CN111812510B - Method for testing output load of rim-driven shielding motor - Google Patents
Method for testing output load of rim-driven shielding motor Download PDFInfo
- Publication number
- CN111812510B CN111812510B CN202010619334.2A CN202010619334A CN111812510B CN 111812510 B CN111812510 B CN 111812510B CN 202010619334 A CN202010619334 A CN 202010619334A CN 111812510 B CN111812510 B CN 111812510B
- Authority
- CN
- China
- Prior art keywords
- rim
- motor
- shielding motor
- driving shielding
- testing
- 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.)
- Active
Links
Images
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Abstract
The embodiment of the invention relates to the technical field of rim-driven shielding motors, and provides a method for testing output loads of a rim-driven shielding motor. The method for testing the output load of the rim-driven shielding motor provided by the embodiment of the invention comprises the following steps: assembling a testing device in the vertical direction of the wheel rim driving shielding motor; assembling a sealing cover at the top of the wheel rim driving shielding motor, and introducing cooling water into the wheel rim driving shielding motor through the sealing cover so as to cool the wheel rim driving shielding motor in the operation process; and measuring and calculating the output load of the wheel flange driving shielding motor. According to the method for testing the output load of the rim-driven shielding motor, provided by the embodiment of the invention, the rotating part of the rim-driven shielding motor is modified and connected with the testing device, so that the technical problem that the traditional motor performance testing method cannot be applied to the rim-driven shielding motor is solved, and a new method is provided for the performance testing of the rim-driven shielding motor.
Description
Technical Field
The invention relates to the technical field of rim-driven shielding motors, in particular to a method for testing output loads of a rim-driven shielding motor.
Background
The electromechanical integrated advanced pump equipment taking the integrated pipeline pump as an example integrates the motor and the impeller into a whole, so that the volume and the weight of the pump equipment are greatly reduced, and the motor is in a wheel rim driving shielding motor. Compared with the traditional pump type equipment, the rim-driven shielding motor directly acts torque on the impeller, the rim-driven shielding motor does not have a traditional transmission shaft, and the applied torque measuring method is quite different from that of the traditional motor. In addition, the self-cooling is formed by the working medium driven by the pump at any time to ensure that the temperature of the shielding motor does not exceed the design value, so that the traditional motor performance test method cannot be directly applied to the performance test of the rim-driven shielding motor.
Therefore, a test method suitable for the rim driving shielding motor is developed, a performance test is carried out on the rim driving shielding motor under the condition that the safety of the rim driving shielding motor is ensured, and the performance of the rim driving shielding motor is absolutely measured accurately.
Disclosure of Invention
In order to solve the problem that a traditional motor performance test method in the prior art is difficult to be applied to a performance test of a rim driving shielding motor, the embodiment of the invention provides a method for testing an output load of the rim driving shielding motor.
According to one embodiment of the invention, the method for testing the output load of the rim-driven shield motor comprises the following steps: assembling a testing device in the vertical direction of the wheel rim driving shielding motor; assembling a sealing cover at the top of the wheel rim driving shielding motor, and introducing cooling water into the wheel rim driving shielding motor through the sealing cover so as to cool the wheel rim driving shielding motor in the operation process; and measuring and calculating the output load of the wheel flange driving shielding motor.
According to an embodiment of the present invention, before the step of assembling the testing device in the vertical direction of the rim-driven shield motor, the method further comprises: and modifying the rotating part of the rim driving shielding motor so as to match the rotating part with the testing device.
According to an embodiment of the present invention, before the step of assembling the sealing cover on the top of the rim-driven shield motor, the method further comprises: and mounting a first sealing piece on the sealing cover, mounting a second sealing piece on the wheel rim driving shielding motor, and enabling the first sealing piece to be in contact with the second sealing piece so as to seal the wheel rim driving shielding motor.
According to an embodiment of the present invention, the testing apparatus includes a transmission shaft, a first coupling and a torque meter, which are sequentially arranged in series, and the testing method further includes: and connecting the transmission shaft with the rim driving shielding motor so as to transmit the output torque of the rim driving shielding motor to the torque meter through the transmission shaft, so that the torque meter measures the output torque of the rim driving shielding motor.
According to one embodiment of the invention, further comprising connecting the drive shaft to the rotating member.
According to an embodiment of the invention, the testing apparatus further comprises a second coupling, a transmission, a third coupling and a hydraulic dynamometer, which are arranged in series in this order, and the testing method further comprises: and connecting the second coupling with the torque meter, so that the output torque in the vertical direction generated by the rim driving shielding motor is converted into the output torque in the horizontal direction after passing through the second coupling, the transmission and the third coupling, and the hydraulic dynamometer is used for consuming the output torque in the horizontal direction.
According to one embodiment of the present invention, the output torque in the vertical direction generated by the rim-driven shield motor is converted into the output torque in the horizontal direction by the transmission.
According to one embodiment of the invention, the rim-driven shielding motor comprises a stator shell and the rotating part, wherein the rotating part is sleeved inside the stator shell, and an air gap is formed between the rotating part and the stator shell.
According to one embodiment of the invention, a water inlet flow channel, an annular water cavity and a water outlet flow channel which are sequentially communicated are formed in the sealing cover, wherein the water outlet flow channel is communicated with the air gap so as to introduce the cooling water into the air gap to cool the rim driving shielding motor.
According to an embodiment of the present invention, the step of measuring an output load of the rim-driven shield motor further comprises: reading the value of the output torque generated by the rim driving shielding motor measured by the torque meter; measuring and calculating the friction loss generated by cooling water flowing through the air gap; measuring and calculating friction loss generated by the first sealing element and the second sealing element in the transmission process; and measuring and calculating transmission loss generated by the first coupling in the transmission process.
According to the method for testing the output load of the rim driving shielding motor, provided by the embodiment of the invention, the rotating part of the rim driving shielding motor is modified and connected with the testing device so as to test the performance. Meanwhile, the sealing cover is arranged on the rim driving shielding motor, so that cooling water enters the inside of the rim driving shielding motor through the sealing cover to cool the rim driving shielding motor, the working condition requirement of the rim driving shielding motor is met, the performance test can be carried out on the rim driving shielding motor under the condition of ensuring the safe operation of the rim driving shielding motor, the performance parameters of the rim driving shielding motor can be accurately obtained, the technical problem that the traditional motor performance test method cannot be applied to the rim driving shielding motor is solved, and a new method is provided for the performance test of the rim driving shielding motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method for testing an output load of a rim-driven canned motor according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the testing apparatus shown in FIG. 1;
fig. 3 is a schematic diagram of the operation principle of the cooling process of the rim driving shielding motor.
Description of reference numerals:
1-a transmission shaft; 2-driving the shield motor by the wheel rim; 3-a first coupling; 4-a torquemeter; 5-a second coupling; 6-a transmission; 7-a third coupling; 8-a hydraulic dynamometer; 9-sealing cover; 10-a hydraulic dynamometer base; 11-a bolt; 13-a first seal; 14-a second seal; 21-a stator housing; 22-a stator; 23-a rotor; 24-a rotating member; 25-an air gap; 26-cooling water; 91-a water inlet flow channel; 92-an annular water chamber; 93-a water outlet channel; s01, S02, S03-steps.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, unless otherwise specified, "plurality", "plural groups" means two or more, and "several", "several groups" means one or more.
Referring now to fig. 1 to 3, embodiments provided by the present invention will be described. It should be understood that the following description is only exemplary embodiments of the present invention and does not constitute any particular limitation of the present invention.
Fig. 1 is a flowchart of a method for testing an output load of a rim-driven canned motor according to an embodiment of the present invention. As shown in fig. 1 and 3, in one embodiment of the present invention, a test method for testing an output load of a rim-driven shield motor 2 includes:
s01, assembling a testing device in the vertical direction of the rim driving shielding motor 2;
specifically, the rotating member 24 of the rim-driving shield motor 2 is modified to match the rotating member 24 with the testing device before the step of assembling the testing device in the vertical direction of the rim-driving shield motor 2. The rim driving shield motor 2 was vertically placed and the testing device was fitted to the rotating member 24 of the rim driving shield motor 2 such that the direction of the output torque generated by the rotating member 24 of the rim driving shield motor 2 was the vertical direction.
S02, assembling a sealing cover 9 at the top of the wheel rim driving shielding motor 2, and introducing cooling water 26 into the wheel rim driving shielding motor 2 through the sealing cover 9 to cool the wheel rim driving shielding motor 2 in the running process;
specifically, before the sealing cover 9 is assembled on the top of the rim-driving shielding motor 2, a first sealing member 13 is installed on the sealing cover 9, a second sealing member 14 is installed on the rim-driving shielding motor 2, the sealing cover 9 is installed on the rim-driving shielding motor 2 through a bolt 11, and under the fixing action of the bolt 11, the first sealing member 13 and the second sealing member 14 are in full contact and are pressed to form a sealing effect so as to seal the rim-driving shielding motor 2.
And (3) introducing cooling water 26 into the sealing cover 9, wherein the inside of the sealing cover 9 is communicated with the inside of the wheel rim driving shielding motor 2, and the cooling water 26 flows to the inside of the wheel rim driving shielding motor 2 so as to cool the wheel rim driving shielding motor 2.
And S03, measuring and calculating the output load of the rim driving shielding motor.
Specifically, the output torque of the rim driving shield motor 2 is tested by the testing device; calculating the friction loss generated by the flow of the cooling water 26 in the cooling process; calculating the friction loss generated by the first sealing element 13 and the second sealing element 14 in the process of driving the shield motor 2 to rotate by the wheel rim; and (4) measuring and calculating the transmission loss of the testing device. The actual output load of the rim driving shielding motor 2 can be accurately calculated by combining the numerical value of the output torque with the power loss of each part.
According to the method for testing the output load of the rim driving shielding motor, provided by the embodiment of the invention, the rotating part of the rim driving shielding motor is modified and connected with the testing device so as to test the performance. Meanwhile, the sealing cover is arranged on the rim driving shielding motor, so that cooling water enters the inside of the rim driving shielding motor through the sealing cover to cool the rim driving shielding motor, the operation requirement of the rim driving shielding motor is met, the performance test can be carried out on the rim driving shielding motor under the condition of ensuring the safe operation of the rim driving shielding motor, the performance parameters of the rim driving shielding motor can be accurately obtained, the technical problem that the traditional motor performance test method cannot be applied to the rim driving shielding motor is solved, and a new method is provided for the performance test of the rim driving shielding motor.
As shown in fig. 2, in one embodiment of the present invention, a test apparatus includes: the testing method comprises the following steps that a transmission shaft 1, a first coupler 3 and a torque meter 4 are sequentially arranged in series, and the testing method further comprises the following steps: the transmission shaft 1 is connected with the rim driving shielding motor 2, so that the output torque of the rim driving shielding motor 2 is transmitted to the torquemeter 4 through the transmission shaft 1, and the torquemeter 4 measures the value of the output torque of the rim driving shielding motor 2.
Specifically, the output torque generated by the rim driving shielding motor 2 directly acts on the rotating part 24 of the motor, the rotating part 24 and the middle supporting shaft of the electromechanical integrated advanced pump equipment originally adopting the rim driving shielding motor are modified to a certain extent, then the transmission shaft 1 is assembled on the rotating part 24, so that the transmission shaft 1 is fixedly connected with the rotating part 24, the output torque borne by the rotating part 24 is directly transmitted to the transmission shaft 1, and the numerical value of the output torque transmitted to the transmission shaft 1 can be directly read through the torque meter 4.
Further, the testing device further comprises a second coupling 5, a transmission 6, a third coupling 7 and a hydraulic dynamometer 8 which are sequentially arranged in series, and the testing method further comprises the following steps:
the second coupling 5 is connected with the torque meter 4, so that the output torque in the vertical direction generated by the rim driving shielding motor 2 is converted into the output torque in the horizontal direction after passing through the second coupling 5, the transmission 6 and the third coupling 7, and the hydraulic dynamometer 8 is used for consuming the output torque in the horizontal direction.
Specifically, the output torque in the vertical direction generated by the rim driving shielding motor 2 passes through the transmission shaft 1, the first coupling 3, the torque meter 4, the second coupling 5, the transmission 6 and the third coupling 7 in sequence, and then is converted into the output torque in the horizontal direction, and reaches the hydraulic dynamometer 8, and is consumed by the hydraulic dynamometer 8. Further, in one embodiment of the present invention, the transmission 6 converts the output torque in the vertical direction generated by the rim driving shield motor 2 into the output torque in the horizontal direction to facilitate consumption by the hydraulic dynamometer 8.
Further, in one embodiment of the present invention, the hydraulic dynamometer 8 is disposed on a hydraulic dynamometer base 10.
As shown in fig. 3, in one embodiment of the present invention, the rim-driven shield motor includes a stator housing 21, a stator 22 located in the stator housing 21, a rotating member 24 and a rotor 23 located in the rotating member 24, wherein the rotating member 24 is sleeved inside the stator housing 21, and an air gap 25 is formed between the rotating member 24 and the stator housing 21.
Referring to fig. 3, in one embodiment of the present invention, a water inlet flow passage 91, an annular water chamber 92 and a water outlet flow passage 93 are formed in the sealing cap 9 to communicate with each other in this order. The water outlet channel 91 is communicated with the air gap 25 to introduce the cooling water 26 into the air gap 25 to cool the rim-driven shield motor 2.
Specifically, the cooling water 26 may sequentially enter the gap between the stator housing 21 and the rotating member 24 through the water inlet flow passage 91, the annular water chamber 92, and the water outlet flow passage 93, and due to the sealing action of the first sealing member 13 and the second sealing member 14, the cooling water 26 flows downward into the air gap 25 and finally flows out of the inside of the rim-driven shield motor 2.
In one embodiment of the present invention, the step of determining the output load of the rim-driven shield motor 2 further comprises:
reading the value of the output torque generated by the rim driving shielding motor 2 and measured by the torque meter 4;
calculating the friction loss generated by the cooling water 26 flowing through the air gap 25;
calculating friction loss generated by the first sealing element 13 and the second sealing element 14 in the transmission process;
and (4) calculating transmission loss generated by the first coupling 3 in the transmission process.
Specifically, to accurately test the output load of the rim-drive shield motor 2, various aspects of power loss generated during the output torque transmission need to be considered. The method comprises the following steps:
the friction loss generated when the cooling water 26 flows through the air gap 25 of the rim driving shielding motor 2 is generated by gap flow, and can be accurately measured and calculated through numerical simulation based on the amount of cooling water in the test process; the friction loss generated by the first sealing element 13 and the second sealing element 14 in the rotation process of the rim driving shielding motor 2 can pass through the design of a test platform, the sealing pressing force of the test platform is accurately designed, and then the friction loss is accurately estimated based on the material performance; and the transmission loss caused by the first coupling 3 in the transmission process can be obtained through standard coupling parameters. Through accurate measurement and calculation of losses of the parts, the actual output load of the rim driving shielding motor 2 can be measured and calculated by combining the numerical value of the output torque directly measured by the torque meter 4.
Further, similar to the performance test of the conventional motor, the current, the voltage and the like at the power supply end can be measured to obtain the input parameters of the rim-driven shield motor 2. The input parameters and the output load measured by the method for testing the output load of the rim driving motor provided by the embodiment of the invention form the performance index of the rim driving motor. By applying the method for testing the output load of the rim driving shielding motor provided by the embodiment of the invention, the performance test can be carried out on the rim driving shielding motor under the condition of ensuring the safety of the rim driving shielding motor, and the problem that the traditional motor testing method cannot be suitable for the performance test of the rim driving shielding motor is solved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A method for testing the output load of a rim-driven shield motor is characterized by comprising the following steps:
vertically arranging a wheel rim driving shielding motor, and assembling a testing device in the vertical direction of the wheel rim driving shielding motor, wherein the testing device is connected with a rotating part of the wheel rim driving shielding motor;
assembling a sealing cover at the top of the rim driving shielding motor, mounting a first sealing element on the sealing cover, mounting a second sealing element on the rim driving shielding motor, enabling the first sealing element to be in contact with the second sealing element so as to seal the rim driving shielding motor, and introducing cooling water into the rim driving shielding motor through the sealing cover so as to cool the rim driving shielding motor in the operation process;
measuring and calculating the output load of the wheel rim driven shielding motor, and specifically comprises the following steps:
the method comprises the steps of testing the output torque of the rim driving shielding motor, measuring and calculating the friction loss generated by cooling water flowing in the cooling process, measuring and calculating the friction loss generated by the first sealing element and the second sealing element in the rotating process of the rim driving shielding motor, measuring and calculating the transmission loss of the testing device, and combining the value of the output torque with the power loss of the parts to calculate the actual output load of the rim driving shielding motor.
2. The rim driven shield motor output load testing method according to claim 1, further comprising, before the step of assembling a testing device in a vertical direction of the rim driven shield motor:
and modifying the rotating part of the rim driving shielding motor so as to match the rotating part with the testing device.
3. The rim driven canned motor output load testing method of claim 1, wherein the testing device comprises a drive shaft, a first coupling and a torque meter arranged in series in this order, and the testing method further comprises:
and connecting the transmission shaft with the rim driving shielding motor so as to transmit the output torque of the rim driving shielding motor to the torquemeter through the transmission shaft, so that the torquemeter can measure the output torque of the rim driving shielding motor.
4. The rim driven canned motor output load testing method of claim 3, further comprising connecting the drive shaft to the rotating member.
5. The rim driving shield motor output load testing method according to claim 3, wherein the testing apparatus further comprises a second coupling, a transmission, a third coupling and a hydraulic dynamometer which are sequentially arranged in series, and the testing method further comprises:
and connecting the second coupling with the torque meter, so that the output torque in the vertical direction generated by the rim driving shielding motor is converted into the output torque in the horizontal direction after passing through the second coupling, the transmission and the third coupling, and the hydraulic dynamometer is used for consuming the output torque in the horizontal direction.
6. A rim driven canned motor output load testing method according to claim 5, further comprising: converting the output torque in the vertical direction generated by the rim-driven shield motor into the output torque in the horizontal direction through the transmission.
7. The rim driven shield motor output load testing method of claim 5, wherein the rim driven shield motor includes a stator housing and the rotating member,
the rotating part is sleeved in the stator shell, and an air gap is formed between the rotating part and the stator shell.
8. The rim driven shield motor output load testing method as claimed in claim 7, wherein a water inlet flow passage, an annular water chamber and a water outlet flow passage are formed in the sealing cover to be sequentially communicated,
the water outlet flow channel is communicated with the air gap so as to introduce the cooling water into the air gap to cool the rim driving shielding motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619334.2A CN111812510B (en) | 2020-06-30 | 2020-06-30 | Method for testing output load of rim-driven shielding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619334.2A CN111812510B (en) | 2020-06-30 | 2020-06-30 | Method for testing output load of rim-driven shielding motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111812510A CN111812510A (en) | 2020-10-23 |
| CN111812510B true CN111812510B (en) | 2022-05-17 |
Family
ID=72856549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010619334.2A Active CN111812510B (en) | 2020-06-30 | 2020-06-30 | Method for testing output load of rim-driven shielding motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111812510B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606194A (en) * | 1983-11-18 | 1986-08-19 | Helix Technology Corporation | Cryocooler having low magnetic signature |
| DE19622396A1 (en) * | 1996-06-04 | 1997-12-18 | Alexander Dr Stoev | Frequency converter for a drive device |
| CN1559101A (en) * | 2001-12-18 | 2004-12-29 | ��ʽ����۹���������� | Axial abrasion detector of bearing in canned motor |
| DE102008030247A1 (en) * | 2008-06-25 | 2010-01-07 | Stabilus Gmbh | driving means |
| CN102323548A (en) * | 2011-05-27 | 2012-01-18 | 北京配天大富精密机械有限公司 | Load simulation test equipment, load simulation test method and control device |
| CN102435946A (en) * | 2011-09-02 | 2012-05-02 | 上海中科深江电动车辆有限公司 | Off-line detection device for driving motor of electric vehicle |
| CN103855890A (en) * | 2012-12-03 | 2014-06-11 | 中核核电运行管理有限公司 | Outer rotor type driving motor of main coolant pump |
| CN110646732A (en) * | 2019-08-27 | 2020-01-03 | 上海空间推进研究所 | Solution loss test platform and method suitable for shielded motor |
-
2020
- 2020-06-30 CN CN202010619334.2A patent/CN111812510B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606194A (en) * | 1983-11-18 | 1986-08-19 | Helix Technology Corporation | Cryocooler having low magnetic signature |
| DE19622396A1 (en) * | 1996-06-04 | 1997-12-18 | Alexander Dr Stoev | Frequency converter for a drive device |
| CN1559101A (en) * | 2001-12-18 | 2004-12-29 | ��ʽ����۹���������� | Axial abrasion detector of bearing in canned motor |
| DE102008030247A1 (en) * | 2008-06-25 | 2010-01-07 | Stabilus Gmbh | driving means |
| CN102323548A (en) * | 2011-05-27 | 2012-01-18 | 北京配天大富精密机械有限公司 | Load simulation test equipment, load simulation test method and control device |
| CN102435946A (en) * | 2011-09-02 | 2012-05-02 | 上海中科深江电动车辆有限公司 | Off-line detection device for driving motor of electric vehicle |
| CN103855890A (en) * | 2012-12-03 | 2014-06-11 | 中核核电运行管理有限公司 | Outer rotor type driving motor of main coolant pump |
| CN110646732A (en) * | 2019-08-27 | 2020-01-03 | 上海空间推进研究所 | Solution loss test platform and method suitable for shielded motor |
Non-Patent Citations (1)
| Title |
|---|
| 小型冲击式涡轮泵气动效率试验方法研究;王志峰 等;《燃气涡轮试验与研究》;20171231;第30卷(第6期);第33-36页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111812510A (en) | 2020-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103630301A (en) | Method for testing liquid lubrication machine seal sealing performance and devices thereof | |
| CN109029946A (en) | Motor stator durability test apparatus and test method | |
| CN111812510B (en) | Method for testing output load of rim-driven shielding motor | |
| CN102594021A (en) | Electric machine with integrated coolant temperature sensor | |
| CN111103323B (en) | High-rotation-speed axial rotation heat pipe performance testing device and working method thereof | |
| CN113670602B (en) | Rotary dynamic seal loss testing device and method | |
| Lane et al. | Investigation of reductions in motor efficiency and power factor caused by stator faults when operated from an inverter drive under open loop and sensorless vector modes | |
| Aarniovuori et al. | Overview of calorimetric systems used in loss determination of electric motors and drives | |
| KR20100130325A (en) | Mechanical motor load test apparatus | |
| CN203430759U (en) | Hydraulic pump durability test system based on power recovery and inverter technologies | |
| CN211954697U (en) | Testing device for wet brake of drive axle | |
| US3138018A (en) | Dynamometer | |
| Wallace et al. | Motor efficiency determination: from testing laboratory to plant installation | |
| CN104792446B (en) | A kind of magnetic flow liquid power measurement arrangement | |
| CN203643093U (en) | Testing apparatus for seal performance of liquid lubrication mechanical seal | |
| CN207600994U (en) | Powdery type solid concentration real-time measurement apparatus in a kind of liquid | |
| Wallace et al. | A laboratory assessment of in-service motor efficiency testing methods | |
| CN215953793U (en) | Monitoring device for fault diagnosis of motor of escalator | |
| CN112560382B (en) | Junction temperature prediction method of IGBT module | |
| Mzungu et al. | Determination of effects on induction motor efficiency | |
| CN107870185A (en) | Powdery type solid concentration real-time measurement apparatus and method in a kind of liquid | |
| Kaneamru et al. | Evaluation of Stator Current Power Spectrum Before and After Equipment Maintenance for Anomaly Detection of Induction Machine | |
| CN103743510A (en) | Novel electronic type torque meter | |
| Jara | A precise, general, non-invasive and automatic speed estimation method for mcsa steady-state diagnosis and efficiency estimation of induction motors in the 4.0 industry | |
| Suto et al. | Fundamental evaluation of direct‐cooling technology for in‐wheel drive system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |