CN116449061B - Power frequency withstand voltage tester for power transformer - Google Patents
Power frequency withstand voltage tester for power transformer Download PDFInfo
- Publication number
- CN116449061B CN116449061B CN202310684265.7A CN202310684265A CN116449061B CN 116449061 B CN116449061 B CN 116449061B CN 202310684265 A CN202310684265 A CN 202310684265A CN 116449061 B CN116449061 B CN 116449061B
- Authority
- CN
- China
- Prior art keywords
- main box
- fixedly arranged
- wall surface
- upper cover
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000004200 deflagration Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to the technical field of power detection and discloses a power frequency withstand voltage tester of a power transformer, which solves the technical problems that an operator cannot be protected, the power frequency withstand voltage tester does not have protective capability and cannot safely conduct power frequency withstand voltage test on equipment in the prior art.
Description
Technical Field
The invention relates to the technical field of power supply withstand voltage testers, in particular to a power frequency withstand voltage tester for a power transformer.
Background
The invention mainly relates to a power supply withstand voltage tester technology, and the power frequency withstand voltage refers to the rated peak voltage born by a load during normal operation. The dc voltage is 1.414 times the peak voltage, i.e. the effective value of the ac voltage. The test equipment and test requirements for power frequency withstand voltage are described in detail below. The industrial frequency withstand voltage test device is withstand voltage test equipment with advanced performance, which is designed according to the latest national power industry standard and is used for conducting insulation strength test under specified voltage on various electrical products, electrical elements, insulating materials and the like so as to check the insulation level of the products, find the insulation defect of the tested product and measure the overvoltage capacity. The industrial frequency withstand voltage tester is intelligent withstand voltage test equipment with advanced performance, which is designed according to the latest national power industry standard, and is safe and reliable, powerful, convenient to use and simple to maintain. The test device is used for conducting insulation strength tests on various electrical products, electrical elements, insulating materials and the like under specified voltage so as to check the insulation level of the products, find insulation defects of the tested products and measure the overvoltage capacity.
For example, a patent with publication number 2022228018716 entitled power-frequency withstand voltage tester for power transformers has the technical problems that operators cannot be protected, the power-frequency withstand voltage tester does not have protection capability, and power-frequency withstand voltage test cannot be performed on equipment safely.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power frequency withstand voltage tester for a power transformer, which solves the technical problems that operators cannot be protected, the power frequency withstand voltage tester does not have protective capability, and equipment cannot be safely tested in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a power transformer power frequency withstand voltage tester, includes the main tank body, its characterized in that, fixed mounting has the test seat in the main tank body, install the load seat in the main tank body, fixed mounting has the test socket on the test seat, fixed mounting has the load socket on the load seat, install the power in the main tank body, be connected with the test wire between power and the test socket, be provided with the fuse on the test wire, install the varistor in the main tank body, be connected with the load wire between varistor and the load seat.
The embodiment is further arranged in such a way that a pair of hinge connecting frames are fixedly arranged on the rear wall surface of the main box body, a hinge connecting shaft is fixedly arranged on the hinge connecting frames, a rotating sleeve is rotatably sleeved on the hinge connecting shaft, an upper cover body is fixedly arranged on the rotating sleeve, and equipment protection is carried out through the rotatable upper cover body.
The embodiment is further arranged that a pair of connecting sleeves are rotatably arranged on the outer side wall surface of the main box body, threaded holes are formed in the pair of connecting sleeves, servo motors are fixedly arranged on the two side wall surfaces of the upper cover body, threaded rods are fixedly arranged on the driving ends of the servo motors respectively, the connecting sleeves can rotate at an angle in situ in the vertical direction, the free margin of the backward rotation is 5 degrees, and grooves are formed in the upper wall surface, so that the threaded rods can be automatically calibrated and connected through the rotatable connecting sleeves when rotating.
The embodiment is further configured in that an observation tube is arranged on the upper cover body, the observation tube is a rectangular tube, a protection window is fixedly arranged at one end of the observation tube, and an operator is protected from safely observing the test condition.
The embodiment is further arranged in that the pressure relief pipe is fixedly arranged on the upper wall surface of the upper cover body, the slot is formed in the side wall surface of the pressure relief pipe, the pressure relief plate is fixedly arranged in the slot, safety pressure relief is realized when deflagration accidents occur again through the pressure relief pipe, and the influence on the outside is reduced through the pressure relief plate.
The embodiment is further arranged that the upper cover body is fixedly provided with a pair of fire extinguishing pipes, a pair of unidirectional springs are fixedly arranged in the fire extinguishing pipes respectively, one ends of the unidirectional springs are fixedly provided with sealing plugs respectively, the sealing plugs are movably arranged in the fire extinguishing pipes, when an accident fire disaster occurs, the fire extinguishing ejector is aligned to the upper end of the input end of the fire extinguishing pipe, the pressure enables the sealing plugs to push the unidirectional springs to be shortened, and fire extinguishing dust foam of the fire extinguishing ejector can be safely sent into the tester to extinguish the fire.
The embodiment is further arranged that the air inlet groove is formed in the lower wall of the main box body, the exhaust fan is fixedly mounted on the rear wall surface of the main box body, the air outlet is formed in the rear wall surface of the main box body, and external cold air enters through the air inlet groove and is exhausted through the air outlet, so that the temperature generated by equipment operation is reduced.
The embodiment is further arranged that the supporting seat is fixedly arranged on the lower wall surface of the main box body, the inner baffle is fixedly arranged in the main box body and above the load socket and the test socket, the space is formed between the main box body and the lower surface workbench through the supporting seat, cooling air is convenient to flow in, the electric elements are shielded through the inner baffle, and when a circuit accident occurs, the tester equipment is protected from being damaged.
The embodiment is further arranged that an electric push rod is arranged between the upper wall surface of the inner baffle and the upper cover body, and the upper cover body is automatically opened and closed through the electric push rod.
The embodiment is further arranged that the sealing ring is fixedly arranged in the upper cover body, so that the operation personnel are protected when external disturbance is isolated and circuit accidents are prevented.
Advantageous effects
The invention provides a power frequency withstand voltage tester of a power transformer, wherein an upper cover body is fixedly arranged on a rotating sleeve, equipment protection is carried out through the rotatable upper cover body, an operator is protected through an observation window to observe the testing condition safely, external cold air is introduced through an air inlet slot and is discharged through an air outlet fan, the temperature generated by the operation of the equipment is reduced, an electric element is shielded through an inner baffle, the tester equipment is protected from being damaged when a circuit accident occurs, and the opening and closing of the upper cover body are automatically completed through an electric push rod.
Drawings
Fig. 1 is a schematic structural diagram of a power frequency withstand voltage tester for a power transformer according to the present invention.
Fig. 2 is a schematic side view of a power frequency withstand voltage tester for a power transformer according to the present invention.
Fig. 3 is a schematic diagram of the bottom structure of the power frequency withstand voltage tester of the power transformer according to the present invention.
Fig. 4 is a schematic diagram of an upper cover unfolding structure of the power frequency withstand voltage tester of the power transformer.
Fig. 5 is a schematic diagram of an upper cover unfolding side structure of the power frequency withstand voltage tester of the power transformer.
Fig. 6 is a schematic diagram of a top view cross-section structure of a power frequency withstand voltage tester for a power transformer according to the present invention.
Fig. 7 is a schematic diagram of a right-side view section structure of a power frequency withstand voltage tester for a power transformer according to the present invention.
Fig. 8 is a schematic diagram of a front view section structure of a power frequency withstand voltage tester for a power transformer according to the present invention.
In the figure: 101. a main case; 102. a test seat; 103. a load base; 104. a test socket; 105. a load socket; 106. a power supply; 107. testing the wire; 108. a fuse; 109. a varistor; 110. a load wire; 201. a hinged connecting frame; 202. a hinged connection shaft; 203. a rotating sleeve; 204. an upper cover; 301. connecting sleeves; 302. a servo motor; 303. a threaded rod; 401. an observation tube; 402. a protective window; 501. a pressure relief tube; 502. a pressure relief plate; 601. a fire extinguishing pipe; 602. a one-way spring; 603. a sealing plug; 701. an air inlet groove; 702. an exhaust fan; 801. a support base; 802. an inner baffle; 803. an electric push rod; 804. and (3) sealing rings.
Detailed Description
The following description of the embodiments of the present invention 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 embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a power transformer power frequency withstand voltage tester, includes main box 101, fixed mounting has test seat 102 in the main box 101, install load seat 103 in the main box 101, fixed mounting has test socket 104 on the test seat 102, fixed mounting has load socket 105 on the load seat 103, install power 106 in the main box 101, be connected with test wire 107 between power 106 and the test socket 104, be provided with fuse 108 on the test wire 107, install varistor 109 in the main box 101, be connected with load wire 110 between varistor 109 and the load seat 103.
A pair of hinge connection frames 201 are fixedly mounted on the rear wall surface of the main box body 101, a hinge connection shaft 202 is fixedly mounted on the hinge connection frames 201, a rotating sleeve 203 is sleeved on the hinge connection shaft 202 in a rotating mode, an upper cover 204 is fixedly mounted on the rotating sleeve 203, and equipment protection is conducted through the rotatable upper cover 204.
The outer side wall surface of the main box body 101 is rotatably provided with a pair of connecting sleeves 301, a pair of threaded holes are formed in the connecting sleeves 301, two side wall surfaces of the upper cover body 204 are fixedly provided with servo motors 302, the driving ends of the servo motors 302 are respectively fixedly provided with threaded rods 303, the connecting sleeves 301 can rotate at an angle of 5 degrees with the vertical direction as the original position, the free margin of the backward rotation is 5 degrees, and the upper wall surface is provided with grooves, so that the threaded rods 303 can be automatically calibrated and connected through the rotatable connecting sleeves 301 when rotating.
The upper cover 204 is provided with an observation tube 401, the observation tube 401 is a rectangular tube, and one end of the observation tube 401 is fixedly provided with a protection window 402 to protect operators from safely observing test conditions.
The upper cover 204 is provided with a pressure relief pipe 501 fixedly arranged on the upper wall surface, a slot is formed in the side wall surface of the pressure relief pipe 501, a pressure relief plate 502 is fixedly arranged in the slot, safety pressure relief is realized when a deflagration accident occurs again through the pressure relief pipe 501, and the influence on the outside is reduced through the pressure relief plate 502.
The upper cover 204 is fixedly provided with a pair of fire extinguishing pipes 601, a pair of unidirectional springs 602 are fixedly arranged in the fire extinguishing pipes 601 respectively, one ends of the unidirectional springs 602 are fixedly provided with sealing plugs 603 respectively, the sealing plugs 603 are movably arranged in the fire extinguishing pipes 601, and when an accident fire happens, the fire extinguishing injector is aligned to the upper end of the input end of the fire extinguishing pipes 601, the pressure enables the sealing plugs 603 to push the unidirectional springs 602 to be shortened, so that fire extinguishing dust foam of the fire extinguishing injector can be safely sent into the tester for fire extinguishing.
An air inlet groove 701 is formed in the lower wall of the main box body 101, an exhaust fan 702 is fixedly mounted on the rear wall surface of the main box body 101, an air outlet is formed in the rear wall surface of the main box body 101, and external cold air enters through the air inlet groove 701 and is exhausted through the air outlet, so that the temperature generated by equipment operation is reduced.
The supporting seat 801 is fixedly arranged on the lower wall surface of the main box body 101, the inner baffle 802 is fixedly arranged in the main box body 101 and above the load socket 105 and the test socket 104, the main box body 101 and the lower surface workbench form a space through the supporting seat 801, cooling air is convenient to flow in, electric elements are shielded through the inner baffle 802, and when a circuit accident occurs, the tester equipment is protected from being damaged.
An electric push rod 803 is installed between the upper wall surface of the inner baffle 802 and the upper cover 204, and the opening and closing of the upper cover 204 are automatically completed through the electric push rod 803.
The sealing ring 804 is fixedly installed in the upper cover 204, which is beneficial to isolating external disturbance and protecting operators when circuit accidents occur.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: as shown in fig. 1-8, an operation panel is disposed on the front wall surface of the main casing 101, the built-in power supply 106 of the main casing 101 is connected with an external power supply circuit, the power supply 106 disposed in the main casing 101 has functions of voltage regulation, frequency modulation, waveform regulation, direct current and alternating current, etc., through control of the operation panel, the fuse 108 is provided with an air switch and a fuse switch, the rheostat 109 has an adjustable function, a ammeter, a voltmeter and additional functions required by an operator are disposed, an indication is displayed on the operation panel, after the equipment is started, an exhaust fan 702 is started, the exhaust fan 702 pumps air in the main casing 101, external air is sucked in through a lower air inlet groove 701, air concurrent flow is formed, internal heat is taken away, the exhaust fan 702 is not connected with the built-in power supply 106, data disturbance is avoided, the operator controls the driving end of the servo motor 302 to rotate, the threaded rod 303 is driven to rotate, the threaded hole between the threaded rod 303 and the connecting sleeve 301 is loosened, the connecting sleeve 301 has a certain swinging capacity, the locking capacity can be loosened under the driving of the operator is not required, and the electric push rod 204 is convenient for the operator to install the transformer 803.
The operator connects the power transformer input end to the test socket 104, and connects the power transformer output end to the load socket 105, so that the power supply 106 inputs the power transformer voltage, after the power transformer regulates the voltage, the power transformer flows through the rheostat 109, the rheostat 109 can regulate the high resistance to measure the voltage at two ends, and can also regulate the rated load to test the performance of the power transformer under the working state.
The operator tests after closing the upper cover 204, through the locking of threaded rod 303 and adapter sleeve 301, keep protective properties in the unexpected circumstances such as explosion deflagration takes place inside, when power transformer takes place the overheat burning, inside pressure risees, discharge through relief pipe 501, wherein range upon range of relief board 502 has a certain degree air permeability, reduce the impact that the exhaust gas caused, when the fire, ordered inner baffle 802 blocks, inside oxygen is insufficient, further reduce the burning rate, the isolated air helps the fire to extinguish, the nozzle of high-pressure injection foam dust of putting out a fire, aim at fire tube 601 one end, the fire jet gets into through fire tube 601, promote unidirectional spring 602 under the high pressure condition and compress further shorten, make the fire spray directly spray load end and transformer input through fire tube 601, and discharge through relief pipe 501, accomplish the fire protection process.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (2)
1. The utility model provides a power frequency withstand voltage tester of power transformer, includes main box (101), its characterized in that, main box (101) internally mounted has test seat (102), install load seat (103) in main box (101), fixed mounting has test socket (104) on test seat (102), fixed mounting has load socket (105) on load seat (103), install power (106) in main box (101), be connected with test wire (107) between power (106) and test socket (104), be provided with fuse (108) on test wire (107), install varistor (109) in main box (101), be connected with load wire (110) between varistor (109) and load seat (103);
a pair of hinge connecting frames (201) are fixedly arranged on the rear wall surface of the main box body (101), a hinge connecting shaft (202) is fixedly arranged on the hinge connecting frames (201), a rotating sleeve (203) is rotatably sleeved on the hinge connecting shaft (202), and an upper cover body (204) is fixedly arranged on the rotating sleeve (203);
a pair of connecting sleeves (301) are rotatably arranged on the outer side wall surface of the main box body (101), threaded holes are formed in the pair of connecting sleeves (301), servo motors (302) are fixedly arranged on the two side wall surfaces of the upper cover body (204), and threaded rods (303) are respectively and fixedly arranged at the driving ends of the servo motors (302);
an observation tube (401) is arranged on the upper cover body (204), the observation tube (401) is a rectangular tube, and a protection window (402) is fixedly arranged at one end of the observation tube (401);
the pressure relief pipe (501) is fixedly arranged on the upper wall surface of the upper cover body (204), a slot is formed in the side wall surface of the pressure relief pipe (501), and a pressure relief plate (502) is fixedly arranged in the slot;
the upper cover body (204) is fixedly provided with a pair of fire extinguishing pipes (601), one-way springs (602) are respectively and fixedly arranged in the pair of fire extinguishing pipes (601), one ends of the one-way springs (602) are respectively and fixedly provided with sealing plugs (603), and the sealing plugs (603) are movably arranged in the fire extinguishing pipes (601);
an air inlet groove (701) is formed in the lower wall of the main box body (101), an exhaust fan (702) is fixedly arranged on the rear wall surface of the main box body (101), and an air outlet is formed in the rear wall surface of the main box body (101);
a supporting seat (801) is fixedly arranged on the lower wall surface of the main box body (101), and an inner baffle (802) is fixedly arranged in the main box body (101) and above the load socket (105) and the test socket (104);
an electric push rod (803) is arranged between the upper wall surface of the inner baffle plate (802) and the upper cover body (204).
2. The power frequency withstand voltage tester of a power transformer according to claim 1, wherein a sealing ring (804) is fixedly installed in the upper cover body (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310684265.7A CN116449061B (en) | 2023-06-12 | 2023-06-12 | Power frequency withstand voltage tester for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310684265.7A CN116449061B (en) | 2023-06-12 | 2023-06-12 | Power frequency withstand voltage tester for power transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116449061A CN116449061A (en) | 2023-07-18 |
| CN116449061B true CN116449061B (en) | 2023-08-22 |
Family
ID=87127646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310684265.7A Active CN116449061B (en) | 2023-06-12 | 2023-06-12 | Power frequency withstand voltage tester for power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116449061B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006234484A (en) * | 2005-02-23 | 2006-09-07 | Adphox Corp | Coil withstand voltage tester |
| WO2019038162A1 (en) * | 2017-08-22 | 2019-02-28 | Alpha Elektrotechnik Ag | Mobile partial discharge test device |
| DE102017009686A1 (en) * | 2017-10-17 | 2019-04-18 | Avl Deutschland Gmbh | Climate chamber for testing high-voltage e-mobility batteries, fuel cells or other energy storage devices or drive units equipped or connected therewith with hazardous energy content |
| CN208860921U (en) * | 2018-08-31 | 2019-05-14 | 连云港师范高等专科学校 | Power transformer industrial frequency withstand voltage experimental rig |
| CN209858349U (en) * | 2019-04-03 | 2019-12-27 | 广东嘉仪仪器集团有限公司 | Pressure-resistant leakage tester for tank cover |
| CN212255514U (en) * | 2020-05-09 | 2020-12-29 | 武汉南星电力科技有限公司 | Transformer data parameter intelligent detector |
| CN216052022U (en) * | 2021-08-09 | 2022-03-15 | 深圳市威日科技有限公司 | Low-cost high-frequency withstand voltage tester |
| CN217007554U (en) * | 2021-09-29 | 2022-07-19 | 苏州亿马半导体科技有限公司 | Insulation withstand voltage tester with protective structure |
| CN218037273U (en) * | 2022-08-05 | 2022-12-13 | 云南通变电器有限公司 | Transformer comprehensive test platform |
-
2023
- 2023-06-12 CN CN202310684265.7A patent/CN116449061B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006234484A (en) * | 2005-02-23 | 2006-09-07 | Adphox Corp | Coil withstand voltage tester |
| WO2019038162A1 (en) * | 2017-08-22 | 2019-02-28 | Alpha Elektrotechnik Ag | Mobile partial discharge test device |
| DE102017009686A1 (en) * | 2017-10-17 | 2019-04-18 | Avl Deutschland Gmbh | Climate chamber for testing high-voltage e-mobility batteries, fuel cells or other energy storage devices or drive units equipped or connected therewith with hazardous energy content |
| CN208860921U (en) * | 2018-08-31 | 2019-05-14 | 连云港师范高等专科学校 | Power transformer industrial frequency withstand voltage experimental rig |
| CN209858349U (en) * | 2019-04-03 | 2019-12-27 | 广东嘉仪仪器集团有限公司 | Pressure-resistant leakage tester for tank cover |
| CN212255514U (en) * | 2020-05-09 | 2020-12-29 | 武汉南星电力科技有限公司 | Transformer data parameter intelligent detector |
| CN216052022U (en) * | 2021-08-09 | 2022-03-15 | 深圳市威日科技有限公司 | Low-cost high-frequency withstand voltage tester |
| CN217007554U (en) * | 2021-09-29 | 2022-07-19 | 苏州亿马半导体科技有限公司 | Insulation withstand voltage tester with protective structure |
| CN218037273U (en) * | 2022-08-05 | 2022-12-13 | 云南通变电器有限公司 | Transformer comprehensive test platform |
Non-Patent Citations (1)
| Title |
|---|
| 紧凑型升压补偿一体化特高压工频耐压试验系统设计;陈柏超等;《高电压技术》;第第41卷卷(第第5期期);1719-1725 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116449061A (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106199439B (en) | Safety protection machine for battery test | |
| CN104241968B (en) | A kind of anti-misoperation short-circuit grounding device | |
| CN103414156A (en) | Oil immersed transformer light gas protection fault diagnosis method | |
| CN116449061B (en) | Power frequency withstand voltage tester for power transformer | |
| CN106530182A (en) | Protective method for electrical fire hazards based on three-proofing means | |
| CN205301457U (en) | On -vehicle electric power testboard of synthesizing of box removal | |
| CN211245282U (en) | Novel vertical pipeline flame arrester | |
| CN207976549U (en) | A kind of suspension type power-supply controller of electric for high-voltage switch gear detection device | |
| CN103852698B (en) | A kind of dielectric strength test device of breaker vacuum arc-chutes | |
| CN113345770B (en) | Circuit breaker protector and junction box thereof | |
| CN215340105U (en) | Insulating hand tool tester | |
| CN208384059U (en) | A kind of low pressure withstand-voltage test bench | |
| CN210894591U (en) | Dry and wet resistance electric arc tester for electric wire | |
| CN209119512U (en) | A kind of power supply line docking box | |
| CN208860921U (en) | Power transformer industrial frequency withstand voltage experimental rig | |
| Yang et al. | Cause analysis and preventive measures of 500kV shunt reactor bushing failure | |
| CN113884216A (en) | Electromechanical monitoring device | |
| CN215833514U (en) | Real standard platform of electrical safety hidden danger simulation | |
| CN208334604U (en) | Power emergency power source equipment movable type detection platform | |
| CN207114591U (en) | Capacitance current generator casing is used in a kind of arc suppression coil debugging | |
| CN220105199U (en) | Pressure-proof testing machine | |
| CN111830373A (en) | Power equipment partial discharge detection device convenient to operation is used | |
| CN220084893U (en) | Surge protector detects auxiliary assembly | |
| CN205944814U (en) | Explosion -proof intelligent power distribution case | |
| CN108680817A (en) | A kind of suspension type power-supply controller of electric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |