CN111722070A - Integrated pressure regulating device - Google Patents
Integrated pressure regulating device Download PDFInfo
- Publication number
- CN111722070A CN111722070A CN202010628733.5A CN202010628733A CN111722070A CN 111722070 A CN111722070 A CN 111722070A CN 202010628733 A CN202010628733 A CN 202010628733A CN 111722070 A CN111722070 A CN 111722070A
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- voltage
- voltage regulator
- test
- pressure regulating
- transformer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/16—Construction of testing vessels; Electrodes therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides an integrated voltage regulating device which comprises a voltage regulator and a test voltage transformer, wherein the voltage regulator and the test voltage transformer are integrally arranged in a box body, the input end of the voltage regulator is connected with an external power supply, the output end of the voltage regulator is electrically connected with the input end of the test voltage transformer, the instrument end of the voltage regulator is electrically connected with the instrument end of the test voltage transformer, and the grounding end of the voltage regulator is electrically connected with the grounding end of the test voltage transformer; the grounding end of the voltage transformer is grounded; the high-voltage output end of the test voltage transformer is arranged on the outer surface of the box body, and the high-voltage output end is used for connecting the test voltage transformer with the switch cabinet by adopting a high-voltage test wire. When the partial discharge points of the 10kV switch cabinet need to be checked by pressurizing one by one, only the high-voltage output end is connected with the 10kV switch cabinet by adopting a high-voltage test wire, so that the wiring process of a high-voltage test transformer device is effectively simplified, and the working efficiency of checking the partial discharge points of the switch cabinet is improved.
Description
Technical Field
The invention relates to the technical field of power equipment devices, in particular to an integrated voltage regulating device.
Background
When the partial discharge live test is carried out in the operation of the 10kV switch cabinet, the power failure treatment is needed when the test value exceeds 40 dB. At present, a high-voltage test transformer device is mainly adopted to carry out phase-by-phase pressurization on a 10kV switch cabinet, and phase-by-phase investigation and partial discharge point search are carried out in the pressurization process. The fault location work of the discharge point in the 10kV switch cabinet belongs to the unplanned work and has the characteristics of uncertainty, contingency and the like, and if the discharge point is searched by pressurizing by using a high-voltage test transformer device, the following defects exist: the testing personnel need to externally adopt five testing wiring lines to connect the voltage regulating box and the testing voltage transformer, and the wiring process is complicated, so that the working efficiency is low, and the risk of wrong wiring is caused; the pressure regulating box and the test voltage transformer are heavy, the weight of the pressure regulating box is 17kg, the weight of the test voltage transformer is 33kg, two persons are required to carry the pressure regulating box and the test voltage transformer respectively, and the problem of high human resource consumption exists.
The publication number CN205524361U provides a high-voltage test transformer transfer device, which is used for carrying a high-voltage test transformer, but still cannot solve the problems of complicated wiring process and low preparation efficiency of the high-voltage test transformer device.
Disclosure of Invention
The invention provides an integrated voltage regulating device for overcoming the defects of complex wiring process and low preparation work efficiency of a high-voltage test transformer device in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an integrated voltage regulating device comprises a voltage regulator and a test voltage transformer which are integrated in a box body, wherein the input end of the voltage regulator is connected with an external power supply, the output end of the voltage regulator is electrically connected with the input end of the test voltage transformer, the instrument end of the voltage regulator is electrically connected with the instrument end of the test voltage transformer, and the grounding end of the voltage regulator is electrically connected with the grounding end of the test voltage transformer; the grounding end of the voltage transformer is grounded; the high-voltage output end of the test voltage transformer is arranged on the outer surface of the box body, and the high-voltage output end is used for connecting the test voltage transformer with the switch cabinet by adopting a high-voltage test wire.
In the technical scheme, the voltage regulator and the test voltage transformer are integrally arranged in the box body, and the voltage regulator and the test voltage transformer are internally wired in the box body. When the partial discharge points of the 10kV switch cabinet need to be checked by pressurizing one by one, only the high-voltage output end is connected with the 10kV switch cabinet by adopting a high-voltage test wire, so that the wiring process of a high-voltage test transformer device is effectively simplified, and the working efficiency of checking the partial discharge points of the switch cabinet is improved.
Preferably, the maximum output voltage of the voltage regulator is 0.6 kV.
Preferably, the device also comprises a pressure regulating hand wheel for regulating the output voltage of the pressure regulator, the pressure regulating hand wheel is arranged on one side surface of the box body, and the pressure regulating hand wheel is connected with the control end of the pressure regulator.
Preferably, the device further comprises a key module for controlling the starting and stopping of the voltage regulator, the key module is arranged on one side face of the box body, and the output end of the key module is connected with the control end of the voltage regulator.
Preferably, a time relay is further arranged in the voltage regulator, and the time relay is electrically connected with the output end of the voltage regulator.
Preferably, a current relay is further arranged in the voltage regulator, and the current relay is electrically connected with the output end of the voltage regulator.
Preferably, a plurality of heat dissipation holes are uniformly formed in the box body.
Preferably, the bottom of the box body is provided with rollers.
Preferably, the outer surface of the box body is covered and provided with an insulating layer.
Preferably, handles are provided on both sides of the case.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the invention, the voltage regulator and the test voltage transformer are integrated in the box body, and the voltage regulator and the test voltage transformer are internally wired in the box body, so that the wiring process of the high-voltage test transformer device is effectively simplified, and the working efficiency of the local discharge point inspection of the switch cabinet is improved.
Drawings
Fig. 1 is a schematic structural view of the inside of an integrated pressure regulating device of embodiment 1.
Fig. 2 is a schematic structural view of the outside of the case of embodiment 2.
Fig. 3 is a schematic structural view of the inside of the integrated pressure regulating device of embodiment 3.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides an integrated pressure regulating device, as shown in fig. 1, which is a schematic structural diagram of the integrated pressure regulating device of the present embodiment.
In the integral type pressure regulating device that this embodiment provided, including integrated voltage regulator 2 and the experimental voltage transformer 3 that sets up in box 1 inside to adopt internal connection to accomplish the wiring process with voltage regulator 2 and experimental voltage transformer 3 in advance in box 1. The input end of the voltage regulator 2 is connected with an external power supply, the output end of the voltage regulator 2 is electrically connected with the input end of the test voltage transformer 3, the instrument end of the voltage regulator 2 is electrically connected with the instrument end of the test voltage transformer 3, and the grounding end of the voltage regulator 2 is electrically connected with the grounding end of the test voltage transformer 3; the grounding end of the voltage transformer is grounded; the high-voltage output end 31 of the test voltage transformer 3 is arranged on the outer surface of the box body 1, and the high-voltage output end 31 is used for being connected with a 10kV switch cabinet by adopting a high-voltage test wire.
In this embodiment, when the local discharge point is searched after the power failure of the 10kV switchgear, it is necessary to perform phase-by-phase pressurization on the 10kV switchgear by using the high-voltage test transformer device, perform phase-by-phase troubleshooting and search the local discharge point in the pressurization process. The applied voltage Us is rated line voltage 10kV 0.58 kV. Based on the above principle, the voltage regulator 2 of the present embodiment selects the voltage regulator 2 with the input voltage of 220V AC and the maximum output voltage of 0.6kV, and the weight of the voltage regulator 2 of the specification is much smaller than that of the conventionally used voltage regulating box, and meanwhile, the requirement of searching and finding the voltage of the partial discharge point can be met.
In the specific implementation process, when the partial discharge points of the 10kV switch cabinet need to be checked by pressurizing one by one, only a high-voltage test wire is needed to be adopted to connect the high-voltage output end with the 10kV switch cabinet.
In a specific embodiment, for the 10kV 706 switch partial discharge test, a high-voltage test transformer device in a conventional test method is adopted, the time is taken for 20 minutes from carrying to preparing test wiring, and after the test is completed, the total time for preparing an instrument is taken for 40 minutes, and at least 3 testers are required to complete the test; and adopt the integral type pressure regulating device that this embodiment provided, from handling device to preparing experimental wiring, only need consuming time 5 minutes, and the test is accomplished the back, and the preparation time total consumption of instrument is 10 minutes, only needs 1 experimenter can accomplish the wiring process.
Example 2
In this embodiment, an integrated pressure regulating device is provided based on embodiment 1, and as shown in fig. 2, the structure of the integrated pressure regulating device is schematically illustrated.
In the integrated pressure regulating device provided by the embodiment, the pressure regulating hand wheel 4 and the key module 5 are additionally arranged on the surface of the box body 1. The pressure regulating hand wheel 4 is arranged on one side surface of the box body 1, and the pressure regulating hand wheel 4 is connected with the control end of the pressure regulator 2 and used for regulating the output voltage of the pressure regulator 2; the key module 5 is arranged on one side surface of the box body 1, and the output end of the key module 5 is connected with the control end of the voltage regulator 2 and used for controlling the start and stop of the voltage regulator 2.
In addition, in this embodiment, evenly be provided with a plurality of louvres 6 on the box 1, the gyro wheel 7 has been add to the box 1 bottom, and box 1 surface cover is provided with the insulating layer, and box 1 both sides are provided with handle 8.
In the concrete implementation process, the tester can cooperate the handle 8 and the gyro wheel 7 that set up on the box 1 to carry, effectively reduces the manpower resources loss in the handling. After the integrated voltage regulating device is carried to the position of a target switch cabinet, when the 10kV switch cabinet needs to be pressurized one by one to investigate partial discharge points, only a high-voltage test wire needs to be adopted to connect a high-voltage output end with the 10kV switch cabinet. In the process of local discharge point troubleshooting operation, a tester can control the starting of the voltage regulator 2 through the key module 5 arranged on the box body 1, and then control the output voltage of the voltage regulator 2 through the voltage regulating hand wheel 4 arranged on the box body 1, so that the control device can gradually add voltage, and the local discharge point troubleshooting operation is realized. After the work of checking the partial discharge points is finished, the case module arranged on the box body 1 controls the voltage regulator 2 to stop working, and the high-voltage test line connecting the test voltage transformer 3 and the 10kV switch cabinet in the integrated voltage regulator is pulled out, so that the disassembly and assembly operation of the integrated voltage regulator is finished.
In the embodiment, the pressure regulating hand wheel 4 and the key module 5 are additionally arranged on the box body 1, so that the working state of the pressure regulator 2 arranged in the box body 1 can be directly controlled on the outer surface of the device box body 1, and the efficiency of local discharge point investigation operation is effectively improved; through add handle 8, pulley, louvre 6 and insulating overburden on box 1, can further make things convenient for test personnel handling device, ensure the heat dissipation and the insulation of integral type regulator in the course of the work simultaneously, effectively ensure test personnel's operation safety.
Example 3
In the present embodiment, a time relay 9 and a current relay 10 are added to the voltage regulator 2 in addition to the integrated voltage regulator proposed in embodiment 1 or embodiment 2. Fig. 3 is a schematic structural diagram of the integrated pressure regulating device of the present embodiment.
In this embodiment, the additional time relay 9 is electrically connected to the output terminal of the voltage regulator 2, and is used to control the on/off of the output voltage, thereby realizing a certain time delay function and meeting the requirement of the local discharge point inspection operation.
In this embodiment, the current relay 10 that adds is connected with the output of voltage regulator 2, and when the output voltage of voltage regulator 2 was greater than its predetermined threshold value, current relay 10 disconnection voltage regulator 2 output and the connection between current relay 10 input, and then the circuit between protection voltage regulator 2 and the experimental voltage transformer 3.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The integrated voltage regulating device is characterized by comprising a voltage regulator and a test voltage transformer which are integrally arranged in a box body, wherein the input end of the voltage regulator is connected with an external power supply, the output end of the voltage regulator is electrically connected with the input end of the test voltage transformer, the instrument end of the voltage regulator is electrically connected with the instrument end of the test voltage transformer, and the grounding end of the voltage regulator is electrically connected with the grounding end of the test voltage transformer; the grounding end of the voltage transformer is grounded; the high-voltage output end of the test voltage transformer is arranged on the outer surface of the box body, and the high-voltage output end is used for adopting a high-voltage test wire to connect the test voltage transformer with the switch cabinet.
2. The integrated pressure regulating device according to claim 1, wherein: the maximum output voltage of the voltage regulator is 0.6 kV.
3. The integrated pressure regulating device according to claim 1, wherein: the device is still including being used for adjusting the pressure regulating hand wheel of the output voltage size of voltage regulator, the pressure regulating hand wheel sets up a box side, just the pressure regulating hand wheel with the control end of voltage regulator is connected.
4. The integrated pressure regulating device according to claim 1, wherein: the device is still including being used for control the button module that the voltage regulator starts and stops, the button module sets up a box side, just the output of button module with the control end of voltage regulator is connected.
5. The integrated pressure regulating device according to claim 1, wherein: and a time relay is further arranged in the voltage regulator and is electrically connected with the output end of the voltage regulator.
6. The integrated pressure regulating device according to claim 1, wherein: and a current relay is further arranged in the voltage regulator and is electrically connected with the output end of the voltage regulator.
7. The integrated pressure regulating device according to any one of claims 1 to 6, wherein: a plurality of heat dissipation holes are uniformly formed in the box body.
8. The integrated pressure regulating device according to any one of claims 1 to 6, wherein: and the bottom of the box body is provided with rollers.
9. The integrated pressure regulating device according to any one of claims 1 to 6, wherein: and an insulating layer covers the outer surface of the box body.
10. The integrated pressure regulating device according to any one of claims 1 to 6, wherein: handles are arranged on two sides of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628733.5A CN111722070A (en) | 2020-07-02 | 2020-07-02 | Integrated pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628733.5A CN111722070A (en) | 2020-07-02 | 2020-07-02 | Integrated pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111722070A true CN111722070A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010628733.5A Pending CN111722070A (en) | 2020-07-02 | 2020-07-02 | Integrated pressure regulating device |
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| Country | Link |
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| CN (1) | CN111722070A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425130A (en) * | 2015-12-25 | 2016-03-23 | 国网山东省电力公司青岛供电公司 | Live operation tool test system and method |
| CN110308390A (en) * | 2019-07-22 | 2019-10-08 | 国网江苏省电力有限公司苏州供电分公司 | Integrated industrial frequency withstand voltage experimental rig |
-
2020
- 2020-07-02 CN CN202010628733.5A patent/CN111722070A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425130A (en) * | 2015-12-25 | 2016-03-23 | 国网山东省电力公司青岛供电公司 | Live operation tool test system and method |
| CN110308390A (en) * | 2019-07-22 | 2019-10-08 | 国网江苏省电力有限公司苏州供电分公司 | Integrated industrial frequency withstand voltage experimental rig |
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Application publication date: 20200929 |
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| RJ01 | Rejection of invention patent application after publication |