CN113960425B - High-voltage test system for transformer - Google Patents
High-voltage test system for transformer Download PDFInfo
- Publication number
- CN113960425B CN113960425B CN202111218210.4A CN202111218210A CN113960425B CN 113960425 B CN113960425 B CN 113960425B CN 202111218210 A CN202111218210 A CN 202111218210A CN 113960425 B CN113960425 B CN 113960425B
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- China
- Prior art keywords
- tray
- transformer
- grounding
- high voltage
- manipulator
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Classifications
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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
- G01R31/1227—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 of components, parts or materials
-
- 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
- G01R1/14—Braking arrangements; Damping arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of transformer tests, and provides a high-voltage test system for a transformer, which is used for the high-voltage test of the transformer; the device comprises a tray, a measuring cabinet, a grounding device and a manipulator, wherein the tray is provided with a grounding pile and is used for bearing a transformer to be tested; the measuring cabinet is arranged at one side of the tray; the grounding device is arranged on the tray; the grounding device is electrically connected with the measuring cabinet; the manipulator is arranged on one side of the tray, and the manipulator is used for installing a grounding device and electrically connecting the measuring cabinet with the tray. The high-voltage test system solves the problem of manual grounding wires and improves the safety and efficiency of the test.
Description
Technical Field
The invention relates to the technical field of transformer tests, in particular to a high-voltage test system for a transformer.
Background
The high voltage test is a test method for electrical performance of electrical equipment using high voltage. And analyzing and judging various performances according to test results, eliminating latent defects, and timely finding and processing equipment ageing and degradation problems so as to determine the operation reliability of the equipment.
For example, during the manufacture or repair of high-voltage electrical apparatuses, latent defects remain inside the electrical apparatus due to imperfections in the material or process, or due to the operator's carelessness. If the electrical equipment with defects is put into an electrical system to operate, accidents occur at some time; some of the accidents do not occur temporarily, but after a certain period of operation, the original defects further develop due to the actions of power, humidity, temperature and the like, and finally the accidents are expanded. The accident of electric equipment in operation usually causes serious consequences, not only equipment damage, but also line tripping, power interruption and serious influence on social life order and production activities. In order to prevent accidents from occurring in the operation of the electrical equipment, it is necessary to perform high-voltage tests on the electrical equipment in order to find hidden defects in the equipment in time. Therefore, the high-voltage test is an important means for preventing electrical accidents and has important significance for safe operation of the power system.
However, the existing transformer high-voltage test mostly adopts manual wiring, the efficiency is low, the manual wiring is troublesome and the efficiency is low, and moreover, whether the transformer is reliably grounded or not cannot be judged, so that the aim of whole-course unmanned batch detection of detection cannot be really achieved.
Disclosure of Invention
The invention aims to provide a high-voltage test system for a transformer, which solves the problem of manual grounding wire and improves the safety and efficiency of the test.
In order to solve the technical problems, the invention provides a high-voltage test system for a transformer, which is used for high-voltage test of the transformer; the device comprises a tray, a measuring cabinet, a grounding device and a manipulator, wherein the tray is provided with a grounding pile and is used for bearing a transformer to be tested; the measuring cabinet is arranged at one side of the tray; the grounding device is arranged on the tray; the grounding device is electrically connected with the measuring cabinet; the manipulator is arranged on one side of the tray, and the manipulator is used for installing a grounding device and electrically connecting the measuring cabinet with the tray.
Preferably, the bottom surface of the tray is provided with a supporting portion.
Preferably, the tray is a steel tray, and the surface of the tray is made of conductive materials.
Preferably, the grounding device comprises a mounting frame, a mounting plate, a push rod, a sleeve and a propulsion motor; the mounting frame is detachably mounted on the tray, the mounting plate is arranged on the mounting frame, one end of the push rod is detachably connected with the mounting plate, and the other end of the push rod is inserted into the sleeve; the sleeve is connected with the propulsion motor.
Preferably, the mounting frame is of a triangular structure and is provided with an insertion slot into which one corner of the tray is inserted.
Preferably, the two ends of the push rod are respectively provided with an electrode, and the mounting plate is provided with an inserting hole for inserting the electrode.
Preferably, a buffer elastic piece is arranged at the joint of the sleeve and the propulsion motor.
Preferably, the buffer elastic member is a buffer spring.
Preferably, the manipulator is a six-degree-of-freedom manipulator.
Preferably, a grounding detection device is arranged in the measuring cabinet.
The invention has the following beneficial effects:
according to the invention, the tray is arranged, the transformer to be tested is arranged on the tray, the test of the transformer is facilitated, the grounding pile is arranged on the tray, the grounding of the transformer can be realized only by grounding the tray through connecting the grounding pile with the grounding part of the transformer, the grounding efficiency is greatly improved, the grounding step is simplified, the grounding device is arranged on the tray, and the grounding device is connected with the measuring cabinet, so that the grounding of the tray is realized, the efficiency is high, and the safety is realized; in addition, adopt the manipulator to realize installing earthing device and will the measuring cabinet with the tray electricity is connected, has guaranteed the efficiency of wiring, through control manipulator can, easy operation is convenient, and the security is high, guarantees experimental reliability.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage test system for a transformer according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grounding device according to an embodiment of the present invention.
Reference numerals:
1. a tray; 2. a measuring cabinet; 3. a grounding device; 31. a mounting frame; 32. a mounting plate; 33. a push rod; 34. a sleeve; 35. a propulsion motor; 36. a buffer spring; 4. a manipulator; 5. a support part; 6. a transformer.
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.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, the preferred embodiment of the present invention provides a high voltage test system for a transformer, which is used for high voltage test of a transformer 6; the device comprises a tray 1, a measuring cabinet 2, a grounding device 3 and a manipulator 4, wherein the tray 1 is provided with a grounding pile, and the tray 1 is used for bearing a transformer 6 to be tested; the measuring cabinet 2 is arranged on one side of the tray 1; the grounding device 3 is arranged on the tray 1; the grounding device 3 is electrically connected with the measuring cabinet 2; the manipulator 4 is disposed on one side of the tray 1, and the manipulator 4 is used for installing the grounding device 3 and electrically connecting the measuring cabinet 2 with the tray 1.
The working principle of the high-voltage test system of the preferred embodiment of the invention is as follows: placing the transformer 6 on the tray 1, manually connecting a grounding pile of the tray 1 with a grounding part of the transformer 6, and then transporting the tray 1 and the transformer 6 together to a detection station through a forklift; the grounding device 3 is installed on the tray 1 by the manipulator 4, the transformer 6 and the grounding device 3 are connected with the measuring cabinet 2 through wires by the manipulator 4, after wiring is completed, the measuring cabinet 2 starts a high-voltage test, after the test is completed, the wires are removed by the manipulator 4, and the grounding device 3 is detached from the tray 1 by the manipulator 4.
In some preferred embodiments of the invention, the bottom surface of the tray 1 is provided with a support 5. Specifically, the supporting part 5 facilitates the fork truck to insert and slide out the tray 1, and improves the transportation efficiency.
In some preferred embodiments of the present invention, the tray 1 is a steel tray 1, and the surface is made of conductive material. Specifically, the surface of the tray 1 is made of conductive materials, so that the installation of the grounding device 3 is facilitated, the installation position of the grounding device 3 is not required to be limited, the installation efficiency is greatly improved, and the working requirement and difficulty of the manipulator 4 are also reduced.
Referring to fig. 2, in some preferred embodiments of the present invention, the grounding device 3 includes a mounting frame 31, a mounting plate 32, a push rod 33, a sleeve 34, and a propulsion motor 35; the mounting frame 31 is detachably mounted on the tray 1, the mounting plate 32 is arranged on the mounting frame 31, one end of the push rod 33 is detachably connected with the mounting plate 32, and the other end of the push rod is inserted into the sleeve 34; the sleeve 34 is connected to the propulsion motor 35. Specifically, after the grounding device 3 is mounted on the tray 1 by the manipulator 4, the pushing motor 35 drives the sleeve 34 to push toward the tray 1, the sleeve 34 presses one end of the push rod 33 onto the mounting plate 32, and the other end of the push rod 33 is grounded, so that the grounding of the transformer 6 is completed, and when the grounding is not needed, the pushing motor 35 drives the sleeve 34 to retract in a direction away from the tray 1, and the sleeve 34 drives the push rod 33 to be separated from the mounting plate 32.
The propulsion motor 35 is connected to an external power source.
In some preferred embodiments of the present invention, the mounting frame 31 has a triangular structure, and is provided with an insertion slot into which one corner of the tray 1 is inserted. Specifically, the mounting frame 31 is set to the triangle structure to offer the slot on the mounting frame 31, insert the mounting frame 31 and establish on a right angle of tray 1, the occupation of land position that can significantly reduce mounting frame 31 like this, and improve the stability of mounting frame 31, also guarantee that mounting frame 31 and tray 1 fully contact.
In some preferred embodiments of the present invention, electrodes are respectively disposed at two ends of the push rod 33, and the mounting plate 32 is provided with a jack into which the electrodes are inserted. Specifically, the electrode is inserted into the jack, so that the push rod 33 is ensured to be more stable, and the reliability of grounding is ensured.
In some preferred embodiments of the invention, a buffer elastic member is provided at the connection between the sleeve 34 and the propulsion motor 35. Specifically, the buffer elastic member can buffer the impact with the sleeve 34 when the propulsion motor 35 is propelled, so as to avoid damaging the sleeve 34 or the mounting plate 32.
In some preferred embodiments of the present invention, the cushioning resilient member is a cushioning spring 36. Specifically, the spring is adopted, and the structure is simple and stable.
In some preferred embodiments of the present invention, the manipulator 4 is a six-degree-of-freedom manipulator 4. Specifically, the manipulator 4 with six degrees of freedom is adopted, so that the manipulator 4 can meet more complex and precise actions.
In some preferred embodiments of the present invention, a ground detection device is disposed in the measuring cabinet 2. Specifically, the grounding detection apparatus is electrically connected with the grounding apparatus 3, so as to detect whether the transformer 6 is grounded, thereby ensuring the reliability of grounding.
In summary, the preferred embodiment of the present invention provides a high voltage test system for a transformer, which compares to the prior art:
according to the invention, the tray 1 is arranged, the transformer 6 to be tested is arranged on the tray 1, the test of the transformer 6 is facilitated, the grounding pile is arranged on the tray 1, the grounding of the transformer 6 can be realized only by grounding the tray 1 through connecting the grounding pile with the grounding component of the transformer 6, the grounding efficiency is greatly improved, the grounding step is simplified, the grounding device 3 is arranged on the tray 1, the grounding device 3 is connected with the measuring cabinet 2, the grounding of the tray 1 is realized, and the efficiency is high and the safety is ensured; in addition, adopt manipulator 4 to realize installing earthing device 3 and will measuring cabinet 2 with tray 1 electricity is connected, has guaranteed the efficiency of wiring, through control manipulator 4 can, easy operation is convenient, and the security is high, guarantees experimental reliability.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. A high voltage test system for a transformer for high voltage testing of the transformer; characterized by comprising the following steps:
the tray is provided with a grounding pile and is used for bearing a transformer to be tested;
the measuring cabinet is arranged on one side of the tray;
the grounding device is mounted on the tray; the grounding device is electrically connected with the measuring cabinet;
the mechanical arm is arranged on one side of the tray and is used for installing a grounding device and electrically connecting the measuring cabinet with the tray;
the grounding device comprises a mounting frame, a mounting plate, a push rod, a sleeve and a propulsion motor; the mounting frame is detachably mounted on the tray, the mounting plate is arranged on the mounting frame, one end of the push rod is detachably connected with the mounting plate, and the other end of the push rod is inserted into the sleeve; the sleeve is connected with the propulsion motor;
the mounting frame is of a triangular structure and is provided with an insertion slot for inserting one corner of the tray.
2. The high voltage testing system for a transformer of claim 1, wherein: the bottom surface of tray is provided with supporting part.
3. The high voltage testing system for a transformer of claim 1, wherein: the tray is a steel tray, and the surface of the tray is made of conductive materials.
4. The high voltage testing system for a transformer of claim 1, wherein: the two ends of the push rod are respectively provided with an electrode, and the mounting plate is provided with a jack for inserting the electrode.
5. The high voltage testing system for a transformer of claim 1, wherein: and a buffer elastic piece is arranged at the joint of the sleeve and the propulsion motor.
6. The high voltage testing system for transformers according to claim 5, wherein: the buffer elastic piece is a buffer spring.
7. The high voltage testing system for a transformer of claim 1, wherein: the manipulator is a six-degree-of-freedom manipulator.
8. The high voltage testing system for a transformer of claim 1, wherein: and a grounding detection device is arranged in the measuring cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218210.4A CN113960425B (en) | 2021-10-19 | 2021-10-19 | High-voltage test system for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218210.4A CN113960425B (en) | 2021-10-19 | 2021-10-19 | High-voltage test system for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113960425A CN113960425A (en) | 2022-01-21 |
| CN113960425B true CN113960425B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111218210.4A Active CN113960425B (en) | 2021-10-19 | 2021-10-19 | High-voltage test system for transformer |
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| CN (1) | CN113960425B (en) |
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| CN205282973U (en) * | 2015-12-01 | 2016-06-01 | 成都科星电力电器有限公司 | Bar type earthing device |
| CN205879996U (en) * | 2016-07-23 | 2017-01-11 | 新疆雷烨防雷科技有限公司 | Three -dimensional experimental frame of insulating bar |
| CN108231348A (en) * | 2017-11-20 | 2018-06-29 | 安徽泰格电气科技股份有限公司 | A kind of new type of safe transformer-cabinet mounting bracket |
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| CN209246883U (en) * | 2019-01-30 | 2019-08-13 | 范琪 | Measuring device in a kind of highway construction |
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| US9562916B2 (en) * | 2011-06-01 | 2017-02-07 | Zhejiang Electric Power Corporation | Full-automatic detecting system and method for transformer |
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2021
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| CN205282973U (en) * | 2015-12-01 | 2016-06-01 | 成都科星电力电器有限公司 | Bar type earthing device |
| CN205879996U (en) * | 2016-07-23 | 2017-01-11 | 新疆雷烨防雷科技有限公司 | Three -dimensional experimental frame of insulating bar |
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| CN209246883U (en) * | 2019-01-30 | 2019-08-13 | 范琪 | Measuring device in a kind of highway construction |
| CN110118902A (en) * | 2019-04-04 | 2019-08-13 | 广州供电局有限公司 | Detect auxiliary device, detection system and detection method |
| CN210222073U (en) * | 2019-05-14 | 2020-03-31 | 湖南宇环智能装备有限公司 | Wiring clamp for testing distribution transformer |
| CN111199822A (en) * | 2020-03-06 | 2020-05-26 | 珠海澳米嘉电子有限公司 | Full-bridge topology based on single-cycle control and control scheme transformer |
| CN211789585U (en) * | 2020-03-16 | 2020-10-27 | 山东正能电气科技有限公司 | Electric gun type ground rod |
| CN213815790U (en) * | 2020-12-02 | 2021-07-27 | 江苏蜀铭电气设备有限公司 | Oil-immersed power transformer iron core grounding structure |
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| Publication number | Publication date |
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| CN113960425A (en) | 2022-01-21 |
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Address after: No.757 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant after: GUANGDONG POWER GRID Co.,Ltd. Applicant after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Applicant after: China Southern Power Grid Digital Enterprise Technology (Guangdong) Co.,Ltd. Address before: No.757 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGDONG POWER GRID Co.,Ltd. Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Applicant before: Guangdong Electric Power Information Technology Co.,Ltd. |
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Effective date of registration: 20230105 Address after: No.757 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant after: GUANGDONG POWER GRID Co.,Ltd. Applicant after: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Address before: No.757 Dongfeng East Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGDONG POWER GRID Co.,Ltd. Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Co.,Ltd. Applicant before: China Southern Power Grid Digital Enterprise Technology (Guangdong) Co.,Ltd. |
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