CN108957194B - Comprehensive test bench structure of distribution transformer and test method thereof - Google Patents
Comprehensive test bench structure of distribution transformer and test method thereof Download PDFInfo
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- CN108957194B CN108957194B CN201810876191.6A CN201810876191A CN108957194B CN 108957194 B CN108957194 B CN 108957194B CN 201810876191 A CN201810876191 A CN 201810876191A CN 108957194 B CN108957194 B CN 108957194B
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000010998 test method Methods 0.000 title claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 124
- 229910052802 copper Inorganic materials 0.000 claims abstract description 122
- 239000010949 copper Substances 0.000 claims abstract description 122
- 238000009413 insulation Methods 0.000 claims abstract description 50
- 230000009466 transformation Effects 0.000 claims abstract description 34
- 230000014759 maintenance of location Effects 0.000 claims abstract description 20
- 238000013519 translation Methods 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
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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
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a comprehensive test bench structure of a distribution transformer and a test method thereof, belonging to the technical field of distribution transformer test equipment. The technical proposal is as follows: the supporting plate (4) is fixed above the platform frame (9) through the support upright (14), the three-phase retention resistance tester (1), the transformation ratio tester (2) and the on-load comprehensive tester (3) are arranged on the supporting plate (4), the high-temperature insulation mounting plate (5) is arranged below the supporting plate (4), three conductive copper plates (502) which are arranged up and down are arranged in the middle of the high-temperature insulation mounting plate (5), two rows of contact copper plates are arranged at one end of the high-temperature insulation mounting plate (5), one row of contact copper plates are arranged at the other end of the high-temperature insulation mounting plate (5), the electric connection frame (7) is arranged on the high-temperature insulation mounting plate (5), and a handle (703) and one row of electric shock copper plates are respectively arranged at two ends of the electric connection frame (7). The beneficial effects of the invention are as follows: the transfer positioning of the transformer is facilitated, and the testing efficiency is improved.
Description
Technical Field
The invention relates to a comprehensive test bench structure of a distribution transformer and a test method thereof, belonging to the technical field of distribution transformer test equipment.
Background
The traditional instrument is used for measuring parameters of three items, namely a main transformer direct current resistor, a transformation ratio and an on-load tap changer of a transformer, and is required to be measured item by a retention resistor tester, a transformation ratio tester and an on-load comprehensive tester respectively, so that the measuring wiring amount is large and complex, the wiring time is long, the labor intensity is high and the working efficiency is low. The direct current resistance measurement needs to be manually changed for many times to measure wiring, the high voltage side, the medium voltage side and the low voltage side are measured and can be completed by three times of wiring, the power failure time is long, the number of times of visiting by workers is large, manpower and material resources are wasted greatly, and the comprehensive test bench structure of the distribution transformer is needed to solve the problems.
In combination with the device discovery in the prior art, when the device is applied, although the conventional test operation can be performed, in the actual use process, the transfer positioning operation of the transformer is inconvenient, and the switching-on step between the transformer and various test instruments is complex, so that the problem of lower test efficiency is caused.
Disclosure of Invention
The invention aims to provide a comprehensive test board structure of a distribution transformer and a test method thereof, which are convenient for transferring and positioning the transformer, improve the test efficiency and solve the problems in the background technology.
The technical scheme of the invention is as follows:
The utility model provides a distribution transformer's integrated test platform structure, include detention resistance tester, transformation ratio tester, on-load integrated tester, the layer board, high temperature insulation mounting panel, support sliding shaft, connect the electric frame, the platform frame, translation dolly and support column, the platform frame is rectangular frame structure, translation dolly is established in the platform frame, the layer board passes through the support column to be fixed in the top of platform frame, be equipped with three-phase detention resistance tester on the layer board, transformation ratio tester and on-load integrated tester, the below of layer board is equipped with high temperature insulation mounting panel, high temperature insulation mounting panel is fixed on the support column, the centre of high temperature insulation mounting panel is equipped with three conductive copper that arrange from top to bottom, one end of high temperature insulation mounting panel is equipped with two rows of contact copper, the other end of high temperature insulation mounting panel is equipped with one row of contact copper, three rows of contact copper on the high temperature insulation mounting panel are connected with detention resistance tester, transformation ratio tester and on-load integrated tester respectively; the high-temperature insulating mounting plate is provided with an electric connection frame, the electric connection frame is in sliding connection with a supporting sliding shaft fixed on the supporting upright post through a sliding ring, two ends of the electric connection frame are respectively provided with a handle and a row of electric shock copper plates, the handles and the electric shock copper plates at two ends of the electric connection frame are fixed on the insulating support plate, and the two rows of electric shock copper plates on the electric connection frame are connected through a conductive transverse column.
The electric shock copper plates at two ends of the electric connection frame are matched with the contact copper plates and the conductive copper plates on the high-temperature insulation mounting plate.
And the high-temperature insulating mounting plate is respectively provided with an electric copper connecting bolt connected with the contact copper plate and the conductive copper plate.
Three conductive copper plates arranged up and down in the middle of the high-temperature insulating mounting plate are long strips.
The supporting plate is fixed on the platform frame through four supporting columns.
The high-temperature insulating mounting plate below the supporting plate is fixed between the two supporting upright posts, the power connection frame on the high-temperature insulating mounting plate is in sliding connection with the supporting sliding shaft through the sliding ring, and two ends of the supporting sliding shaft are fixed on the supporting upright posts through the supporting shaft rods respectively.
And the supporting shaft rod is provided with a compression spring.
Rectangular grooves matched with the retention resistance tester, the transformation ratio tester and the on-load comprehensive tester are respectively arranged on the supporting plate.
The platform frame is provided with two parallel support slide bars, sliding sleeves are arranged on two sides of the translation trolley, and the sliding sleeves on two sides of the translation trolley are respectively sleeved on the two parallel support slide bars on the platform frame.
The comprehensive test method of the distribution transformer comprises the following steps:
① Placing the transformer on a translation trolley;
② Pushing the translation trolley to move the transformer to the position right below the supporting plate;
③ Connecting a three-phase power supply to a three-phase input binding post of a transformer, and connecting the three-phase output binding post of the transformer with an electric copper bolt of a conductive copper plate through three cables;
④ The moving handle lifts the power receiving frame and slides along the supporting sliding shaft, one row of electric shock copper plates on the power receiving frame are pressed on one row of contact copper plates on the high-temperature insulating mounting plate, and the other row of electric shock copper plates on the power receiving frame are pressed on three conductive copper plates in the middle of the high-temperature insulating mounting plate;
⑤ Switching on a three-phase power supply, and starting to test one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer;
⑥ After one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer is tested, the three-phase power supply is disconnected, the moving handle lifts the power receiving frame and slides along the supporting sliding shaft, one row of electric shock copper plates on the power receiving frame are pressed on the second row of contact copper plates on the high-temperature insulating mounting plate, the other row of electric shock copper plates on the power receiving frame are pressed on the three conductive copper plates in the middle of the high-temperature insulating mounting plate, the three-phase power supply is connected, and the other one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer is tested;
⑦ After two tests of the retention resistor, the transformation ratio and the on-load tap changer of the transformer are completed, switching off the three-phase power supply, lifting the power receiving frame by the moving handle, sliding along the supporting sliding shaft, pressing one row of electric shock copper plates on the power receiving frame on a third row of contact copper plates on the high-temperature insulating mounting plate, pressing the other row of electric shock copper plates on the power receiving frame on three conductive copper plates in the middle of the high-temperature insulating mounting plate, switching on the three-phase power supply, and starting to test the third item of the retention resistor, the transformation ratio and the on-load tap changer of the transformer;
the beneficial effects of the invention are as follows:
(1) The translation trolley is convenient for the transfer positioning of the transformer;
(2) The power connection frame on the high-temperature insulating mounting plate greatly simplifies the switching-on steps of the transformer and the three-phase retention resistance tester, the transformation ratio tester and the on-load comprehensive tester, so that the testing operation of the transformer is more convenient, and the time wasted by workers due to switching-on of the tester is reduced;
(3) The accident that the contact copper sheet heats and burns the testing instrument caused by poor contact can be avoided;
(4) The testing efficiency is improved, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is a third schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view of the installation of the power receiving rack and the high temperature insulating mounting plate of the present invention;
FIG. 5 is a schematic view of the back side of the high temperature insulation mounting plate of the present invention;
FIG. 6 is a schematic front view of a high temperature insulation mounting plate of the present invention;
FIG. 7 is a schematic view of the structure of the power receiving rack of the present invention;
In the figure: the retention resistance tester 1, the transformation ratio tester 2, the on-load comprehensive tester 3, the supporting plate 4, the high-temperature insulation mounting plate 5, the contact copper plate 501, the conductive copper plate 502, the support sliding shaft 6, the power receiving frame 7, the electric shock copper plate 701, the insulation supporting plate 702, the handle 703, the slip ring 704, the conductive cross column 706, the transformer 8, the input terminal 801, the output terminal 802, the platform frame 9, the translation trolley 10, the sliding sleeve 11, the support sliding rod 12, the support shaft rod 13 and the support upright 14.
Detailed Description
The invention is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1-7, a comprehensive test bench structure of a distribution transformer comprises a retention resistance tester 1, a transformation ratio tester 2, a loaded comprehensive tester 3, a supporting plate 4, a high-temperature insulation mounting plate 5, a supporting sliding shaft 6, a power connection frame 7, a platform frame 9, a translation trolley 10 and a supporting upright post 14, wherein the platform frame 9 is of a rectangular frame structure, the translation trolley 10 is arranged in the platform frame 9, the supporting plate 4 is fixed above the platform frame 9 through the supporting upright post 14, a three-phase retention resistance tester 1, the transformation ratio tester 2 and the loaded comprehensive tester 3 are arranged on the supporting plate 4, a high-temperature insulation mounting plate 5 is arranged below the supporting plate 4, the high-temperature insulation mounting plate 5 is fixed on the supporting upright post 14, three conductive copper plates 502 which are arranged up and down are arranged in the middle of the high-temperature insulation mounting plate 5, one end of the high-temperature insulation mounting plate 5 is provided with two rows of contact copper plates, and the other end of the high-temperature insulation mounting plate 5 is provided with one row of contact copper plates which are respectively connected with the retention resistance tester 1, the transformation ratio tester 2 and the loaded comprehensive tester 3; the high-temperature insulating mounting plate 5 is provided with an electric connection frame 7, the electric connection frame 7 is in sliding connection with a support sliding shaft 6 fixed on a support upright 14 through a sliding ring 704, two ends of the electric connection frame 7 are respectively provided with a handle 703 and a row of electric shock copper plates, the handles 703 and the electric shock copper plates at two ends of the electric connection frame 7 are fixed on an insulating support plate 702, and two rows of electric shock copper plates on the electric connection frame 7 are connected through a conductive transverse column 706.
In this embodiment, referring to fig. 1,2 and 3, the platform frame 9 has six legs, two parallel support sliding rods 12 are disposed on the platform frame 9, sliding sleeves 11 are disposed on two sides of the translation trolley 10, and the sliding sleeves 11 on two sides of the translation trolley 10 are respectively sleeved on the two parallel support sliding rods 12 on the platform frame 9.
The pallet 4 is fixed to the platform frame 9 by four support posts 14. Three conductive copper plates 502 arranged up and down in the middle of the high-temperature insulating mounting plate 5 are long. The high-temperature insulating mounting plate 5 is respectively provided with an electric copper connecting bolt connected with the contact copper plate and the conductive copper plate 502. Three rows of contact copper plates on the high temperature insulating mounting plate 5, three in each row. Two rows of electric shock copper plates on the electric connection frame 7 are three.
Six supporting legs at the bottom of the platform frame 9 are symmetrically arranged in a left-right mode, and one supporting slide rod 12 is welded and supported on the inner sides of the left supporting leg and the right supporting leg.
The sliding sleeves 11 are welded and fixed on the outer side end surfaces of the four supporting rods of the translation trolley 10, the four sliding sleeves 11 are arranged in two groups in bilateral symmetry and are respectively sleeved on the two supporting sliding rods 12, the translation trolley 10 can slide back and forth along the two supporting sliding rods 12 in the middle of the platform frame 9, the translation trolley 10 is convenient for pushing the transfer transformer 8 to be placed under the supporting plate 4, and the sliding track of the translation trolley 10 can be limited by the two supporting sliding rods 12 to avoid the deviation of the sliding track of the translation trolley 10 in the rolling process.
The transformer 8 is supported and placed at the top end of the translation trolley 10, and two rows of binding posts are symmetrically supported front and back at the top end of the transformer 8, wherein the front row is an input binding post 801, the back row is an output binding post 802, and each row of binding posts comprises three binding posts which are equidistantly arranged.
Three rectangular grooves are formed in the supporting plate 4 in an equidistant penetrating manner, and three-phase retention resistance testers 1, transformation ratio testers 2 and on-load comprehensive testers 3 are fixedly arranged at the top ends of the three rectangular grooves in sequence in a threaded manner;
referring to fig. 1-6, a rectangular high-temperature insulation mounting plate 5 is supported by a screw thread locking connection between two support columns 14 at the rear end of the supporting plate 4, and the high-temperature insulation mounting plate 5 is supported and positioned at the upper half section of the two support columns 14; three strip-shaped conductive copper plates 502 locked by threads are vertically and equidistantly arranged in the middle of the high-temperature insulating mounting plate 5, an electric copper bolt is supported and welded on the back of each of the three conductive copper plates 502, and the three electric copper bolts penetrate through the high-temperature insulating mounting plate 5 and are electrically connected with an output binding post 802 bolt of the transformer 8 in a locking manner through three cables; three rows of contact copper plates 501 are arranged on the high-temperature insulating mounting plate 5, wherein two rows are positioned at the left side of the three conductive copper plates 502, the rest row is positioned at the right side of the three conductive copper plates 502, and each row of contact copper plates 501 comprises three contact copper plates which are arranged in an up-down equidistant manner; the center of the back of each contact copper plate is also supported and welded with an electric copper bolt, the electric copper bolt penetrates through the high-temperature insulation mounting plate 5, and the contact copper plate 501 is locked and positioned on the high-temperature insulation mounting plate 5 through the electric copper bolt; the three rows of contact copper plates 501 are respectively connected with the retention resistance tester 1, the transformation ratio tester 2 and the on-load comprehensive tester 3 through the electric copper bolts on the back of the three rows of contact copper plates.
The two support posts 14 at the rear end of the supporting plate 4 are welded with support shaft rods 13 at intervals, and the support shaft rods 13 are respectively arranged at the left side and the right side of the high-temperature insulation mounting plate 5; two support slide shafts 6 are arranged up and down, two ends of each support slide shaft 6 are welded with sliding rings, and the two support slide shafts 6 are respectively sleeved and inserted between the left support shaft lever 13 and the right support shaft lever 13 through sliding ring sleeves at the two ends of each support slide shaft 6; the supporting shaft rod 13 is sleeved with a compression spring, the compression spring is compressed and clamped between the sliding ring of the supporting sliding shaft 6 and the circular limiting plate at the top end of the supporting shaft rod 13, and under the tight jacking of the compression spring, the electric shock copper plate 701 can be respectively compressed on the conductive copper plate 502 and the contact copper plate 501, so that the accident that the contact copper plate heats and burns out a testing instrument due to poor contact is avoided.
Referring to fig. 4 and 7, two rows of electric shock copper plates 701 on the power receiving frame 7, three insulating support plates 702 in each row, two handles 703 and two slip rings 704, wherein the two rows of electric shock copper plates 701 are symmetrically arranged left and right, the three electric shock copper plates 701 are respectively welded on one vertical copper rod, the two vertical copper rods are connected up and down, three connecting conductive transverse columns 706 are arranged between the two vertical copper rods, the two insulating support plates 702 which are arranged in parallel are symmetrically connected with the top ends of the two groups of vertical copper rods in a threaded manner, two slip rings 704 are symmetrically welded on the two insulating support plates 702, and the two vertical copper rods, the two insulating support plates 702 which are arranged in parallel, the two rows of electric shock copper plates 701 and the three connecting conductive transverse columns 706 form the whole power receiving frame 7 main body frame; the handles 703 are provided in two in total and symmetrically welded and supported on the top ends of the left and right slip rings 704.
The four slip rings 704 which are correspondingly arranged up and down on the left and right of the power connection frame 7 are inserted on the two support slip shafts 6 which are arranged up and down in parallel, the power connection frame 7 can freely slide left and right along the two support slip shafts 6 which are arranged up and down in parallel, further, the power connection frame 7 can slide to adjust positions and respectively contact with the three rows of the contact copper plates 501 on the high-temperature insulation mounting plate 5, and the conductive copper plates 502 are connected and conducted with any one row of the three rows of the contact copper plates 501, so that the switching and conducting steps of the transformer 8 and the three-phase retention resistance tester 1 are greatly simplified, the transformer 8 is more convenient to test by the transformation ratio tester 2 and the on-load comprehensive tester 3, and the time wasted by workers due to switching and conducting the tester is reduced.
The supporting slide shaft 6 and the insulating supporting plate 702 are made of high-strength plastic flame retardant plates.
The comprehensive test method of the distribution transformer adopts the comprehensive test bench structure of the distribution transformer, and comprises the following steps:
① Placing the transformer 8 on the translation trolley 10;
② Pushing the translation trolley 10 to move the transformer 8 to the position right below the supporting plate 4;
③ A three-phase power supply is connected to a three-phase input binding post 801 of the transformer 8, and a three-phase output binding post 802 of the transformer 8 is connected with an electric copper bolt of the conductive copper plate 502 through three cables;
④ The carrying handle 703 lifts the power receiving frame 7 and slides along the supporting sliding shaft 6, one row of electric shock copper plates on the power receiving frame 7 are pressed on one row of contact copper plates on the high-temperature insulation mounting plate 5, and the other row of electric shock copper plates on the power receiving frame 7 are pressed on three conductive copper plates 502 in the middle of the high-temperature insulation mounting plate 5;
⑤ Switching on a three-phase power supply, and starting to test one of the retention resistance, the transformation ratio and the on-load tap changer of the transformer 8;
⑥ After one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer 8 is tested, the three-phase power supply is disconnected, the carrying handle 703 lifts the power receiving frame 7 and slides along the supporting sliding shaft 6, one row of electric shock copper plates on the power receiving frame 7 are pressed on the second row of contact copper plates on the high-temperature insulation mounting plate 5, the other row of electric shock copper plates on the power receiving frame 7 are pressed on the three conductive copper plates 502 in the middle of the high-temperature insulation mounting plate 5, the three-phase power supply is connected, and the other one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer 8 is tested;
⑦ After two tests of the retention resistor, the transformation ratio and the on-load tap changer of the transformer 8 are completed, the three-phase power supply is disconnected, the carrying handle 703 lifts the power receiving frame 7 and slides along the supporting sliding shaft 6, one row of electric shock copper plates on the power receiving frame 7 are pressed on the third row of contact copper plates on the high-temperature insulation mounting plate 5, the other row of electric shock copper plates on the power receiving frame 7 are pressed on the three conductive copper plates 502 in the middle of the high-temperature insulation mounting plate 15, the three-phase power supply is connected, and the test of the third item of the retention resistor, the transformation ratio and the on-load tap changer of the transformer 8 is started.
Claims (9)
1. The utility model provides a distribution transformer's integrated test platform structure, its characterized in that contains detention resistance tester (1), transformation ratio tester (2), on-load integrated tester (3), layer board (4), high temperature insulation mounting panel (5), support slide (6), connect electric frame (7), platform frame (9), translation dolly (10) and support stand (14), platform frame (9) are rectangular frame structure, translation dolly (10) are established in platform frame (9), layer board (4) are fixed in the top of platform frame (9) through support stand (14), be equipped with three-phase detention resistance tester (1) on layer board (4), transformation ratio tester (2) and on-load integrated tester (3), the below of layer board (4) is equipped with high temperature insulation mounting panel (5), high temperature insulation mounting panel (5) are fixed on support stand (14), the centre of high temperature insulation mounting panel (5) is equipped with three conductive copper (502) of arranging from top to bottom, one end of high temperature insulation copper (5) is equipped with two rows of contact, the other end of high temperature insulation mounting panel (5) is equipped with one row of contact copper (5), high temperature insulation mounting panel (5) is equipped with three on high temperature insulation mounting panel (1) contact resistance tester respectively The transformation ratio tester (2) is connected with the on-load comprehensive tester (3); the high-temperature insulating mounting plate (5) is provided with an electric connection frame (7), the electric connection frame (7) is in sliding connection with a support sliding shaft (6) fixed on a support upright post (14) through a sliding ring (704), two ends of the electric connection frame (7) are respectively provided with a handle (703) and a row of electric shock copper plates, the handles (703) and the electric shock copper plates at two ends of the electric connection frame (7) are fixed on an insulating support plate (702), and two rows of electric shock copper plates on the electric connection frame (7) are connected through a conductive transverse post (706); the electric shock copper plates at two ends of the power receiving frame (7) are matched with the contact copper plates and the conductive copper plates (502) on the high-temperature insulating mounting plate (5).
2. The comprehensive test bench structure of the distribution transformer according to claim 1, wherein the high-temperature insulating mounting plate (5) is respectively provided with a power-receiving copper bolt connected with the contact copper plate and the conductive copper plate (502).
3. The comprehensive test bench structure of the distribution transformer according to claim 2, wherein three conductive copper plates (502) arranged up and down in the middle of the high-temperature insulation mounting plate (5) are strip-shaped.
4. A comprehensive test bench structure of a distribution transformer according to claim 1, characterized in that the pallet (4) is fixed to the platform frame (9) by four support posts (14).
5. The comprehensive test bench structure of the distribution transformer according to claim 4, wherein a high-temperature insulation mounting plate (5) below the supporting plate (4) is fixed between two supporting columns (14), a power connection frame (7) on the high-temperature insulation mounting plate (5) is in sliding connection with a supporting sliding shaft (6) through a slip ring (704), and two ends of the supporting sliding shaft (6) are fixed on the supporting columns (14) through supporting shaft rods (13) respectively.
6. The comprehensive test bench structure of the distribution transformer according to claim 5, characterized in that the supporting shaft lever (13) is provided with a compression spring.
7. The comprehensive test bench structure of the distribution transformer according to claim 1, wherein rectangular grooves matched with a retention resistance tester (1), a transformation ratio tester (2) and a load comprehensive tester (3) are respectively arranged on the supporting plate (4).
8. The comprehensive test bench structure of the distribution transformer according to claim 1, wherein two parallel support slide bars (12) are arranged on the platform frame (9), sliding sleeves (11) are arranged on two sides of the translation trolley (10), and the sliding sleeves (11) on two sides of the translation trolley (10) are respectively sleeved on the two parallel support slide bars (12) on the platform frame (9).
9. A comprehensive test method for a distribution transformer is characterized by comprising the following steps of: a comprehensive test bench structure employing a distribution transformer as defined in claims 1-8, comprising the steps of:
① Placing a transformer (8) on a translation trolley (10);
② Pushing the translation trolley (10) to move the transformer (8) to the position right below the supporting plate (4);
③ Connecting a three-phase power supply to a three-phase input binding post (801) of a transformer (8), and connecting a three-phase output binding post (802) of the transformer (8) with a power connection copper bolt of a conductive copper plate (502) through three cables;
④ Lifting the power receiving frame (7) by the moving handle (703) and sliding along the supporting sliding shaft (6), pressing a row of electric shock copper plates on the power receiving frame (7) on a row of contact copper plates on the high-temperature insulating mounting plate (5), and pressing the other row of electric shock copper plates on the power receiving frame (7) on three conductive copper plates (502) in the middle of the high-temperature insulating mounting plate (5);
⑤ Switching on a three-phase power supply, and starting to test one of the retention resistance, the transformation ratio and the on-load tap changer of the transformer (8);
⑥ After one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer (8) is tested, a three-phase power supply is disconnected, a carrying handle (703) lifts the power receiving frame (7) and slides along the supporting sliding shaft (6), one row of electric shock copper plates on the power receiving frame (7) are pressed on a second row of contact copper plates on the high-temperature insulation mounting plate (5), the other row of electric shock copper plates on the power receiving frame (7) are pressed on three conductive copper plates (502) in the middle of the high-temperature insulation mounting plate (5), and the three-phase power supply is connected to start testing the other one of the detention resistance, the transformation ratio and the on-load tap changer of the transformer (8);
⑦ After two tests of the retention resistor, the transformation ratio and the on-load tap changer of the transformer (8) are completed, the three-phase power supply is disconnected, the moving handle (703) lifts the power receiving frame (7) and slides along the supporting sliding shaft (6), one row of electric shock copper plates on the power receiving frame (7) are pressed on the third row of contact copper plates on the high-temperature insulation mounting plate (5), the other row of electric shock copper plates on the power receiving frame (7) are pressed on the three conductive copper plates (502) in the middle of the high-temperature insulation mounting plate (5), the three-phase power supply is connected, and the test of the third item of the retention resistor, the transformation ratio and the on-load tap changer of the transformer (8) is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876191.6A CN108957194B (en) | 2018-08-03 | 2018-08-03 | Comprehensive test bench structure of distribution transformer and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876191.6A CN108957194B (en) | 2018-08-03 | 2018-08-03 | Comprehensive test bench structure of distribution transformer and test method thereof |
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| CN108957194A CN108957194A (en) | 2018-12-07 |
| CN108957194B true CN108957194B (en) | 2024-04-16 |
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| CN110031704B (en) * | 2019-04-29 | 2021-08-03 | 天长市富安电子有限公司 | Full-automatic comprehensive test line of switching power supply transformer |
| CN112198460B (en) * | 2020-09-16 | 2023-01-31 | 华翔翔能科技股份有限公司 | Transformer factory test combined test stand |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5276402A (en) * | 1992-02-28 | 1994-01-04 | Hipotronics, Inc. | Three-phase transformer testing method and system |
| CN102508087A (en) * | 2011-12-26 | 2012-06-20 | 石家庄供电公司 | Integrated test stand for transformers |
| CN202693702U (en) * | 2012-07-06 | 2013-01-23 | 福建省普华电子科技有限公司 | General-purpose tester of transformer |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| CN104635059A (en) * | 2015-02-12 | 2015-05-20 | 云南师范大学 | Dynamic measuring method and dynamic measuring device for contact resistance of switch contact |
| CN105301298A (en) * | 2015-11-30 | 2016-02-03 | 杭州西湖电子研究所 | Branching clamp used for power transformer automatic detection |
| JP2016091908A (en) * | 2014-11-10 | 2016-05-23 | 株式会社明電舎 | Contact resistance measuring instrument for auxiliary relay |
| CN205301457U (en) * | 2015-11-26 | 2016-06-08 | 广西电网有限责任公司南宁供电局 | On -vehicle electric power testboard of synthesizing of box removal |
| CN205941733U (en) * | 2016-08-03 | 2017-02-08 | 国网天津市电力公司 | Transformer temperature -rise tests's quick switching device |
| CN108333448A (en) * | 2018-01-09 | 2018-07-27 | 国网安徽省电力公司阜阳供电公司 | Transformer routine test comprehensive test device |
| CN208367131U (en) * | 2018-08-03 | 2019-01-11 | 国网冀北电力有限公司唐山供电公司 | A kind of combined test stand structure of distribution transformer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2179296B1 (en) * | 2007-08-16 | 2019-06-26 | Radian Research, Inc. | Instrument transformer test equipment and method |
| AT516005B1 (en) * | 2014-07-02 | 2016-11-15 | Omicron Electronics Gmbh | Method and device for testing a tap changer of a transformer |
-
2018
- 2018-08-03 CN CN201810876191.6A patent/CN108957194B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5276402A (en) * | 1992-02-28 | 1994-01-04 | Hipotronics, Inc. | Three-phase transformer testing method and system |
| CN102508087A (en) * | 2011-12-26 | 2012-06-20 | 石家庄供电公司 | Integrated test stand for transformers |
| CN202693702U (en) * | 2012-07-06 | 2013-01-23 | 福建省普华电子科技有限公司 | General-purpose tester of transformer |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| JP2016091908A (en) * | 2014-11-10 | 2016-05-23 | 株式会社明電舎 | Contact resistance measuring instrument for auxiliary relay |
| CN104635059A (en) * | 2015-02-12 | 2015-05-20 | 云南师范大学 | Dynamic measuring method and dynamic measuring device for contact resistance of switch contact |
| CN205301457U (en) * | 2015-11-26 | 2016-06-08 | 广西电网有限责任公司南宁供电局 | On -vehicle electric power testboard of synthesizing of box removal |
| CN105301298A (en) * | 2015-11-30 | 2016-02-03 | 杭州西湖电子研究所 | Branching clamp used for power transformer automatic detection |
| CN205941733U (en) * | 2016-08-03 | 2017-02-08 | 国网天津市电力公司 | Transformer temperature -rise tests's quick switching device |
| CN108333448A (en) * | 2018-01-09 | 2018-07-27 | 国网安徽省电力公司阜阳供电公司 | Transformer routine test comprehensive test device |
| CN208367131U (en) * | 2018-08-03 | 2019-01-11 | 国网冀北电力有限公司唐山供电公司 | A kind of combined test stand structure of distribution transformer |
Non-Patent Citations (2)
| Title |
|---|
| 1000kV特高压变压器快速试验系统设计;于淼 等;江苏电机工程;20161128;第35卷(第6期);第22-25页 * |
| 变压器综合试验系统的设计与实现;孙秋芹 等;江苏电机工程;20140528;第33卷(第3期);第56-58页 * |
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