CN209167442U - A kind of experimental provision of analogue transformer interlayer coil loop stream loss - Google Patents
A kind of experimental provision of analogue transformer interlayer coil loop stream loss Download PDFInfo
- Publication number
- CN209167442U CN209167442U CN201821992254.6U CN201821992254U CN209167442U CN 209167442 U CN209167442 U CN 209167442U CN 201821992254 U CN201821992254 U CN 201821992254U CN 209167442 U CN209167442 U CN 209167442U
- Authority
- CN
- China
- Prior art keywords
- coil
- insulating cylinder
- coiling
- experimental provision
- loop
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a kind of experimental provisions of analogue transformer interlayer coil loop stream loss, belong to transformer electromagnetic experimental device technical field.Technical solution is: internal layer excitation coil (1) select 8mm*2mm paper covered wire, along interior loop insulating cylinder (3)) slot coiling, centre, which is converged and welded, makees lead-out wire；Outer layer measuring coil (2) selects the enameled wire of diameter 1mm, and along two bursts of slot parallel coilings clockwise of exterior loop insulating cylinder (4), centre, which is converged and welded, makees lead-out wire；Fixation in outer layer measuring coil (2), which is fixed on, around internal layer excitation coil (1) insertion made forms assembly；Assembly, which is placed into, to be insulated on bracket (5)；Connecting terminal (6) is arranged in mounting bracket, and each lead-out wire is connected on connecting terminal.The utility model can be simulated and be measured under different voltages state, and the circulation loss situation and changing rule that the coil of two interlayer difference the number of turns generates provide more accurate technical parameter for design of transformer.
Description
Technical field
The utility model relates to a kind of experimental provisions of analogue transformer interlayer coil loop stream loss, belong to transformer electromagnetism
Experimental provision technical field.
Background technique
The wire turn of transformer winding is coiled into parallel by multiple conducting wires, along between the conductor of radial parallel connection due to each magnetic linkage
Leakage magnetic flux not identical and there is different leakage field potentials, along with the resistance of each parallel conducting wire is not also identical, cause each
Circulating current will be generated between conducting wire, circulating current is flowing through conductor resistance to generate circulation loss.If circulation loss compared with
Greatly, it is possible to make the electric current overrate of transformer, transformer winding is generated heat because of overload, causes transformer relay protecting dynamic
It transmits or trips, or even burn, to influence to keep the safety in production.
Summary of the invention
The utility model aim is to provide a kind of experimental provision of analogue transformer interlayer coil loop stream loss, can simulate
The circulation loss experiment of two interlayer multiple groups coils, provides more accurately under the conditions of different voltages for the design of transformer winding coil
Technical parameter efficiently solves the above problem present in background technique.
The technical solution of the utility model is: a kind of experimental provision of analogue transformer interlayer coil loop stream loss includes
Internal layer excitation coil, interior loop insulating cylinder, exterior loop insulating cylinder, is insulated bracket and connecting terminal, institute at outer layer measuring coil
State internal layer excitation coil select 8mm*2mm(millimeters) paper covered wire, along the slot coiling of interior loop insulating cylinder, centre is converged and is welded
Make lead-out wire；Outer layer measuring coil select diameter 1mm enameled wire, along exterior loop insulating cylinder two strands of slot parallel clockwise about
System, centre, which is converged and welded, makees lead-out wire；It is fixed in outer layer measuring coil around the internal layer excitation coil insertion made and fixes shape
At assembly；Assembly, which is placed into, to be insulated on bracket；Connecting terminal setting is on being insulated bracket, each lead-out wire connection
Onto connecting terminal.
The internal layer excitation coil shape is cylindrical shape, length 590mm, coiling separation 420mm, 52 circle of the number of turns, the number of plies
1 layer, coiling is externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
The outer layer measuring coil shape is cylindrical shape, length 590mm, coiling separation 420mm, 418 circle of the number of turns, the number of plies
2 layers, coiling is externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
The material of the interior loop insulating cylinder and exterior loop insulating cylinder is nylon.
The material for being insulated bracket is acrylic board.
The quantity of the connecting terminal has 7, and material is zinc-iron plastic insulation.
The beneficial effects of the utility model are: can simulate and measure under different voltages state, two interlayer difference the number of turns
The circulation loss situation and changing rule that coil generates, provide more accurate technical parameter for design of transformer.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model inner coil insulating cylinder front view；
Fig. 3 is the utility model inner coil insulating cylinder side view；
Fig. 4 is the utility model outer coil insulating cylinder front view；
Fig. 5 is the utility model outer coil insulating cylinder side view；
Fig. 6 is the utility model insulating support front view；
Fig. 7 is the utility model insulating support side view；
In figure: internal layer excitation coil 1, interior loop insulating cylinder 3, exterior loop insulating cylinder 4, is insulated outer layer measuring coil 2
Bracket 5, connecting terminal 6.
Specific embodiment
Technical solutions of the utility model are described in further detail with embodiment with reference to the accompanying drawing.
A kind of experimental provision of analogue transformer interlayer coil loop stream loss, measures line comprising internal layer excitation coil 1, outer layer
Circle 2, exterior loop insulating cylinder 4, is insulated bracket 5 and connecting terminal 6 at interior loop insulating cylinder 3, and the internal layer excitation coil 1 selects
With the paper covered wire of 8mm*2mm, along the slot coiling of interior loop insulating cylinder 3, centre, which is converged and welded, makees lead-out wire；Outer layer measuring coil
2 select the enameled wire of diameter 1mm, and along two bursts of slot parallel coilings clockwise of exterior loop insulating cylinder 4, centre is converged and welds work and draws
Outlet；Fixation in outer layer measuring coil 2, which is fixed on, around the insertion of internal layer excitation coil 1 made forms assembly；Assembly is placed
Onto insulating mounting bracket 5；On being insulated bracket 5, each lead-out wire is connected on connecting terminal 6 setting of connecting terminal 6.
1 shape of internal layer excitation coil is cylindrical shape, length 590mm, coiling separation 420mm, 52 circle of the number of turns, layer
1 layer of number, coiling is externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
2 shape of outer layer measuring coil is cylindrical shape, length 590mm, coiling separation 420mm, 418 circle of the number of turns, layer
2 layers of number, coiling is externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
The material of the interior loop insulating cylinder 3 and exterior loop insulating cylinder 4 is nylon.
The material for being insulated bracket 5 is acrylic board.
The quantity of the connecting terminal 6 has 7, and material is zinc-iron plastic insulation.
In practical applications:
1. internal layer excitation coil is by the paper-covered copper conductor of 8mm*2mm respectively from two sides coiling, centre, which is converged and welded, is drawn
Line.Shape is cylindrical shape, length 590mm, coiling separation 420mm, the number of turns: 52 circles；The number of plies: it 1 layer, is used after the completion of coiling
The crimped paper half lap of 2.5mm wide wraps up two layers.1 millimeter of diameter of two strands of enameled wire of outer layer measuring coil is simultaneously rich clockwise from two
Side coiling, centre, which is converged and welded, makees lead-out wire.Shape is cylindrical shape, length 590mm, coiling separation 420mm, the number of turns: 418
Circle, the number of plies: 2 layers；The crimped paper half lap of 2.5mm wide is used to wrap up after the completion of coiling two layers.
2. mounting hole is fixed by being inserted into outer layer measuring coil around the internal layer excitation coil made, by outer lead-out wire
It is connected on the connecting terminal being insulated on bracket.
3. the energization of coil is tested:
Internal layer excitation coil is passed through several different grades of AC power sources, first by the short connection of test coil of side, will survey
Examination equipment is connected on the connecting terminal of other side test coil；Record selects the connection type and the number of turns of coil, excitation every time
The voltage in source.
Current loss formula is tested every time:
R=E/I ,R'=R-r,P=I²R'
Wherein magnetic induction electromotive force E is exactly the voltage of excitation coil, and the length of coil is shorter, and every 5 circle coil is surveyed again
Measure conductor resistance.
The circulation loss obtained in this way avoids the error occurred by material parameter, and can easily utilize actual measurement knot
Fruit and simulation result obtain the result closer to true value.
Claims (6)
1. a kind of experimental provision of analogue transformer interlayer coil loop stream loss, it is characterised in that: include internal layer excitation coil
(1), outer layer measuring coil (2), interior loop insulating cylinder (3), exterior loop insulating cylinder (4), insulating mounting bracket (5) and connecting terminal
(6), the internal layer excitation coil (1) selects the paper covered wire of 8mm*2mm, and along the slot coiling of interior loop insulating cylinder (3), centre is converged
And it welds and makees lead-out wire；Outer layer measuring coil (2) select diameter 1mm enameled wire, along exterior loop insulating cylinder (4) two strands of slot simultaneously
Row coiling clockwise, centre, which is converged and welded, makees lead-out wire；Outer layer measurement is fixed on around internal layer excitation coil (1) insertion made
Fixation forms assembly in coil (2)；Assembly, which is placed into, to be insulated on bracket (5)；Connecting terminal (6) setting is pacified in insulation
It fills on bracket (5), each lead-out wire is connected on connecting terminal (6).
2. a kind of experimental provision of analogue transformer interlayer coil loop stream loss according to claim 1, it is characterised in that:
Internal layer excitation coil (1) shape is cylinder-shaped, length 590mm, coiling separation 420mm, 52 circle of the number of turns, and 1 layer of the number of plies,
Coiling is externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
3. a kind of experimental provision of analogue transformer interlayer coil loop stream loss according to claim 1, it is characterised in that:
Outer layer measuring coil (2) shape is cylindrical shape, length 590mm, coiling separation 420mm, 418 circle of the number of turns, the number of plies 2
Layer, coiling are externally provided with the crimped paper half lap package double-layer structure of 2.5mm wide.
4. a kind of experimental provision of analogue transformer interlayer coil loop stream loss according to claim 1, it is characterised in that:
The material of the interior loop insulating cylinder (3) and exterior loop insulating cylinder (4) is nylon.
5. a kind of experimental provision of analogue transformer interlayer coil loop stream loss according to claim 1, it is characterised in that:
The material for being insulated bracket (5) is acrylic board.
6. a kind of experimental provision of analogue transformer interlayer coil loop stream loss according to claim 1, it is characterised in that:
The quantity of the connecting terminal (6) has 7, and material is zinc-iron plastic insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992254.6U CN209167442U (en) | 2018-11-30 | 2018-11-30 | A kind of experimental provision of analogue transformer interlayer coil loop stream loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992254.6U CN209167442U (en) | 2018-11-30 | 2018-11-30 | A kind of experimental provision of analogue transformer interlayer coil loop stream loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167442U true CN209167442U (en) | 2019-07-26 |
Family
ID=67341118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992254.6U Active CN209167442U (en) | 2018-11-30 | 2018-11-30 | A kind of experimental provision of analogue transformer interlayer coil loop stream loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112052569A (en) * | 2020-08-18 | 2020-12-08 | 保定天威集团特变电气有限公司 | Transformer coil circulating current loss calculation method and device |
-
2018
- 2018-11-30 CN CN201821992254.6U patent/CN209167442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112052569A (en) * | 2020-08-18 | 2020-12-08 | 保定天威集团特变电气有限公司 | Transformer coil circulating current loss calculation method and device |
| CN112052569B (en) * | 2020-08-18 | 2024-04-05 | 保定天威集团特变电气有限公司 | Method and device for calculating loop current loss of transformer coil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rossmanith et al. | Measurement and characterization of high frequency losses in nonideal litz wires | |
| Hämäläinen et al. | AC resistance factor of litz-wire windings used in low-voltage high-power generators | |
| CN209167442U (en) | A kind of experimental provision of analogue transformer interlayer coil loop stream loss | |
| CN101303394B (en) | Device and method for testing hydroelectric generating set electricity generator stator core | |
| CN110197764A (en) | A kind of arrangement and means of defence of inside transformer distribution type fiber-optic | |
| JP6123316B2 (en) | AC loss measuring method and AC loss measuring apparatus for superconducting coil | |
| KR102640694B1 (en) | Open current transformer with flexible magnetic core | |
| CN102364639A (en) | Plastic Rogowski coil mutual inductor and measuring method thereof | |
| KR101696606B1 (en) | Coiled jig for measuring leakage inductance of single coil component and method of measuring leakage inductance for the component | |
| CN205229362U (en) | Transformer coil circulating current loss simulation experiment device | |
| JP6971062B2 (en) | Manufacturing method of coil for non-contact power supply device and coil for non-contact power supply device | |
| CN107167717B (en) | Partial discharge signal blocking device | |
| TWI464426B (en) | Line impedabce stabilization network | |
| RU2645900C2 (en) | Measurement of the homogeneous temperature of coil by increasing resistance of the wire | |
| CN210167241U (en) | Flexible coil of mutual inductor | |
| CN104215808B (en) | A kind of current divider for measuring alternating current | |
| CN113823495A (en) | Bi-linear package subassembly and high-voltage self-boost standard current transformer | |
| CN204116587U (en) | The big current synthesis loop of electronic current mutual inductor | |
| CN106501750A (en) | A kind of voltage transformer site error detects secondary wiring device | |
| CN110828127A (en) | High-frequency micro-electric protection mutual inductor | |
| CN213025774U (en) | Flexible coil sensor | |
| US20210285998A1 (en) | Litz wire health monitoring | |
| SU1211816A1 (en) | Voltage divider | |
| CN217360035U (en) | Rogowski coil assembly and Rogowski coil current sensor | |
| CN213635659U (en) | High-voltage honeycomb coil structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |