CN212808470U - Arc suppression coil debugging device - Google Patents
Arc suppression coil debugging device Download PDFInfo
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- CN212808470U CN212808470U CN202022053555.6U CN202022053555U CN212808470U CN 212808470 U CN212808470 U CN 212808470U CN 202022053555 U CN202022053555 U CN 202022053555U CN 212808470 U CN212808470 U CN 212808470U
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Abstract
The utility model discloses an arc suppression coil debugging device relates to electrical control technical field, but the affirmation of voltage, the electric current of having solved arc suppression coil automatic compensation can't carry out the problem verified to its tracking compensation function. The utility model comprises a main controller, a power panel, a display, an encoder, a switching relay A, a switching relay B, an outlet relay A and an outlet relay B are electrically connected on the main controller, and a capacitor array A and a capacitor array B are respectively connected on the switching relay A and the switching relay B; the outlet relay A and the outlet relay B are respectively connected with the autotransformer A and the autotransformer B, and the autotransformer A and the autotransformer B are respectively connected with the voltage output port V2 and the voltage output port V1. The utility model discloses promote arc suppression coil fortune dimension maintenance efficiency by a wide margin, have very high application promotion value.
Description
Technical Field
The utility model relates to an electrical control technical field, concretely relates to arc suppression coil debugging device.
Background
As can be seen from previous operating experience, the debugging work of the arc-extinguishing coil before commissioning is very important. The debugging method commonly adopted by installation and debugging personnel at present is to utilize a capacitor and a simple test transformer to add capacitive current at a station grounding transformer and add neutral point voltage at a terminal strip of an arc suppression coil controller for simulation test. The method can confirm the voltage and current of the automatic compensation of the arc suppression coil, but cannot verify the tracking compensation function of the arc suppression coil, and hidden dangers are buried for safe and stable operation of the system. On the other hand, due to the fact that installation and debugging personnel have different ideas, different skill levels and different configurations of field devices of all substations, under the current situation that professional arc suppression coil automatic control devices are lacked for debugging the devices, the debugging process is easy to be disordered, the operation is complex, the debugging result is not reliable, and equipment damage and casualties are caused seriously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the confirmation of arc suppression coil automatic compensation's voltage, electric current can't verify its tracking compensation function, the utility model provides an arc suppression coil debugging device who solves above-mentioned problem.
The arc suppression coil debugging device comprises a main controller, wherein the main controller is electrically connected with a power panel, a display, an encoder, a switching relay A, a switching relay B, an outlet relay A and an outlet relay B, and the switching relay A and the switching relay B are respectively connected with a capacitor array A and a capacitor array B; one output end of the outlet relay A is connected with a movable contact of the self-coupling voltage regulator A, and the other output end of the outlet relay A is connected with a zero line of a voltage output port V1; one output end of the outlet relay B is connected with a movable contact of the autotransformer B, and the other output end of the outlet relay B is connected with a zero line of a voltage output port V2; and the output ends of the autotransformer A and the autotransformer B are connected with live wires of a voltage output port V1 and a voltage output port V2, and the capacitor array A and the capacitor array B are respectively connected with a voltage output port V1 and a voltage output port V2.
Furthermore, the main controller is electrically connected with a Uart interface, an Eth interface and a Usb interface.
Furthermore, the output ends of the autotransformer A and the autotransformer B are connected with the input end of the transformer in series, the output end of the transformer is connected with the current output port I, and the output end of the transformer is provided with a variable capacitor.
Further, capacitor array A and capacitor array B each include 1 10 μ F capacitor, 220 μ F capacitors, 3 55 μ F capacitors, 330VAC capacitor, and C6G motor capacitor connected in parallel with each other.
Debugging personnel connect arc suppression coil debugging device on the grounding transformer for the station, simulate unbalanced voltage and system capacitance, through the master controller, switching relay A and switching relay B select different capacitance values, and realize simulating unbalanced voltage through autotransformer A and autotransformer B, and compare arc suppression coil's actual result and the result on the arc suppression coil debugging device, and show on the display screen, check arc suppression coil control debugging system's accuracy.
Two open contacts of the arc suppression coil control debugging system are connected to the switching value of the arc suppression coil debugging device, the voltage value and the capacitance current of a 10kV line are adjusted, the on-off conditions of a medium resistance switching contact and a line selection tripping contact and setting values of neutral point voltage and line selection tripping current can be tested, and the setting values are displayed on a display screen.
Two sets of voltage output ports V2 and a voltage output port V1 of the arc suppression coil tuning device are respectively connected to two grounding transformers for stations, a bus-coupled switch of an arc suppression coil main machine is short-circuited at the same time (or a bus-coupled position button is pressed), and the correctness of gear shifting during parallel operation is verified for two sets of arc suppression input voltages and capacitors.
The utility model discloses have following advantage and beneficial effect:
the utility model discloses combine different model arc suppression coil tuning device's debugging and operation experience, debug arc suppression coil automatic control device, promote arc suppression coil fortune dimension maintenance efficiency by a wide margin, have very high application promotion and worth.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a system diagram of a crowbar coil tuning apparatus.
Fig. 2 is a circuit diagram of the connection of two autotransformers.
Fig. 3 is a circuit diagram of the connection between the arc suppression coil tuning device and the arc suppression coil.
Detailed Description
Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any inventive improvement belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the arc suppression coil debugging device comprises a main controller, the main controller is electrically connected with a power panel, a display, an encoder, a switching relay a, a switching relay B, an outlet relay a and an outlet relay B, and the switching relay a and the switching relay B are respectively connected with a capacitor array a and a capacitor array B; one output end of the outlet relay A is connected with a movable contact of the self-coupling voltage regulator A, and the other output end of the outlet relay A is connected with a zero line of a voltage output port V1; one output end of the outlet relay B is connected with a movable contact of the autotransformer B, and the other output end of the outlet relay B is connected with a zero line of a voltage output port V2.
The output ends of the autotransformer A and the autotransformer B are respectively connected with the live wires of a voltage output port V1 and a voltage output port V2; the capacitor array a and the capacitor array B are connected to the voltage output port V2 and the voltage output port V1, respectively. The power panel is connected with a 220V power socket and a power switch to control the power switch-off; the input ends of the autotransformer A and the autotransformer B are both connected with 220V alternating current; the main controller adopts DP83848KSQ chip.
The scheme combines the debugging and the operation experience of arc suppression coil tuning devices of different models, debugs the automatic control device of the arc suppression coil, greatly improves the operation and maintenance efficiency of the arc suppression coil, and has very high application and popularization values.
As shown in fig. 3, the debugging personnel connect arc suppression coil debugging device on the grounding transformer for the station, simulate unbalanced voltage and system capacitance, through the master controller, switching relay A and switching relay B select different capacitance values, and through autotransformer A and autotransformer B simulation unbalanced voltage, and compare arc suppression coil's actual result with the result on the arc suppression coil debugging device, show on the display screen, check arc suppression coil control debugging system's accuracy.
Two sets of voltage output ports V2 and a voltage output port V1 of the arc suppression coil tuning device are respectively connected to two grounding transformers for stations, a bus-coupled switch of an arc suppression coil main machine is short-circuited at the same time (or a bus-coupled position button is pressed), and the correctness of gear shifting during parallel operation is verified for two sets of arc suppression input voltages and capacitors.
The main controller is electrically connected with a Uart interface, an Eth interface and a Usb interface. The Usb interface can lead out real-time test data of the system, and the Eth interface provides a network cable and a serial port and can be used for upgrading and debugging the system; the Uart interface can be connected with a printer to print real-time test data of the system.
The switching relay A, the switching relay B, the outlet relay A and the outlet relay B are electrically connected with the master controller through the outlet board A and the outlet board B respectively, the power supply board provides 5V/2A electricity for the master controller, and provides 24V/0.2A electricity for the outlet board A and the outlet board B.
The output ends of the autotransformer A and the autotransformer B are connected with the input end of the transformer, the output end of the transformer is connected with the current output port I, and the output end of the transformer is provided with a variable capacitor. Capacitor array A and capacitor array B each include 1 10 μ F capacitor, 220 μ F capacitors, 3 55 μ F capacitors, 330VAC capacitor, and C6G motor capacitor connected in parallel with each other.
Two switching output contacts of the arc suppression coil control debugging system are respectively connected to two switching value input interfaces of the arc suppression coil debugging device, the two switching value input interfaces are respectively arranged on an outlet plate A and an outlet plate B, the voltage value and the capacitance current of a 10kV line are adjusted, the on-off conditions of a medium resistance switching contact and a line selection tripping contact and setting values of neutral point voltage and line selection tripping current can be tested, and the on-off conditions and the setting values are displayed on a display screen.
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 description is only the embodiments of the present invention, and is not intended to limit the scope of 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 (4)
1. An arc suppression coil debugging device is characterized by comprising a main controller, wherein the main controller is electrically connected with a power panel, a display, an encoder, a switching relay A, a switching relay B, an outlet relay A and an outlet relay B, and the switching relay A and the switching relay B are respectively connected with a capacitor array A and a capacitor array B; one output end of the outlet relay A is connected with a movable contact of the self-coupling voltage regulator A, and the other output end of the outlet relay A is connected with a zero line of a voltage output port V1; one output end of the outlet relay B is connected with a movable contact of the self-coupling voltage regulator B, and the other output end of the outlet relay B is connected with a zero line of a voltage output port V2; the output end of the autotransformer A and the autotransformer B is connected with the live wires of the voltage output port V1 and the voltage output port V2, and the capacitor array A and the capacitor array B are respectively connected with the voltage output port V1 and the voltage output port V2.
2. The arc suppression coil debugging device according to claim 1, wherein a Uart interface, an Eth interface and a Usb interface are electrically connected to the master controller.
3. An arc suppression coil debugging device according to claim 1, wherein the output ends of the autotransformer A and the autotransformer B are connected in series with the input end of the transformer, the output end of the transformer is connected with the current output port I, and the output end of the transformer is provided with a variable capacitor.
4. An arc suppression coil debugging device according to claim 1, wherein each of said capacitor arrays a and B comprises 1 capacitor of 10 μ F, 2 capacitors of 20 μ F, 3 capacitors of 55 μ F, 330VAC and C6G motor capacitors connected in parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053555.6U CN212808470U (en) | 2020-09-18 | 2020-09-18 | Arc suppression coil debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053555.6U CN212808470U (en) | 2020-09-18 | 2020-09-18 | Arc suppression coil debugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808470U true CN212808470U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022053555.6U Active CN212808470U (en) | 2020-09-18 | 2020-09-18 | Arc suppression coil debugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808470U (en) |
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2020
- 2020-09-18 CN CN202022053555.6U patent/CN212808470U/en active Active
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