CN220419554U - Comprehensive test device for current transformer - Google Patents
Comprehensive test device for current transformer Download PDFInfo
- Publication number
- CN220419554U CN220419554U CN202321801863.XU CN202321801863U CN220419554U CN 220419554 U CN220419554 U CN 220419554U CN 202321801863 U CN202321801863 U CN 202321801863U CN 220419554 U CN220419554 U CN 220419554U
- Authority
- CN
- China
- Prior art keywords
- container
- current
- current transformer
- booster
- controller
- 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
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 241000255925 Diptera Species 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The application discloses a comprehensive test device of a current transformer, which belongs to the technical field of test equipment and comprises a container, wherein a current booster is arranged in the container; the current booster is connected with a voltage regulating device, the voltage regulating device is connected with a controller, and the controller is connected with a mutual inductor comprehensive tester; the current booster is also connected with reactive compensation equipment; and the current booster is connected with the mutual inductor comprehensive tester, then led out of the container through a copper bar, and connected to a current transformer to be tested outside the container. On the premise of ensuring insulation distance and heat dissipation, all products are compactly integrated in the container, so that the volume of the products is reduced, the damage of equipment in the container caused by wind, sun, birds, beasts, mosquitoes and the like is avoided, and the protection effect is realized; the wiring is finished in advance inside, only need connect the copper bar that exposes outside the container during the test can, convenient to use.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a comprehensive test device for a current transformer.
Background
The transformer is also called as an instrument transformer, and is a generic term of a current transformer and a voltage transformer. Can change high voltage into low voltage and large current into small current for measuring or protecting system. The function of the device is mainly to convert high voltage or large current into standard low voltage or standard small current in proportion so as to realize standardization and miniaturization of measuring instruments, protecting equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for separating a high-voltage system to ensure the safety of personnel and equipment, and the current phase difference is from a few amperes to tens of thousands of amperes and the voltage phase difference is from a few volts to millions of volts in a circuit for supplying power and using electricity. The current and voltage in the line are high, as direct measurement is very dangerous. In order to facilitate the secondary instrument measurement to be converted into a relatively uniform current and voltage, a transformer is used for playing roles in variable-current transformation and electrical isolation.
The current transformer has the function of converting primary current with larger value into secondary current with smaller value through a certain transformation ratio, and is used for protection, measurement and other purposes.
Most current transformer comprehensive test devices at present can realize tests, but most current transformer comprehensive test devices can complete test tasks by means of temporary or simply-refitted platform or bulk test equipment, but most current transformer comprehensive test devices are crude and have insufficient protection to the test equipment; the external layout is unreasonable, and the space utilization is insufficient; additional wiring work is required.
Disclosure of Invention
In order to improve the reliability of a laboratory, optimize the structure of the laboratory and simplify the operation, the utility model provides a comprehensive test device for a current transformer.
The technical scheme adopted for solving the technical problems is as follows:
a comprehensive test device for a current transformer is characterized in that products are all placed in a container, and control units, current rising units, compensation units and various control units are integrated, so that the comprehensive test device has the function of active heat dissipation and temperature reduction.
The utility model provides a comprehensive test device for a current transformer, which comprises a container, wherein a current booster is arranged in the container;
the current booster is connected with a voltage regulating device, the voltage regulating device is connected with a controller, and the controller is connected with a mutual inductor comprehensive tester;
the current booster is also connected with reactive compensation equipment;
and the current booster is connected with the mutual inductor comprehensive tester, then led out of the container through a copper bar, and connected to a current transformer to be tested outside the container.
Further, the current booster is connected with a standard current transformer, and the standard current transformer is also connected with a transformer comprehensive tester.
Further, the comprehensive test device further comprises an active heat dissipation mechanism, the active heat dissipation mechanism comprises a temperature control probe and a cross flow fan, the temperature control probe is embedded in a coil of the current booster, the cross flow fan is installed in the container, and the temperature control probe and the cross flow fan are connected with the controller.
Further, a wiring groove is arranged in the container.
Further, a top suction lamp is arranged at the top end in the container.
Further, a protection element is arranged between the controller and the voltage regulating equipment;
the protection element comprises a relay.
Further, the voltage regulating device is connected with a power supply, the voltage of the power supply is 380V, and the capacity is 30KVA.
The utility model has the beneficial effects that:
1. the inside of the test device is not required to be rewiring, and all output terminals are directly led out, so that tedious wiring work is avoided;
2. the laboratory can provide necessary protection for the test equipment carried;
3. the illuminating lamp in the laboratory can provide necessary illumination and warning during maintenance of the laboratory;
4. the overall layout of the test chamber is reasonable, the space utilization rate is high, and the test chamber is concise and beautiful;
5. has active heat dissipation function, and prevents the product from being burnt due to overheat caused by large current.
These and other objects, features and advantages of the present utility model will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic structural diagram of the present application.
Fig. 2 shows a block diagram of the connections between the devices of the present application.
Reference numerals: 1-current booster, 2-standard current transformer, 3-controller, 4-reactive compensation equipment, 5-voltage regulating equipment, 6-container, 7-initiative heat dissipation mechanism, 8-current transformer to be tested, 9-protection component, 10-transformer integrated tester.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the disclosure of the present specification, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1 and 2, a current transformer comprehensive test apparatus according to a preferred embodiment of the present utility model will be described in detail below, wherein the apparatus comprises a container 6, a riser 1 is disposed in the container 6, the riser 1 is connected with a voltage regulating device 5, the voltage regulating device 5 is connected with a controller 3, and the controller 3 is connected with a transformer comprehensive test apparatus 10; the current booster 1 is also connected with reactive compensation equipment 4; the current booster 1 is connected with a mutual inductor comprehensive tester 10, then led out of the container 6 through copper bars, and connected to a current transformer 8 to be tested outside the container 6.
The copper bars are led out of the container 6 and used for connecting the current transformer 8 to be tested, all products are compactly integrated in the container 6 on the premise of ensuring the insulation distance and heat dissipation, the volume of the products is reduced, the damage of equipment in the container 6 such as wind, sun, birds, beasts, mosquitoes and the like is avoided, and the protection effect is realized; the wiring is finished in advance inside, and the copper bars exposed outside the container 6 only need to be connected during the test, so that the use is convenient.
The current transformer 8 to be tested transmits a current signal to the transformer comprehensive tester 10, the transformer comprehensive tester 10 is connected with the controller 3 and sends a trigger signal to the controller 3, and then the controller 3 controls the voltage regulating device 5 to boost or buck, and then controls the current booster 1 to boost, and the current booster 1 provides a high current source. The reactive compensation device 4 reduces the loss of the current booster 1, improves the power supply efficiency, and achieves the effect of completing a large-capacity test by using a small power supply capacity.
According to an embodiment of the utility model, the current booster 1 is connected with a standard current transformer 2, and the standard current transformer 2 is connected with a transformer comprehensive tester 10.
The transformer comprehensive tester 10 comprises a first input end and a second input end, the first input end of the transformer comprehensive tester 10 is connected with the current transformer 8 to be tested, and the second input end of the transformer comprehensive tester 10 is connected with the standard current transformer 2.
The standard current transformer 2 receives the same high current signal from the current transformer 1 to be tested with the current transformer 8 to be tested, the current transformer 8 to be tested transmits the output signal to the first input end of the transformer comprehensive tester 10, meanwhile, the signal output by the standard current transformer 2 is directly transmitted to the second input end of the transformer comprehensive tester 10, the transformer comprehensive tester 10 compares the signal output by the standard current transformer 2 with the signal output by the current transformer 8 to be tested, and finally the controller 3 reads the data to complete the error test.
In the application, the current booster 1 comprises a first input end, a second input end, a first output end and a second output end, wherein the first input end of the current booster 1 is connected with the voltage regulating equipment 5, and the second input end of the current booster 1 is connected with the reactive power compensation equipment 4; the first output end of the current booster 1 is connected with a current transformer 8 to be tested and a transformer comprehensive tester 10, and the second output end of the current booster 1 is connected with a standard current transformer 2.
According to an embodiment of the utility model, the comprehensive test device further comprises an active heat dissipation mechanism 7, the active heat dissipation mechanism 7 comprises a temperature control probe and a cross flow fan, the temperature control probe is embedded in a coil of the current booster 1, the cross flow fan is arranged in the container 6, and the temperature control probe and the cross flow fan are connected with the controller. When the temperature in the coil of the current booster 1 reaches a preset value, the controller 3 controls the cross flow fan to be started for active heat dissipation.
According to one embodiment of the utility model, the wiring groove is arranged in the container 6, so that the container is simple and attractive, and the mess of cables is avoided.
According to an embodiment of the utility model, the top end in the container 6 is provided with a ceiling lamp, so that necessary illumination and warning can be provided during maintenance.
According to an embodiment of the utility model, a protection element 9 is arranged between the controller 3 and the voltage regulating device 5, the protection element 9 comprising a relay. If overcurrent or overvoltage occurs, the controller 3 controls the relay to automatically cut off power and reduce voltage, so as to play a role in protection.
According to an embodiment of the present utility model, the voltage regulating device 5 is connected to a power supply, the voltage of the power supply is 380V, the capacity is 30KVA, and the power supply is connected to the voltage regulating device 5 to provide a stable current source.
In the application, the current booster 1 comprises a first input end, a second input end, a first output end and a second output end, wherein the first input end of the current booster 1 is connected with the voltage regulating equipment 5, and the second input end of the current booster 1 is connected with the reactive power compensation equipment 4; the first output end of the current booster 1 is connected with a current transformer 8 to be tested and a transformer comprehensive tester 10, and the second output end of the current booster 1 is connected with a standard current transformer 2.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (7)
1. The comprehensive test device for the current transformer is characterized by comprising a container (6), wherein a current booster (1) is arranged in the container (6);
the current booster (1) is connected with a voltage regulating device (5), the voltage regulating device (5) is connected with a controller (3), and the controller (3) is connected with a mutual inductor comprehensive tester (10);
the current booster (1) is also connected with reactive compensation equipment (4);
the current booster (1) is connected with the mutual inductor comprehensive tester (10) and then led out of the container (6) through copper bars, and is connected to a current transformer (8) to be tested outside the container (6).
2. The current transformer comprehensive test device according to claim 1, wherein the current booster (1) is connected with a standard current transformer (2), and the standard current transformer (2) is also connected with a transformer comprehensive tester (10).
3. The current transformer comprehensive test device according to claim 1 or 2, further comprising an active heat dissipation mechanism (7), wherein the active heat dissipation mechanism (7) comprises a temperature control probe and a cross flow fan, the temperature control probe is embedded in a coil of the current booster (1), the cross flow fan is arranged in the container (6), and the temperature control probe and the cross flow fan are connected with the controller (3).
4. A current transformer integrated test apparatus as claimed in claim 1, characterized in that a wiring slot is provided in the container (6).
5. The current transformer comprehensive test device according to claim 4, wherein a top end in the container (6) is provided with a ceiling lamp.
6. The current transformer comprehensive test device according to claim 1, wherein a protection element (9) is arranged between the controller (3) and the voltage regulating equipment (5);
the protection element (9) comprises a relay.
7. The current transformer comprehensive test device according to claim 1, wherein the voltage regulating equipment (5) is connected with a power supply, the voltage of the power supply is 380V, and the capacity is 30KVA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801863.XU CN220419554U (en) | 2023-07-10 | 2023-07-10 | Comprehensive test device for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801863.XU CN220419554U (en) | 2023-07-10 | 2023-07-10 | Comprehensive test device for current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419554U true CN220419554U (en) | 2024-01-30 |
Family
ID=89644778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321801863.XU Active CN220419554U (en) | 2023-07-10 | 2023-07-10 | Comprehensive test device for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419554U (en) |
-
2023
- 2023-07-10 CN CN202321801863.XU patent/CN220419554U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209233734U (en) | The power module of frequency converter | |
| CN105515351A (en) | Multi-output power supply | |
| CN220419554U (en) | Comprehensive test device for current transformer | |
| CN113820647A (en) | Distribution network mutual inductor measurement performance calibration system and laboratory calibration device | |
| CN101826707A (en) | Intelligent prefabricated substation | |
| CN208904893U (en) | The power module of frequency converter | |
| CN208239568U (en) | The voltage-withstand test earthing module of frequency converter | |
| CN208904870U (en) | The power module of frequency converter | |
| CN103869114A (en) | Manufacturing technology and device for high-voltage high-power adjustable simulative transformer substation | |
| CN204287311U (en) | A kind of three-phase current sample circuit | |
| CN201947043U (en) | Movable 48V direct current communication power supply | |
| CN210323265U (en) | AC/DC LED universal lamp aging device | |
| CN208352072U (en) | Modularization box type transformer | |
| CN101409513A (en) | Multi-channel switch power supply | |
| CN219874504U (en) | Safe electricity utilization household electric box based on PLC communication | |
| CN201307144Y (en) | Switch cabinet electrical test bench | |
| CN219999043U (en) | Portable small-sized generator parallel operation device | |
| CN218383090U (en) | Converter overhauls test platform | |
| CN114236202B (en) | Power grid impedance debugging system and method | |
| CN110896238A (en) | External direct-current power supply device and method thereof | |
| CN220064308U (en) | Traction motor test system and test bed thereof | |
| CN205213057U (en) | Be applied to empty novel wiring structure of dividing purification electric heater of system | |
| CN214954031U (en) | Transformer substation CT secondary load test device | |
| CN220419553U (en) | Novel voltage transformer comprehensive test unit | |
| CN217590263U (en) | High-frequency direct-current power supply parallel operation communication switching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |