CN113960425A - High-voltage test system for transformer - Google Patents
High-voltage test system for transformer Download PDFInfo
- Publication number
- CN113960425A CN113960425A CN202111218210.4A CN202111218210A CN113960425A CN 113960425 A CN113960425 A CN 113960425A CN 202111218210 A CN202111218210 A CN 202111218210A CN 113960425 A CN113960425 A CN 113960425A
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- China
- Prior art keywords
- tray
- grounding
- transformer
- high voltage
- testing system
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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
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- 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 test 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 on 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 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, 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 method for testing the electrical performance of electrical equipment by adopting high voltage. And analyzing and judging various performances according to the test result, eliminating latent defects, and timely discovering and processing the aging and deterioration problems of the equipment so as to determine the running reliability of the equipment.
For example, in the manufacturing or maintenance process of high-voltage electrical equipment, latent defects are left inside the electrical equipment due to flaws in materials or processes or due to temporary carelessness of operators. If the electrical equipment with defects is put into the power system to operate, accidents happen at some time; although some accidents do not happen temporarily, after the operation is performed for a period of time, the original defects are further developed due to the action of electric power, humidity, temperature and the like, and finally, the accidents are also expanded. When an accident occurs in the operation of electrical equipment, serious consequences are usually caused, the equipment is damaged, and the line tripping and the power supply interruption are caused, so that the social life order and the production activities are seriously influenced. In order to prevent accidents in or on the electrical installation when it is put into operation, high-voltage tests must be carried out on the electrical installation in order to detect latent defects in the installation in a timely manner. 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, most of the existing transformer high-voltage tests adopt manual wiring, so that the efficiency is low, and particularly, the manual wiring is troublesome and low in efficiency at a grounding part, and whether reliable grounding is carried out or not can not be judged, so that the target of unmanned batch detection in the whole detection process can not 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 and improves the safety and efficiency of the test.
In order to solve the technical problem, the invention provides a high-voltage test system for a transformer, which is used for high-voltage test of the transformer; the test 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 on 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 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 support portion.
Preferably, the tray is a steel tray, and the surface of the steel tray is made of a conductive material.
Preferably, the grounding device comprises a mounting frame, a mounting plate, a push rod, a sleeve and a propulsion motor; the mounting rack is detachably mounted on the tray, the mounting plate is arranged on the mounting rack, 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 propelling motor.
Preferably, the mounting bracket is a triangular structure provided with an insertion slot for inserting one corner of the tray.
Preferably, electrodes are respectively arranged at two ends of the push rod, and jacks for the electrodes to be inserted are formed in the mounting plate.
Preferably, a buffering elastic piece is arranged at the joint of the sleeve and the propulsion motor.
Preferably, the buffering elastic member is a buffering spring.
Preferably, the robot is a six degree of freedom robot.
Preferably, a grounding detection device is arranged in the measuring cabinet.
The invention has the following beneficial effects:
according to the transformer grounding device, 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 by connecting the grounding pile with a grounding part of the transformer, the grounding efficiency is greatly improved, the grounding steps are simplified, and the grounding device is arranged on the tray and connected with the measuring cabinet, so that the grounding of the tray is realized, the efficiency is high, and the safety is high; in addition, adopt the manipulator to realize installing earthing device and inciting somebody to action 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 testing 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. mounting a plate; 33. a push rod; 34. a sleeve; 35. a propulsion motor; 36. a buffer spring; 4. a manipulator; 5. a support portion; 6. a transformer.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to 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 those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, a preferred embodiment of the present invention provides a high voltage testing system for a transformer, which is used for high voltage testing of a transformer 6; the test 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 arranged 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 the grounding pile of the tray 1 with the grounding part of the transformer 6, and then transporting the tray 1 and the transformer 6 to a detection station together through a forklift; the mechanical arm 4 installs the grounding device 3 on the tray 1, the mechanical arm 4 starts to connect the transformer 6 and the grounding device 3 with the measuring cabinet 2 through wires respectively, after wiring is completed, the measuring cabinet 2 starts a high-voltage test, after the test is completed, the mechanical arm 4 is controlled to remove the wires, and the mechanical arm 4 removes the grounding device 3 from the tray 1.
In some preferred embodiments of the present invention, the bottom surface of the tray 1 is provided with a support portion 5. Specifically, the supporting part 5 facilitates insertion and sliding-out of the pallet 1 by the forklift, and transportation efficiency is improved.
In some preferred embodiments of the present invention, the tray 1 is a steel tray 1, and the surface is made of a conductive material. Specifically, the surface of the tray 1 is made of a conductive material, so that the grounding device 3 is convenient to install, 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 mechanical arm 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 installed on the tray 1 by the manipulator 4, the sleeve 34 is driven by the propelling motor 35 to be propelled towards the tray 1, one end of the push rod 33 is pressed onto the installation plate 32 by the sleeve 34, and the other end of the push rod 33 is grounded, so that the transformer 6 is grounded, when the grounding is not needed, the sleeve 34 is driven by the propelling motor 35 to retreat away from the tray 1, and the push rod 33 is driven by the sleeve 34 to be separated from the installation plate 32.
The propulsion motor 35 is connected to an external power supply.
In some preferred embodiments of the present invention, the mounting frame 31 is a triangular structure provided with a slot for inserting one corner of the tray 1. Specifically, mounting bracket 31 sets up to the triangle-shaped structure to set up the seam of inserting on the mounting bracket 31, insert mounting bracket 31 and establish a right angle of tray 1 on, the occupation of land position that can significantly reduce mounting bracket 31 like this, and improve mounting bracket 31's stability, also guarantee mounting bracket 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 insertion holes for the electrodes to be inserted into. Specifically, the electrodes are inserted into the jacks, so that the push rod 33 is more stable, and the reliability of grounding is ensured.
In some preferred embodiments of the present invention, a buffering elastic member is disposed at a connection position of the sleeve 34 and the propulsion motor 35. Specifically, the buffering elastic member can buffer the impact of the propelling motor 35 with the sleeve 34 when the propelling motor is propelled, so as to avoid damaging the sleeve 34 or the mounting plate 32.
In some preferred embodiments of the present invention, the buffering elastic member is a buffering spring 36. Specifically, adopt the spring, simple structure is firm.
In some preferred embodiments of the present invention, the robot 4 is a six degree of freedom robot 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 grounding detection device is disposed in the measurement cabinet 2. Specifically, the grounding detection device is electrically connected with the grounding device 3, so that whether the transformer 6 is grounded or not can be detected, and the grounding reliability is ensured.
To sum up, the preferred embodiment of the present invention provides a high voltage testing system for a transformer, which is compared with 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 pile is connected with the grounding part of the transformer 6, the grounding of the transformer 6 can be realized only by grounding the tray 1, the grounding efficiency is greatly improved, the grounding step is simplified, the grounding device 3 is arranged on the tray 1, and the grounding device 3 is connected with the measuring cabinet 2, so that the grounding of the tray 1 is realized, the efficiency is high, and the safety is high; in addition, adopt manipulator 4 to realize installing earthing device 3 and will measuring cabinet 2 with 1 electricity of tray 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 above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high-voltage test system for a transformer is used for high-voltage test of the transformer; it is characterized by comprising:
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;
a grounding device mounted to the tray; the grounding device is electrically connected with the measuring cabinet;
the mechanical arm is arranged on one side of the tray and used for installing a grounding device and electrically connecting the measuring cabinet with the tray.
2. A high voltage testing system for transformers according to claim 1, characterized in that: the bottom surface of tray is provided with the supporting part.
3. A high voltage testing system for transformers according to claim 1, characterized in that: the tray is a steel tray, and the surface of the tray is made of conductive materials.
4. A high voltage testing system for transformers according to claim 1, characterized in that: the grounding device comprises a mounting frame, a mounting plate, a push rod, a sleeve and a propulsion motor; the mounting rack is detachably mounted on the tray, the mounting plate is arranged on the mounting rack, 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 propelling motor.
5. The high voltage testing system for transformers according to claim 4, characterized in that: the mounting bracket is of a triangular structure and is provided with an inserting slit for inserting one corner of the tray.
6. The high voltage testing system for transformers according to claim 4, characterized in that: electrodes are arranged at two ends of the push rod respectively, and jacks for the electrodes to be inserted are formed in the mounting plate.
7. The high voltage testing system for transformers according to claim 4, characterized in that: and a buffering elastic part is arranged at the joint of the sleeve and the propulsion motor.
8. The high voltage testing system for transformers according to claim 7, characterized in that: the buffering elastic piece is a buffering spring.
9. A high voltage testing system for transformers according to claim 1, characterized in that: the manipulator is a six-degree-of-freedom manipulator.
10. A high voltage testing system for transformers according to claim 1, characterized in that: 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 true CN113960425A (en) | 2022-01-21 |
| CN113960425B 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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Citations (10)
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| US20130297245A1 (en) * | 2011-06-01 | 2013-11-07 | Zhejiang Electric Power Corporation | Full-automatic detecting system and method for transformer |
| 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 |
| 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 |
-
2021
- 2021-10-19 CN CN202111218210.4A patent/CN113960425B/en active Active
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| US20130297245A1 (en) * | 2011-06-01 | 2013-11-07 | Zhejiang Electric Power Corporation | Full-automatic detecting system and method for transformer |
| 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 |
| 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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| CN113960425B (en) | 2023-08-04 |
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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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