CN117761114A - Transformer insulating oil testing device and method - Google Patents
Transformer insulating oil testing device and method Download PDFInfo
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- CN117761114A CN117761114A CN202311690723.4A CN202311690723A CN117761114A CN 117761114 A CN117761114 A CN 117761114A CN 202311690723 A CN202311690723 A CN 202311690723A CN 117761114 A CN117761114 A CN 117761114A
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- 238000012360 testing method Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 230000001276 controlling effect Effects 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims description 64
- 239000007789 gas Substances 0.000 claims description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 187
- 239000000203 mixture Substances 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The application discloses a transformer insulating oil testing device and a method, wherein the method can comprise an oil pool for containing transformer insulating oil, a temperature control heating module for regulating and controlling the temperature of the transformer insulating oil, an ignition module for regulating and controlling ignition energy, an ignition module for carrying out ignition test on the transformer insulating oil and a data acquisition module for acquiring combustion information of the transformer insulating oil, wherein the combustion information is used for evaluating the thermal stability of the transformer insulating oil; based on this, combine accuse temperature heating module and ignition module, this application can adopt the ignition energy of different temperatures to ignite the test to the transformer insulating oil under each temperature to gather the combustion information that is used for confirming transformer insulating oil thermal stability in the test process. Therefore, the ignition test can be carried out on the transformer insulating oil at different temperatures, and combustion information for evaluating the thermal stability of the transformer insulating oil is obtained, so that the thermal stability of the transformer insulating oil is determined.
Description
Technical Field
The application relates to the technical field of power grids, in particular to a transformer insulating oil testing device and a transformer insulating oil testing method.
Background
In the power grid, transformers are an essential component of the power system. The insulating oil plays a dual role of an insulating medium and a cooling medium in the transformer, and is a key for ensuring the safe operation of the transformer. However, in the use process of the transformer, the insulating oil is easily affected by various factors, so that the thermal stability of the insulating oil is reduced, and the insulating oil is easy to burn. The transformer may be used in a high temperature environment, and in this case, the insulating oil which is easy to burn may easily cause damage to the transformer. Thus, assessing the thermal stability of transformer insulating oil is critical to safe and stable operation of the power system.
In general, insulating oils having poor thermal stability are easy to burn. Based on this, in order to evaluate the thermal stability of the transformer insulating oil, a combustion test may be performed on the transformer insulating oil. The application provides a transformer insulating oil testing device aiming at the combustion test of transformer insulating oil.
Disclosure of Invention
In view of the foregoing, the present application provides a device and a method for testing transformer insulating oil for evaluating the thermal stability of transformer insulating oil.
In order to achieve the above object, the following solutions have been proposed:
the transformer insulating oil testing device comprises an oil pool, a temperature control heating module, an ignition module and a data acquisition module;
the oil pool is used for containing transformer insulating oil;
the temperature control heating module is used for controlling the temperature of the transformer insulating oil;
the ignition module is used for regulating and controlling ignition energy and carrying out ignition test on the transformer insulating oil;
the data acquisition module is used for acquiring combustion information of the transformer insulating oil, and the combustion information is used for evaluating the thermal stability of the transformer insulating oil.
Optionally, the device also comprises a cover body and a smoke exhausting module;
the oil tank, the temperature control heating module and the ignition module are arranged in the accommodating cavity;
the cover body is of a three-dimensional structure with a closed bottom surface, an opening and closing part arranged on the side surface and a top surface communicated with the smoke discharging module;
and the smoke exhausting module is used for collecting and exhausting gas generated by the combustion of the transformer insulating oil.
Optionally, the smoke exhaust module comprises a smoke collecting hood, a smoke exhaust pipeline, a smoke exhaust fan and a smoke chamber;
the fume collecting hood is connected with the top of the hood body;
the fume collecting hood is used for collecting gas generated by the combustion of the transformer insulating oil;
the smoke exhaust fan is arranged in the smoke exhaust pipeline;
one end of the smoke exhaust pipeline is connected with the smoke collecting hood, and the other end of the smoke exhaust pipeline is connected with the smoke chamber;
the smoke exhaust fan is used for guiding the gas in the smoke collecting hood to be converged to the smoke chamber through the smoke exhaust pipeline.
Optionally, the oil pool is provided with a thermocouple;
the thermocouple is used for collecting the temperature of the transformer insulating oil and transmitting the collected temperature to the temperature control heating module.
Optionally, the temperature control heating module is used for heating the transformer insulating oil in the oil tank by adopting an oil bath heating mode.
Optionally, the ignition module comprises a movable radiation stack and a movable igniter;
the movable radiation pile is used for providing different external radiation heat flows for the movable igniter so as to regulate and control the ignition energy of the movable igniter fire source;
the movable igniter is used for performing ignition test on the transformer insulating oil through fire sources with different ignition energies.
Optionally, the ignition module further comprises a movable heat shield;
the movable heat insulation plate is used for insulating the movable igniter and the transformer insulating oil when an ignition test is not needed.
Optionally, the combustion information includes any one or more of: flame temperature during the insulating oil combustion process, flame height, insulating oil combustion temperature, flame morphology, flame color, mass loss rate, heat release rate, carbon dioxide yield, and carbon monoxide yield.
Optionally, the data acquisition module includes any one or more of the following: the temperature thermocouple comprises a temperature thermocouple tree, a camera, a weighing module and a gas analyzer;
the temperature thermocouple tree is used for measuring the flame temperature and the insulating oil combustion temperature;
the weighing module is used for determining the weight of transformer insulating oil in the oil pool so as to determine the mass loss rate;
the camera is used for shooting and recording the flame of the transformer insulating oil so as to determine the flame height, the flame shape and the flame color;
the gas analyzer is configured to determine the heat release rate, the carbon dioxide yield, and the carbon monoxide yield.
A method for testing insulating oil of a transformer, comprising:
taking the transformer insulating oil testing device as a testing device;
placing insulating oil to be tested in an oil tank of the testing device;
heating the insulating oil to be tested in the oil tank to a preset test temperature by adopting a temperature control heating module of the test device;
the ignition module of the testing device is utilized to perform ignition test on the insulating oil to be tested at the test temperature based on the preset test ignition energy;
and acquiring the combustion information of the insulating oil to be tested in real time by utilizing a data acquisition module of the testing device.
According to the technical scheme, the transformer insulating oil testing device can comprise an oil pool, a temperature control heating module, an ignition module and a data acquisition module; the oil pool is used for containing transformer insulating oil; the temperature control heating module is used for controlling the temperature of the transformer insulating oil; based on the above, in the testing process, the temperature of the transformer insulating oil in the oil tank can be regulated and controlled to a required temperature by using the temperature control heating module according to actual requirements, for example, the temperature of the transformer insulating oil can be regulated and controlled to the working temperature of the transformer by using the temperature control heating module; the ignition module is used for regulating and controlling ignition energy and carrying out ignition test on the transformer insulating oil; based on this, in the test process, the ignition module may be utilized to attempt to ignite the transformer insulating oil, determining whether the transformer insulating oil is easy to burn; by combining the temperature control heating module and the ignition module, the ignition test can be performed on the transformer insulating oil at each temperature by adopting the ignition energy at different temperatures; the data acquisition module is used for acquiring combustion information of the transformer insulating oil, and the combustion information is used for evaluating the thermal stability of the transformer insulating oil; based on this, the data acquisition module can be utilized to acquire combustion information for determining the thermal stability of the transformer insulating oil during the test. Therefore, the ignition test can be carried out on the transformer insulating oil at different temperatures, and combustion information for evaluating the thermal stability of the transformer insulating oil is obtained, so that the thermal stability of the transformer insulating oil is determined.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
Fig. 1 is a structural diagram of a transformer insulating oil testing device disclosed in an embodiment of the present application;
FIG. 2 is a block diagram of another transformer insulating oil testing apparatus according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a method for testing insulating oil of a transformer according to an embodiment of the present application;
the correspondence between the reference numerals and the component names in fig. 1 and 2 is:
the device comprises an oil tank 1, a temperature control heating module 2, an ignition module 3, a data acquisition module 4, a cover body 5, a smoke exhaust module 6, a thermocouple 11, a movable radiation pile 31, a movable igniter 32, a movable heat insulation plate 33, a temperature thermocouple tree 41, a camera 42, a weighing module 43, a gas analyzer 44, a smoke collecting cover 61, a smoke exhaust pipeline 62, a smoke exhaust fan 63, a smoke chamber 64, a mass transmission rod 431 and a weighing balance 432.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes the transformer insulating oil testing device of the present application in detail with reference to the accompanying drawings, and the directions of the structures shown in the drawings of the present application are set in consideration of the easy understanding of the description, and do not limit the directions of the embodiments of the present disclosure in practical implementation. The shape and size of the whole or a part of the structure shown in the drawings are not limited to the actual shape and size.
Referring to fig. 1, the transformer insulating oil testing device of the present application may include an oil pool 1, a temperature control heating module 2, an ignition module 3, and a data acquisition module 4.
The temperature-controlled heating module 2 may be located below the oil sump 1 as shown in fig. 1, or may be located inside the oil sump 1, which is not limited in this application.
The ignition module 3 may be located above the oil sump 1 as shown in fig. 1 or may be located laterally of the oil sump 1, and is not limited in this application.
The oil tank 1 can be used for containing transformer insulating oil which needs to be subjected to combustion test; the transformer insulating oil can be newly prepared insulating oil or insulating oil extracted from a transformer which is used for a period of time.
The temperature control heating module 2 can be used for controlling the temperature of the transformer insulating oil in the oil tank 1.
A heating port may be provided in the oil pool 1, and the temperature-controlled heating module 2 may be opposite to the heating port.
In order to facilitate the heating of the oil sump 1 by the temperature-controlled heating module 2, the oil sump 1 may be made of copper with good thermal conductivity.
In order to ensure the temperature controllability in the oil pool 1, the oil pool 1 can be wrapped with a heat insulation layer except a heating port.
The temperature-control heating module 2 can heat the transformer insulating oil in the oil tank 1 according to actual requirements.
The ignition module 3 can be used for regulating and controlling ignition energy and carrying out ignition test on transformer insulating oil at different temperatures.
The ignition module 3 may be disposed directly above the oil pool 1 or may be disposed above the side of the oil pool 1, and is not limited in this application.
The ignition module 3 can adjust the ignition energy, and different ignition energies are used for trying to perform ignition test on the transformer insulating oil.
The data acquisition module 4 can acquire all combustion information related to the evaluation of the thermal stability of the insulating oil of the transformer in the test process.
According to the technical scheme, the transformer insulating oil testing device can comprise an oil pool 1, a temperature control heating module 2, an ignition module 3 and a data acquisition module 4; the oil tank 1 is used for containing transformer insulating oil; the temperature control heating module 2 is used for controlling the temperature of the transformer insulating oil; based on this, in the testing process, the temperature of the transformer insulating oil in the oil tank can be regulated and controlled to a required temperature by using the temperature control heating module 2 according to actual requirements, for example, the temperature of the transformer insulating oil can be regulated and controlled to the working temperature of the transformer by using the temperature control heating module 2; the ignition module 3 is used for regulating and controlling ignition energy and carrying out ignition test on the transformer insulating oil; based on this, during the test, ignition of the transformer insulating oil can be attempted by the ignition module 3 to determine whether the transformer insulating oil is easy to burn; by combining the temperature control heating module 2 and the ignition module 3, the ignition test can be carried out on the transformer insulating oil at each temperature by adopting the ignition energy at different temperatures; the data acquisition module 4 is used for acquiring combustion information of the transformer insulating oil, wherein the combustion information is used for evaluating the thermal stability of the transformer insulating oil; based on this, the thermal stability of the transformer insulating oil can be evaluated using the combustion information collected during the test by the data collection module 4. Therefore, the ignition test can be carried out on the transformer insulating oil at different temperatures by using different ignition energies, so that the combustion information for evaluating the thermal stability of the transformer insulating oil is obtained, the thermal stability of the transformer insulating oil is determined, and the safe and stable operation of a power grid is further ensured based on the thermal stability of the transformer insulating oil.
Referring to fig. 2, the present application further includes a hood 5 and a smoke evacuation module 6.
The housing 5 can be internally provided with a containing cavity, and the oil pool 1, the temperature control heating module 2 and the ignition module 3 are arranged in the containing cavity, so that the interference of the outside on the combustion test is avoided.
Referring to fig. 2, it can be seen that the bottom of the housing 5 is closed, but the top of the housing 5 is not closed, but is in direct communication with the smoke evacuation module 6.
In order to facilitate placement of the transformer insulating oil, an opening and closing portion may be provided on the side surface of the cover 5, and the opening and closing state of the side surface of the cover 5 may be controlled by controlling the opening and closing of the opening and closing portion.
After the top of the cover body 5 is communicated with the smoke discharging module 6, the gas generated by the combustion of the transformer insulating oil can be transmitted to the smoke discharging module 6 from the top of the cover body 5, so that the smoke discharging module 6 can collect and discharge the gas generated by the combustion of the transformer insulating oil.
The cover body 5 can be made of transparent high-temperature-resistant glass so as to observe the combustion process under the condition of ensuring safety.
It can be seen from the above technical scheme that this embodiment provides another combination mode of transformer insulating oil testing arrangement, can confirm through above-mentioned mode that transformer insulating oil testing arrangement can also include cover body 5 and smoke evacuation module 6, can avoid the external interference in the transformer insulating oil combustion test process through cover body 5, further improves the reliability of burning information. The smoke discharging module 6 can collect and discharge the gas in the combustion process, so that the interference of the gas to the outside can be further avoided, and the environment-friendly performance of the combustion test is ensured.
In some embodiments of the present application, the smoke evacuation module 6 may include a smoke collection hood 61, a smoke evacuation duct 62, a smoke evacuation fan 63, and a smoke plenum 64;
the fume collecting hood 61 may be communicated with the top of the hood 5;
the smoke exhaust fan 63 is arranged in the smoke exhaust pipeline 62;
one end of the smoke exhaust duct 62 is connected with the smoke collecting hood 61, and the other end of the smoke exhaust duct 62 is connected with the smoke chamber 64;
a fume collecting hood 61 for collecting gas generated by the combustion of the transformer insulating oil in the accommodating cavity of the hood body 5;
the smoke exhaust fan 63 in the activated state can be used for guiding the gas in the smoke collecting hood 61 to be collected to the smoke chamber 64 through the smoke exhaust pipe 62.
The gas in the flue gas chamber 64 may be treated and then exhausted out of the flue gas chamber 64.
As can be seen from the above technical solution, this embodiment provides an optional composition mode of the smoke evacuation module 6, and through the above mode, the gas generated in the combustion process can be further collected, so as to further ensure the safety of the combustion test.
In some embodiments of the present application, the oil pool 1 may be provided with a thermocouple 11, which thermocouple 11 may be used to collect the temperature of the transformer insulation oil and transmit the collected temperature to the temperature controlled heating module 2.
The thermocouple 11 may be a very fine ms-scale fast response thermocouple, among others.
