CN214624721U - Control system for grading voltage regulation test transformer - Google Patents
Control system for grading voltage regulation test transformer Download PDFInfo
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- CN214624721U CN214624721U CN202121300066.4U CN202121300066U CN214624721U CN 214624721 U CN214624721 U CN 214624721U CN 202121300066 U CN202121300066 U CN 202121300066U CN 214624721 U CN214624721 U CN 214624721U
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Abstract
The utility model discloses a control system for hierarchical pressure regulating test transformer, including a plurality of hierarchical pressure regulating test transformer, controller and a plurality of heat abstractor, hierarchical pressure regulating test transformer is oily formula test transformer, including oil tank and the upper cover of setting at the oil tank top, be provided with iron core, winding, transformer oil, on-load tap switch, temperature sensor and pressure sensor in the oil tank, heat abstractor includes heat dissipation pipeline and cooling fan, the heat dissipation pipeline both ends are oil tank lateral wall connection from top to bottom respectively, the last pump machine of having installed of heat dissipation pipeline, still be provided with the fin on the heat dissipation pipeline, cooling fan sets up on the bottom plate and is located fin department, makes control system can control the heat that a plurality of hierarchical test transformer produced in the operation and cool down, reduces the time of pressure regulating.
Description
Technical Field
The utility model belongs to the technical field of electric power, a control system for hierarchical voltage regulation test transformer is related to.
Background
The transformer is a device for converting alternating voltage, current and impedance, and when alternating current is conducted to the primary coil, alternating magnetic flux is generated in the iron core, so that voltage is induced in the secondary coil. The test transformer is suitable for power frequency or direct current high-voltage insulation strength tests of various high-voltage electrical equipment, electrical equipment elements and insulating materials in power systems, industrial and mining enterprises, scientific research departments and the like, and is essential important equipment in high-voltage tests.
However, the voltage of the existing test transformer fluctuates during operation, the voltage quality is reduced, the test is affected, and the problem of poor heat dissipation effect exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model relates to a control system for hierarchical voltage regulation test transformer, this control system can control the heat that a plurality of hierarchical test transformers produced at the operation in-process and cool down, reduces the time of pressure regulating.
The utility model provides a control system for grading voltage regulation test transformer, including a plurality of grading voltage regulation test transformer, controller and a plurality of heat abstractor, grading voltage regulation test transformer is oily formula test transformer, including oil tank and the upper cover of setting at the oil tank top, be provided with iron core, winding, transformer oil, on-load tap-changer, temperature sensor and pressure sensor in the oil tank, the winding overlaps respectively on the iron core, on-load tap-changer is provided with controlling means on covering, through the tap joint of on-load tap-changer grading regulation corresponding winding (generally high-pressure side), changes the number of turns of coil, reaches the purpose that changes output voltage, on cover and be provided with high-voltage wiring port, low-voltage wiring port and measurement wiring port, be connected with corresponding winding respectively, heat abstractor includes heat dissipation pipeline and cooling fan, the heat dissipation pipeline both ends are oil tank lateral wall connection from top to bottom respectively, the pump machine has been installed on the heat dissipation pipeline, still be provided with the fin on the heat dissipation pipeline, cooling fan sets up on the bottom plate and is located fin department, the controller meets with on-load tap-changer, temperature sensor, pressure sensor and the pump machine in the hierarchical voltage regulation test transformer to and meet with heat abstractor.
Further the controller includes operating panel, digital output module, signal detection module and communication module, operating panel can set up the parameter value, digital output module can control pump machine and heat abstractor's operation, signal detection module links to each other with temperature sensor and the pressure sensor in the oil tank, makes the controller can detect temperature value and the pressure value in the oil tank. The communication module is in remote communication with a control device in the on-load tap-changer.
Further temperature sensor includes sense terminal and signal transmission end, the sense terminal is installed in the oil tank, can detect the temperature value in the oil tank, the signal transmission end passes through the signal connection line and links to each other with the signal detection module of controller, makes the controller can detect temperature sensor's temperature value.
Further pressure sensor includes sense terminal and signal transmission end, the sense terminal is installed in the oil tank, can detect the pressure value in the oil tank, the signal transmission end passes through the signal connection line and links to each other with the signal detection module of controller, makes the controller can detect the parameter value in the pressure sensor.
The pump further comprises a power input port and a control port, the power input port is connected with a power supply through a power connecting wire, and the control port is connected with the digital quantity output module of the controller through a signal connecting wire, so that the controller can automatically control the operation of the pump.
The heat radiation fan further comprises a power input port and a control port, the power input port is connected with a power supply through a connecting wire, and the control port is connected with the digital quantity output module of the controller through a signal connecting wire, so that the controller can automatically control the operation of the heat radiation fan.
The control device of the on-load tap-changer further comprises a communication module, and the communication module is connected with the communication module of the controller to enable the controller to be in communication connection with the on-load tap-changer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a control system for a step voltage regulation test transformer of the utility model;
FIG. 2 is a schematic diagram of a step-by-step voltage regulation test transformer in a control system for a step-by-step voltage regulation test transformer of the utility model;
fig. 3 is a schematic structural view of a heat dissipation device in a control system for a step voltage regulation test transformer.
In the figure: 1. a step voltage regulation test transformer; 2. a controller; 3. a heat sink; 4. an oil tank; 5. an iron core; 6. a winding; 7. transformer oil; 8. an on-load tap-changer; 9. a temperature sensor; 10. a pressure sensor; 11. a heat dissipation pipe; 12. a heat radiation fan; 13. a heat sink; 14. and (4) a pump machine.
Detailed Description
The following describes in detail a specific embodiment of a control system for a step-voltage regulation test transformer according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a control system for grading voltage regulation test transformer, including a plurality of grading voltage regulation test transformers 1, a controller 2 and a plurality of heat abstractor 3, as shown in fig. 2, the grading voltage regulation test transformer 1 is an oil-immersed test transformer, including an oil tank 4 and an upper cover arranged on the top of the oil tank 4, the oil tank 4 is provided with an iron core 5, a winding 6, transformer oil 7, an on-load tap-changer 8, a temperature sensor 9 and a pressure sensor 10, the windings 6 are respectively sleeved on the iron core 5, the on-load tap-changer 8 is provided with a control device on the upper cover, the number of turns of the coil is changed by regulating the tap of the corresponding winding 6 (generally a high-voltage side) in a grading way through the on-load tap-changer 8, the purpose of changing the output voltage is achieved, the upper cover is provided with a high-voltage wiring port, a low-voltage wiring port and a measuring wiring port, be connected with corresponding winding 6 respectively, as shown in fig. 3, heat abstractor 3 includes heat dissipation pipeline 11 and cooling fan 12, 11 both ends of heat dissipation pipeline are the connection of lower part about 4 lateral walls of oil tank respectively, pump machine 14 has been installed on the heat dissipation pipeline 11, still be provided with fin 13 on the heat dissipation pipeline 11, cooling fan 12 sets up on the bottom plate and is located fin 13 department, controller 2 meets with on-load tap-changer 8, temperature sensor 9, pressure sensor 10 and pump machine 14 in hierarchical voltage regulation test transformer 1 to and meet with heat abstractor 3.
According to the above, wherein the controller 2 includes an operation panel, a digital output module, a signal detection module and a communication module, the operation panel can set parameter values, the digital output module can control the operation of the pump 14 and the heat dissipation device 3, and the signal detection module is connected with the temperature sensor 9 and the pressure sensor 10 in the oil tank 4, so that the controller 2 can detect the temperature value and the pressure value in the oil tank 4. The communication module communicates remotely with the control device in the on-load tap-changer 8.
According to the above, wherein the temperature sensor 9 comprises a detection end and a signal transmission end, the detection end is installed in the oil tank 4 and can detect the temperature value in the oil tank 4, and the signal transmission end is connected with the signal detection module of the controller 2 through a signal connection line, so that the controller 2 can detect the temperature value of the temperature sensor 9.
According to the above, the pressure sensor 10 includes a detection end and a signal transmission end, the detection end is installed in the oil tank 4 and can detect the pressure value in the oil tank 4, and the signal transmission end is connected with the signal detection module of the controller 2 through a signal connection line, so that the controller 2 can detect the parameter value in the pressure sensor 10.
According to the above, the pump 14 includes a power input port and a control port, the power input port is connected to a power supply through a power connection line, and the control port is connected to the digital output module of the controller 2 through a signal connection line, so that the controller 2 can automatically control the operation of the pump 14.
According to the above, the heat dissipation fan 12 includes a power input port and a control port, the power input port is connected to a power supply through a connection line, and the control port is connected to the digital output module of the controller 2 through a signal connection line, so that the controller 2 can automatically control the operation of the heat dissipation fan 12.
According to the above, the control device of the on-load tap-changer 8 comprises a communication module, which is connected to the communication module of the controller 2, so that the controller 2 is in communication connection with the on-load tap-changer 8.
The working principle of the control system for the step voltage regulation test transformer is as follows: the controller 2 operates the on-load control switches and the heat sink 3 of each step-voltage regulating test transformer 1. The controller 2 operates the pump 14 according to the temperature value in the grading voltage regulation test transformer 1, so that the transformer oil 7 in the transformer is pumped out through the heat dissipation pipeline 11 and is subjected to heat dissipation treatment through the heat dissipation device 3. The controller 2 detects temperature parameter values and pressure parameter values in each grading voltage regulation test transformer 1, judges whether the grading voltage regulation test transformer 1 can increase the operation amount or not, and controls the on-load tap-changer 8 to regulate tap joints of corresponding windings 6 (generally on a high-voltage side) in a grading manner to change the number of turns of the coils, so that the purpose of changing output voltage is achieved, the voltage quality is improved, and the normal operation of the test is ensured.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a control system for hierarchical pressure regulating test transformer, its characterized in that includes a plurality of hierarchical pressure regulating test transformer, controller and a plurality of heat abstractor, hierarchical pressure regulating test transformer is oily formula test transformer, includes the oil tank and sets up the upper cover at the oil tank top, be provided with iron core, winding, transformer oil, on-load tap-changer, temperature sensor and pressure sensor in the oil tank, the winding is established respectively on the iron core, on-load tap-changer is provided with controlling means on covering, and the tap joint through the corresponding winding of on-load tap-changer hierarchical regulation changes the number of turns of coil, reaches the purpose that changes output voltage, on covering and being provided with high-pressure wiring port, low-voltage wiring port and measuring wiring port, be connected with corresponding winding respectively, heat abstractor includes heat dissipation pipeline and cooling fan, the heat dissipation pipeline both ends are oil tank lateral wall connection from top to bottom respectively, the pump machine has been installed on the heat dissipation pipeline, still be provided with the fin on the heat dissipation pipeline, cooling fan sets up on the bottom plate and is located fin department, the controller meets with on-load tap-changer, temperature sensor, pressure sensor and the pump machine in the hierarchical voltage regulation test transformer to and meet with heat abstractor.
2. The control system for the step-voltage-regulating test transformer according to claim 1, wherein the controller comprises an operation panel, a digital output module, a signal detection module and a communication module, the operation panel can set parameter values, the digital output module can control the operation of the pump and the heat dissipation device, the signal detection module is connected with a temperature sensor and a pressure sensor in the oil tank, so that the controller can detect the temperature value and the pressure value in the oil tank, and the communication module is in remote communication with the control device in the on-load tap-changer.
3. The control system for the step voltage regulation test transformer according to claim 2, wherein the temperature sensor comprises a detection end and a signal transmission end, the detection end is installed in the oil tank and can detect the temperature value in the oil tank, and the signal transmission end is connected with the signal detection module of the controller through a signal connection line, so that the controller can detect the temperature value of the temperature sensor.
4. The control system for the step voltage regulation test transformer according to claim 2, wherein the pressure sensor comprises a detection end and a signal transmission end, the detection end is installed in the oil tank and can detect the pressure value in the oil tank, and the signal transmission end is connected with the signal detection module of the controller through a signal connection line, so that the controller can detect the parameter value in the pressure sensor.
5. The control system for the step voltage regulation test transformer according to claim 2, wherein the pump comprises a power input port and a control port, the power input port is connected to a power supply through a power connection line, and the control port is connected to the digital output module of the controller through a signal connection line, so that the controller can automatically control the operation of the pump.
6. The control system for the step voltage regulation test transformer according to claim 2, wherein the cooling fan comprises a power input port and a control port, the power input port is connected to a power supply through a connecting wire, and the control port is connected to the digital output module of the controller through a signal connecting wire, so that the controller can automatically control the operation of the cooling fan.
7. The control system for the step-voltage test transformer according to claim 2, wherein the control device of the on-load tap-changer comprises a communication module, and the communication module is connected with the communication module of the controller so that the controller is in communication connection with the on-load tap-changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300066.4U CN214624721U (en) | 2021-06-10 | 2021-06-10 | Control system for grading voltage regulation test transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300066.4U CN214624721U (en) | 2021-06-10 | 2021-06-10 | Control system for grading voltage regulation test transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214624721U true CN214624721U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121300066.4U Active CN214624721U (en) | 2021-06-10 | 2021-06-10 | Control system for grading voltage regulation test transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214624721U (en) |
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2021
- 2021-06-10 CN CN202121300066.4U patent/CN214624721U/en active Active
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