CN214201609U - Service life test and characteristic parameter acquisition control system for generator stator bar - Google Patents
Service life test and characteristic parameter acquisition control system for generator stator bar Download PDFInfo
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- CN214201609U CN214201609U CN202022244349.3U CN202022244349U CN214201609U CN 214201609 U CN214201609 U CN 214201609U CN 202022244349 U CN202022244349 U CN 202022244349U CN 214201609 U CN214201609 U CN 214201609U
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
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- 238000013500 data storage Methods 0.000 claims abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 2
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Abstract
The utility model discloses a motor stator bar life test and characteristic parameter acquisition control system, this system includes man-machine interaction module, core control module, experimental power module, voltage regulation module, temperature regulation module, rotatory execution module, characteristic parameter acquisition module, visual monitoring module, data detection module, data storage and display module, this system can carry out the circular telegram intensification experiment to a set of generator stator bar, every group sample can realize the test environment under different voltage and temperature condition; the system can automatically collect the characteristic parameters of the test sample and record and store the time corresponding to the collected data; the system can automatically withdraw the sample from the test when the collected data reaches an invalid value or a cutoff condition.
Description
Technical Field
The utility model relates to a generator stator bar life test field, in particular to generator stator bar life test and characteristic parameter acquisition control system.
Background
As an important part of the generator, once a stator bar of the generator is aged or even fails in insulation, the generator is shut down unplanned, a power system is damaged, and social and economic benefits are affected. However, the number of the stator bars is large, the insulation state of the stator bars is not easy to directly observe, and the insulation state is not easy to judge through all detection. Therefore, the method has important significance and value for carrying out correct and effective life test on the insulation state of the generator stator bar and collecting the life characteristic parameters of the generator stator bar.
The device utility model discloses the life test method of preceding generator stator bar is including measuring insulation resistance, measuring dielectric loss, measuring partial discharge volume, carrying out frequency domain dielectric spectrum test etc.. These methods have the following main features:
1) the electrical parameters of the stator bar are emphasized, and the test process is complex.
2) The manual operation is used, and under the test condition of high pressure and high temperature, the tester has great potential safety hazard.
3) Once the stator bar is broken down, the test needs to be stopped manually, and since the test needs to be performed for a long time, the untimely test may cause damage to the circuit and loss of power resources, and even cause safety accidents.
4) Testing machines are expensive, and the collected parameters are numerous and complex, making qualitative analysis difficult.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a generator stator bar life test and characteristic parameter acquisition control system and method, can successfully solve above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: a service life test and characteristic parameter acquisition control system for a generator stator bar comprises a platform for placing a plurality of samples, a rotary execution module for driving the platform to rotate, a test power module for providing test voltage, a thermostat, a temperature regulation module for controlling the temperature environment of the thermostat and a voltage regulation module for connecting with the samples, wherein the thermostat is arranged on the platform;
the data detection module is connected with the characteristic parameter acquisition module and is used for receiving data of the characteristic parameter acquisition module;
the device is characterized by further comprising a core control module, wherein the core control module is connected with the voltage regulation module, the temperature regulation module and the data detection module and the visual monitoring module respectively.
Further, the method comprises the following steps: the data storage and display module is connected with the data detection module and the core control module and used for storing data and displaying the sample numbers, the voltage information, the temperature information, the time information and the characteristic quantity information.
Further, the method comprises the following steps: the characteristic parameter acquisition module is a blue light whiteness tester.
Further, the method comprises the following steps: the platform is a disc type test platform, and the rotary execution module is a servo motor coaxial with the disc type test platform.
Further, the method comprises the following steps: the system comprises a core control module, a human-computer interaction module and a power supply module, wherein the human-computer interaction module is connected with the core control module and comprises one or more of a handwriting input module, a voice input module or a keyboard input module, and the human-computer interaction module is used for setting the test voltage, the test temperature and the data acquisition time interval of each sample and transmitting the test voltage, the test temperature and the data acquisition time interval to the core control module.
The utility model also discloses a generator stator bar life test and characteristic parameter acquisition control method, including the aforesaid generator stator bar life test and characteristic parameter acquisition automatic control system, the step is:
A. the voltage regulation module and the temperature regulation module control the sample to be at a test temperature and a test voltage, and the rotation execution module rotates at fixed time;
B. when the test sample rotates to a data acquisition point, the rotation execution module pauses and starts timing, the characteristic parameter acquisition device is controlled to acquire data, and after data acquisition is finished, if the characteristic parameter value is smaller than an invalid value or the visual monitoring module monitors that the sample is damaged or hollow, the voltage regulation module cuts off the voltage supply of the test sample;
C. rotating the rotary execution module, enabling the next test sample to reach a detection point, and repeating the step B until the rotary execution module rotates for a circle;
D. and after the rotary execution mechanism rotates for one circle, stopping rotating the rotary execution module, resetting, eliminating the accumulated error, waiting for the next rotation instruction, and returning to the step B.
Further, the method comprises the following steps: the characteristic parameter is a blue light whiteness value.
Further, the method comprises the following steps: the failure value is a reduction of the blue whiteness value to less than 36.8% of the initial value.
The utility model has the advantages that: the system can realize the power-on temperature rise test of a group of generator stator bars and control the voltage and temperature test environment of the group of samples; meanwhile, the system can automatically collect the characteristic parameters of the test sample, and record and store the time corresponding to the collected data; when the data acquisition reaches the invalid value or the condition of cutting off, the system can pass through the break-make electricity of voltage control module control independent sample for this sample withdraws from the experiment automatically, and it is convenient simple to test, and the security is high simultaneously.
Drawings
FIG. 1 is a schematic diagram of a system module.
Fig. 2 is a schematic diagram of the system architecture.
Labeled as: the device comprises a disc type test platform 1, a rotary execution module 2, a characteristic parameter acquisition module 3 and a visual monitoring module 4.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 2, the application discloses a generator stator bar life test and characteristic parameter acquisition control system, which comprises a platform for placing a plurality of samples, a rotary execution module 2 for driving the platform to rotate, and a test power module for providing test voltage, wherein a thermostat and a temperature regulation module for controlling the temperature environment of the thermostat are arranged on the platform, the voltage regulation module is connected with the samples and is used for outputting voltage and independently controlling the power on and off of each sample, and a characteristic parameter acquisition module 3 and a visual monitoring module 4 for detecting the samples are respectively arranged above the platform;
specifically, each time a group of samples are tested, a test power supply is connected to each sample through a voltage adjusting module, the samples adopt a parallel power supply mode, the voltage and the temperature of each sample of the group of test samples are consistent, the voltage adjusting module can set the output voltage and can independently control the power on and off of each sample, the independent power off of the samples does not influence the continuous test of other samples, and the temperature adjustment is used for controlling the temperature of the incubator;
the characteristic parameter acquisition module 3 is a blue light whiteness tester, and the test power supply module provides alternating current variable test voltage for a test sample, wherein the voltage grade can be 30kV, 35kV, 40kV and other alternating current variable voltage;
the system also comprises a data detection module connected with the characteristic parameter acquisition module 3, wherein the data detection module is used for receiving data of the characteristic parameter acquisition module 3;
the system also comprises a core control module which is respectively connected with the voltage regulation module, the temperature regulation module and the data detection module and the visual monitoring module 4, and a data storage and display module which is connected with the data detection module and the core control module, wherein the data storage and display module is used for storing data and displaying the serial number, the voltage information, the temperature information, the time information and the characteristic quantity information of each sample;
the core control module has the following functions:
1. the device can receive instructions, send signals to the voltage regulation module and the temperature regulation module, and control the voltage and the temperature of the test sample.
2. The device can control the rotary executing mechanism to rotate at regular time, when a test sample rotates below the detection point characteristic parameter acquisition device, the rotary executing mechanism is controlled to stop rotating and the characteristic parameter acquisition device is controlled to acquire data, after data acquisition is completed, the rotary executing mechanism is controlled to continue rotating until the next test sample reaches the detection point, and the operations are repeated.
3. And after the rotary executing mechanism rotates for one circle, controlling the rotary executing mechanism to stop rotating, resetting, eliminating the accumulated error and waiting for the next rotation command.
4. And receiving the open circuit signals of the data detection module and the vision monitoring module 4, and controlling the voltage regulation module to disconnect the voltage supply of the test sample.
On the basis, the platform is a disc type test platform 1, the rotary execution module 2 is a servo motor coaxial with the disc type test platform 1, so that the measured sub-line rod samples are placed on the disc test platform at intervals of a uniform angle and move to the positions below the characteristic parameter acquisition module 3 and the vision monitoring module 4 in sequence.
On the basis, the system further comprises a human-computer interaction module connected with the core control module, wherein the human-computer interaction module comprises one or more of a handwriting input module, a voice input module or a keyboard input module, and the human-computer interaction module is used for setting the test voltage, the test temperature and the data acquisition time interval of each group of samples and transmitting the test voltage, the test temperature and the data acquisition time interval to the core control module, so that the system is more convenient to use.
The specific test method of the system is as follows:
A. the voltage regulation module and the temperature regulation module control the sample to be at the test temperature and the test voltage, and the rotation execution module 2 rotates at regular time;
B. when the test sample rotates to a data acquisition point, the rotation execution module 2 pauses and starts timing, the characteristic parameter acquisition device is controlled to acquire data, after data acquisition is completed, if the characteristic parameter value is smaller than an invalid value or the visual monitoring module 4 monitors that the sample is damaged or hollow, the voltage regulation module cuts off the voltage supply of the test sample, the characteristic parameter is a blue light whiteness value, the invalid value is that the blue light whiteness value is reduced to be smaller than 36.8% of an initial value, and the specific initial value can be specifically set according to a specific environment.
C. Rotating the rotary execution module 2, enabling the next test sample to reach a detection point, and repeating the step B until the rotary execution module 2 rotates for a circle;
D. and after the rotary execution mechanism rotates for one circle, the rotary execution module 2 stops rotating, resets, eliminates the accumulated error, waits for the next rotation instruction, and returns to the step B.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A generator stator bar life test and characteristic parameter acquisition control system is characterized in that: the device comprises a platform for placing a plurality of samples, a rotary execution module (2) for driving the platform to rotate, a test power module for providing test voltage, a thermostat, a temperature regulation module for controlling the temperature environment of the thermostat and a voltage regulation module for connecting with the samples, wherein the platform is provided with the thermostat and the temperature regulation module for controlling the temperature environment of the thermostat, the voltage regulation module is connected with the test power module and is used for outputting voltage and independently controlling the power on and power off of each sample, and a characteristic parameter acquisition module (3) and a visual monitoring module (4) for detecting the samples are respectively arranged above the platform;
the device also comprises a data detection module connected with the characteristic parameter acquisition module (3), wherein the data detection module is used for receiving data of the characteristic parameter acquisition module (3);
the device is characterized by further comprising a core control module, wherein the core control module is respectively connected with the voltage regulation module, the temperature regulation module, the data detection module and the visual monitoring module (4).
2. The generator stator bar life test and characteristic parameter acquisition control system as claimed in claim 1, characterized in that: the data storage and display module is connected with the data detection module and the core control module and is used for storing data and displaying the number, the voltage information, the temperature information, the time information and the characteristic quantity information of each sample.
3. The generator stator bar life test and characteristic parameter acquisition control system as claimed in claim 1, characterized in that: the characteristic parameter acquisition module (3) is a blue light whiteness tester.
4. The generator stator bar life test and characteristic parameter acquisition control system as claimed in claim 1, characterized in that: the platform is a disc type test platform (1), and the rotary execution module (2) is a servo motor coaxial with the disc type test platform (1).
5. The generator stator bar life test and characteristic parameter acquisition control system as claimed in claim 1, characterized in that: the device comprises a core control module, and is characterized by further comprising a human-computer interaction module connected with the core control module, wherein the human-computer interaction module comprises one or more of a handwriting input module, a voice input module or a keyboard input module, and is used for setting the test voltage, the test temperature and the data acquisition time interval of each group of samples and transmitting the test voltage, the test temperature and the data acquisition time interval to the core control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022244349.3U CN214201609U (en) | 2020-10-11 | 2020-10-11 | Service life test and characteristic parameter acquisition control system for generator stator bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022244349.3U CN214201609U (en) | 2020-10-11 | 2020-10-11 | Service life test and characteristic parameter acquisition control system for generator stator bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201609U true CN214201609U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022244349.3U Expired - Fee Related CN214201609U (en) | 2020-10-11 | 2020-10-11 | Service life test and characteristic parameter acquisition control system for generator stator bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201609U (en) |
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2020
- 2020-10-11 CN CN202022244349.3U patent/CN214201609U/en not_active Expired - Fee Related
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Granted publication date: 20210914 |