It can be seen from the above technical scheme that this embodiment provides an optional composition mode of oil pool 1, but through above-mentioned mode real-time supervision transformer insulation oil's temperature to in with the temperature control heating module 2 of monitoring, so that regulate and control the temperature of transformer insulation oil in oil pool 1 better, further ensured the reliability that uses this application to carry out the combustion test.
In some embodiments of the present application, the temperature-controlled heating module 2 may adopt an oil bath heating mode to heat the transformer insulation oil in the oil tank.
According to the technical scheme, the heating mode of the temperature control heating module 2 for the transformer insulating oil in the embodiment is oil bath heating, so that the transformer insulating oil can be integrally heated, and the heating uniformity is ensured.
In some embodiments of the present application, the ignition module 3 may comprise a movable radiant stack 31 and a movable igniter 32;
the movable radiant stack 31 can be used for providing different external radiant heat flows for the movable igniter according to different test requirements so as to regulate and control the ignition energy of the fire source of the movable igniter.
The movable igniter 32 may be used to perform ignition tests on the transformer insulating oil by means of different ignition energy sources.
During the combustion test, the movable radiation stack 31 and the movable igniter 32 may be moved back and forth, left and right, or up and down.
As can be seen from the above technical solution, the present embodiment provides an alternative composition manner of the ignition module 3, by which the ignition energy of the movable igniter 32 can be controlled by controlling the external radiant heat flow of the movable radiant pile 31, and the movable radiant pile 31 and the movable igniter 32 are movable, so that the test personnel can move the movable radiant pile 31 and the movable igniter 32 to the upper portion of the oil pool 1 when performing the ignition test, and move the movable radiant pile 31 and the movable igniter 32 away after the ignition of the transformer insulating oil, thereby avoiding the influence of the fire source on the combustion of the transformer insulating oil.
In some embodiments of the present application, the ignition module 3 may also include a movable heat shield 33;
the movable heat insulating plate 33 can be used for insulating the movable igniter and the transformer insulating oil when the ignition test is not needed, namely, after the transformer insulating oil is ignited.
As can be seen from the above technical solution, this embodiment provides an alternative composition mode of the ignition module 3, and the movable radiation stack 31, the movable igniter 32 and the oil pool 1 can be further isolated after the transformer insulating oil is combusted by the movable heat insulation plate 33, so that the combustion process of the transformer insulating oil is further ensured not to be affected by the ignition energy, and the reliability of the application is further ensured.
In some embodiments of the present application, the combustion information includes any one or more of the following: flame temperature during the insulating oil combustion process, flame height, insulating oil combustion temperature, flame morphology, flame color, mass loss rate, heat release rate, carbon dioxide yield, and carbon monoxide yield.
Further, the data acquisition module 4 includes any one or more of the following: a temperature thermocouple tree 41, a camera 42, a weighing module 43 and a gas analyzer 44;
the temperature thermocouple tree 41 may be used to measure the flame temperature and the insulating oil combustion temperature.
Referring to fig. 2, it can be seen that the thermocouple tree 41 may be composed of a thermocouple support and a plurality of thermocouples. Wherein, a plurality of thermocouples are distributed on the thermocouple bracket at equal intervals. For ease of operation, the thermocouple support may be rotatable and height adjustable.
Through many thermocouples, can gather flame temperature, flame height and insulating oil combustion temperature in the insulating oil combustion process.
The weighing module 43 is used for determining the weight of the transformer insulating oil in the oil pool to determine the mass loss rate.
Referring to fig. 2, it can be seen that the weighing module 43 may be composed of a mass transmission rod 431 and a weighing balance 432, and the weighing module 43 may measure the weights of the oil tank 1 and the temperature-controlled heating module 2 in real time, so as to analyze the mass loss rate of the transformer insulating oil in the oil tank 1 during the combustion process.
The camera 42 is configured to record the flame of the transformer insulating oil, so as to determine the flame height, the flame shape and the flame color.
The camera 42 may be placed outside the housing 5, and image acquisition may be performed on the combustion process of the transformer insulation oil in real time through the camera, so as to determine the flame height, the flame shape and the flame color of the transformer insulation oil.
The gas analyzer 44 is configured to determine the heat release rate, the carbon dioxide yield, and the carbon monoxide yield.
Referring to fig. 2, it can be seen that the gas analyzer 44 is in communication with the exhaust gas duct 62, and the gas analyzer 44 can collect the gas flowing in the exhaust gas duct 62 and analyze the gas to determine the heat release rate, the carbon dioxide yield and the carbon monoxide yield during the combustion of the transformer insulating oil.
As can be seen from the above technical solutions, this embodiment provides an optional composition manner of the data acquisition module 4, and by using the foregoing manner, combustion information can be acquired further.
Next, a process of performing a combustion test using the transformer insulating oil test apparatus provided herein will be described in detail, and the transformer insulating oil test method provided below may be referred to with the transformer insulating oil test apparatus provided above.
Next, a method for testing the insulating oil of the transformer provided in the present application will be described in detail with reference to fig. 3, and the steps are as follows:
and S1, placing insulating oil to be tested in an oil tank of the transformer insulating oil testing device.
Specifically, the transformer insulating oil to be subjected to the combustion test may be placed in the oil pool of any of the above embodiments as insulating oil to be tested.
And S2, heating the insulating oil to be tested in the oil tank 1 to a preset test temperature by adopting a temperature control heating module of the transformer insulating oil testing device.
Specifically, the insulating oil to be tested in the oil tank 1 can be heated by using the temperature control heating module, the temperature of the insulating oil to be tested can be monitored in real time by using the thermocouple in the oil tank 1, and heating energy is adjusted until the insulating oil to be tested is heated to a preset test temperature.
And S3, utilizing an ignition module of the transformer insulating oil testing device to perform ignition test on the insulating oil to be tested at the test temperature based on preset test ignition energy.
Specifically, the ignition module of the transformer insulating oil testing device can be utilized to adjust the ignition energy to the test ignition energy based on the preset external radiation heat flow, and the ignition test is carried out on the insulating oil to be tested at the test temperature by adopting the test ignition energy.
The test temperature and the test ignition energy can be set according to the actual combustion test requirements.
After ignition, the movable radiant stack 31, movable heat shield 33 and movable igniter 32 may be removed.
And S4, acquiring the combustion information of the insulating oil to be tested in real time by utilizing a data acquisition module of the transformer insulating oil testing device.
Specifically, the gas generated by the combustion may be collected into the flue gas chamber 64, and the temperature thermocouple tree 41, the camera 42, the weighing module 43 and the gas analyzer 44 in the data acquisition module may be used to acquire the combustion information such as flame temperature, flame height, insulating oil combustion temperature, flame shape, flame color, mass loss rate, heat release rate, carbon dioxide yield and carbon monoxide yield in the combustion process of the insulating oil to be tested.
The test temperature or the test ignition energy may be revised, and steps S1 to S4 are repeatedly performed to ensure reliability of the evaluation result.
Based on the combustion information, the thermal stability of the insulating oil to be tested was evaluated.
From the above technical solution, it can be seen that this embodiment provides an optional mode for testing the transformer insulating oil by using the transformer insulating oil testing device provided in this application, and by using the above mode, the reliability of the testing result can be further improved.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Various embodiments of the present application may be combined with one another. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The transformer insulating oil testing device is characterized by comprising an oil pool, a temperature control heating module, an ignition module and a data acquisition module;
the oil pool is used for containing transformer insulating oil;
the temperature control heating module is used for controlling the temperature of the transformer insulating oil;
the ignition module is used for regulating and controlling ignition energy and carrying out ignition test on the transformer insulating oil;
the data acquisition module is used for acquiring combustion information of the transformer insulating oil, and the combustion information is used for evaluating the thermal stability of the transformer insulating oil.
2. The transformer insulating oil testing device according to claim 1, further comprising a hood and a smoke evacuation module;
the oil tank, the temperature control heating module and the ignition module are arranged in the accommodating cavity;
the cover body is of a three-dimensional structure with a closed bottom surface, an opening and closing part arranged on the side surface and a top surface communicated with the smoke discharging module;
and the smoke exhausting module is used for collecting and exhausting gas generated by the combustion of the transformer insulating oil.
3. The transformer insulating oil testing device according to claim 2, wherein the smoke exhaust module comprises a smoke collecting hood, a smoke exhaust pipeline, a smoke exhaust fan and a smoke chamber;
the fume collecting hood is connected with the top of the hood body;
the fume collecting hood is used for collecting gas generated by the combustion of the transformer insulating oil;
the smoke exhaust fan is arranged in the smoke exhaust pipeline;
one end of the smoke exhaust pipeline is connected with the smoke collecting hood, and the other end of the smoke exhaust pipeline is connected with the smoke chamber;
the smoke exhaust fan is used for guiding the gas in the smoke collecting hood to be converged to the smoke chamber through the smoke exhaust pipeline.
4. The transformer insulating oil testing device according to claim 1, wherein the oil pool is provided with a thermocouple;
the thermocouple is used for collecting the temperature of the transformer insulating oil and transmitting the collected temperature to the temperature control heating module.
5. The transformer insulating oil testing device according to claim 1, wherein the temperature control heating module is configured to heat the transformer insulating oil in the oil tank by using an oil bath heating method.
6. The transformer insulating oil testing device of claim 1, wherein the ignition module comprises a movable radiant stack and a movable igniter;
the movable radiation pile is used for providing different external radiation heat flows for the movable igniter so as to regulate and control the ignition energy of the movable igniter fire source;
the movable igniter is used for performing ignition test on the transformer insulating oil through fire sources with different ignition energies.
7. The transformer insulating oil testing device of claim 6, wherein the ignition module further comprises a movable heat shield;
the movable heat insulation plate is used for insulating the movable igniter and the transformer insulating oil when an ignition test is not needed.
8. The transformer insulating oil testing device according to claim 1, wherein the combustion information comprises any one or more of: flame temperature during the insulating oil combustion process, flame height, insulating oil combustion temperature, flame morphology, flame color, mass loss rate, heat release rate, carbon dioxide yield, and carbon monoxide yield.
9. The transformer insulating oil testing device of claim 8, wherein the data acquisition module comprises any one or more of: the temperature thermocouple comprises a temperature thermocouple tree, a camera, a weighing module and a gas analyzer;
the temperature thermocouple tree is used for measuring the flame temperature and the insulating oil combustion temperature;
the weighing module is used for determining the weight of transformer insulating oil in the oil pool so as to determine the mass loss rate;
the camera is used for shooting and recording the flame of the transformer insulating oil so as to determine the flame height, the flame shape and the flame color;
the gas analyzer is configured to determine the heat release rate, the carbon dioxide yield, and the carbon monoxide yield.
10. A method for testing insulating oil of a transformer, comprising:
taking the transformer insulating oil testing device as set forth in any one of claims 1-9 as a testing device;
placing insulating oil to be tested in an oil tank of the testing device;
heating the insulating oil to be tested in the oil tank to a preset test temperature by adopting a temperature control heating module of the test device;
the ignition module of the testing device is utilized to perform ignition test on the insulating oil to be tested at the test temperature based on the preset test ignition energy;
and acquiring the combustion information of the insulating oil to be tested in real time by utilizing a data acquisition module of the testing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311690723.4A CN117761114A (en) | 2023-12-08 | 2023-12-08 | Transformer insulating oil testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311690723.4A CN117761114A (en) | 2023-12-08 | 2023-12-08 | Transformer insulating oil testing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117761114A true CN117761114A (en) | 2024-03-26 |
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