determining method and device for high-speed motor stator and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117294220A (en) |
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2023
- 2023-09-25 CN CN202311245779.9A patent/CN117294220A/en active Pending
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